Each of the following result in ischemia EXCEPT C A. Arterial occlusion B. Venous occlusion C. Cyanosis D. None of these

Each of the following result in ischemia EXCEPT
C
A. Arterial occlusion
B. Venous occlusion
C. Cyanosis
D. None of these
by

1 Answer

Answer :

Cyanosis
by

Related questions

Each of the following can produce edema (increased fluid in the interstitial space) EXCEPT C A. Cardiac failure B. Hepatic failure C. Arterial occlusion D. None of these

Description : Each of the following can produce edema (increased fluid in the interstitial space) EXCEPT C A. Cardiac failure B. Hepatic failure C. Arterial occlusion D. None of these

Last Answer : Arterial occlusion

Which of the following observations regarding ulcer formation on the patient’s lower extremity indicate to the nurse that the ulcer is a result of venous insufficiency? a) The border of the ulcer is irregular. The border of an ulcer caused by arterial insufficiency is circular. b) The ulcer is very painful to the patient, even though superficial. Superficial venous insufficiency ulcers cause minimal pain. c) The ulcer base is pale to black. The base of a venous insufficiency ulcer shows beefy red to yellow fibrinous color. d) The ulcer is deep, involving the joint space. Venous insufficiency ulcers are usually superficial.

Description : Which of the following observations regarding ulcer formation on the patient's lower extremity indicate to the nurse that the ulcer is a result of venous insufficiency? a) The border of the ... d) The ulcer is deep, involving the joint space. Venous insufficiency ulcers are usually superficial.

Last Answer : a) The border of the ulcer is irregular. The border of an ulcer caused by arterial insufficiency is circular.

Which of the following terms refers to a muscular, cramp-like pain in the extremities consistently reproduced with the same degree of exercise and relieved by rest? a) Intermittent claudication Intermittent claudication is a sign of peripheral arterial insufficiency. b) Aneurysm An aneurysm is a localized sac of an artery wall formed at a weak point in the vessel. c) Bruit A bruit is the sound produced by turbulent blood flow through an irregular, tortuous, stenotic, or dilated vessel. d) Ischemia Ischemia is a term used to denote deficient blood supply.

Description : Which of the following terms refers to a muscular, cramp-like pain in the extremities consistently reproduced with the same degree of exercise and relieved by rest? a) Intermittent claudication Intermittent ... or dilated vessel. d) Ischemia Ischemia is a term used to denote deficient blood supply.

Last Answer : a) Intermittent claudication Intermittent claudication is a sign of peripheral arterial insufficiency.

Which of the following terms refers to chest pain brought on by physical or emotional stress and relieved by rest or medication? a) angina pectoris Angina pectoris is a symptom of myocardial ischemia. b) atherosclerosis Atherosclerosis is an abnormal accumulation of lipid deposits and fibrous tissue within arterial walls and lumens. c) atheroma Atheromas are fibrous caps composed of smooth muscle cells that form over lipid deposits within arterial vessels. d) ischemia Ischemia is insufficient tissue oxygenation and may occur in any part of the body.

Description : Which of the following terms refers to chest pain brought on by physical or emotional stress and relieved by rest or medication? a) angina pectoris Angina pectoris is a symptom of myocardial ischemia. ... d) ischemia Ischemia is insufficient tissue oxygenation and may occur in any part of the body.

Last Answer : a) angina pectoris Angina pectoris is a symptom of myocardial ischemia.

Thrombolytic therapy has become a useful adjunct in the management of peripheral arterial occlusion. In this setting, direct intraarterial administration rather than intravenous has been advocated to decrease the risk of systemic bleeding. Which of the following true statement(s) concerning the use of thrombolytic agents for arterial occlusion is/are true? a. A standard technique involves infusing high-dose urokinase, 4000 units per minute for 1–2 hours, directly into the clot by a catheter embedded in the thrombus b. If progress is made, further fibrinolytic therapy is given at 1000 to 2000 units per minute until clot lysis has occurred c. The usual infusion time by the above-stated technique is usually in excess of 24 hours d. Successful clot lysis occurs more frequently in arterial graf

Description : Thrombolytic therapy has become a useful adjunct in the management of peripheral arterial occlusion. In this setting, direct intraarterial administration rather than intravenous has been advocated ... may be indicated for situations where complete clot evacuation cannot be accomplished surgically

Last Answer : Answer: a, b, e The most popular method for intraarterial thrombolytic therapy for arterial occlusion involves passing a guidewire through the thrombus with arteriographic guidance and ... acute arterial occlusion) or when distal vasculative is occluded and precludes appropriate inflow patency

Which of the following statement(s) is/are true concerning oxygen delivery? a. The amount of oxygen delivered to peripheral tissues is dependent upon the oxygen content in arterial blood and cardiac output b. Oxygen content is commonly measured in arterial blood c. The normal arterial-venous difference is 4 cc O2/dL d. Normal systemic oxygen delivery for a typical adult is approximately 1000 cc/min

Description : Which of the following statement(s) is/are true concerning oxygen delivery? a. The amount of oxygen delivered to peripheral tissues is dependent upon the oxygen content in arterial blood and cardiac ... O2/dL d. Normal systemic oxygen delivery for a typical adult is approximately 1000 cc/min

Last Answer : Answer: a, c, d The amount of oxygen that is delivered to peripheral tissues is the product of the oxygen content in arterial blood times the cardiac output. Normally, oxygen content of arterial blood is ... of venous blood is 16 cc/dL. Hence, the normal arterial-venous difference is 4 cc O2/dL

Useful steps to optimize systemic oxygen delivery include: a. Maintaining mean arterial blood pressure between 50 and 90 mm Hg b. Optimizing PEEP levels by monitoring mixed venous saturation c. Turning the patient prone d. Sedation or paralysis

Description : Useful steps to optimize systemic oxygen delivery include: a. Maintaining mean arterial blood pressure between 50 and 90 mm Hg b. Optimizing PEEP levels by monitoring mixed venous saturation c. Turning the patient prone d. Sedation or paralysis

Last Answer : Answer: a, b, c, d Optimizing systemic oxygen delivery in relationship to oxygen requirement is the primary goal of management. Improving oxygenation of the blood itself by ... sedation, and establishing muscular paralysis decrease oxygen consumption, and decrease the need for oxygen delivery

Which of the following statement(s) is/are true concerning O2 venous saturation monitoring? a. The normal saturation of mixed venous blood is 50% b. Mixed venous blood obtained for saturation monitoring can be obtained from any peripheral vein c. If arterial blood is fully saturated, the saturation of mixed venous blood is 80% d. In less than fully saturated blood, the difference between arterial and venous saturation corresponds to oxygen extraction

Description : Which of the following statement(s) is/are true concerning O2 venous saturation monitoring? a. The normal saturation of mixed venous blood is 50% b. Mixed venous blood obtained ... than fully saturated blood, the difference between arterial and venous saturation corresponds to oxygen extraction

Last Answer : Answer: c, d The relationship between oxygen delivery and oxygen consumption is reflected in the amount of oxygen in venous blood. Under normal circumstances, oxygen delivery is 1000 ... and venous saturation corresponds to the oxygen extraction, hence the oxygen delivery/oxygen consumption ratio

Which of the following statement(s) is/are correct concerning the cardiovascular response to shock? a. Changes in cardiac contractile function shift the Frank Starling curve up and down b. Venoconstriction from skeletal muscle is a significant contributor to the restoration of blood volume with shock c. Arterial vasoconstriction affects all vascular beds equally d. The total circulating blood volume is equally split between the arterial and venous system

Description : Which of the following statement(s) is/are correct concerning the cardiovascular response to shock? a. Changes in cardiac contractile function shift the Frank Starling curve up and down b. ... d. The total circulating blood volume is equally split between the arterial and venous system

Last Answer : Answer: a Central in the general cardiovascular response to shock is the action of the heart itself. The principle determinants of cardiac function in the normal heart are the volume of blood ... Blood flow to the skin is sacrificed early, followed by that to the kidneys and splanchnic viscera

There are a number of hypercoaguable states which can be associated with arterial or venous thrombosis and embolic phenomenon. These include: a. Heparin-associated thrombocytopenia b. Antithrombin III deficiency c. Von Willebrand disease d. Vitamin C deficiency

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Last Answer : Answer: a, b A number of hypercoaguable states are present. These include heparin-associated thrombocytopenia in which a heparin-dependent platelet antibody causes aggregation of ... soft tissue increasing vascular permeability and fragility resulting in the potential for bleeding disorders

Concerning the mixture of arterial with venous blood what is the difference between the human fetal circulation and the adult circulation?

Description : Concerning the mixture of arterial with venous blood what is the difference between the human fetal circulation and the adult circulation?

Last Answer : In the human fetal circulation there are two communications between arterial and venous blood characterizing an incomplete circulation. One of them is the oval foramen, an opening between the right and the left ... close a few days after birth and so they are not present in the adult heart.

Does the fish heart pump venous or arterial blood?

Description : Does the fish heart pump venous or arterial blood?

Last Answer : The venous blood coming from the tissues enters the atrium and passes to the ventricle that then pumps the blood towards the gills. After oxygenation in the gills the arterial blood goes to the tissues. So the fish heart pumps venous blood.

Do the arteries that carry blood from the heart to the lungs contain arterial or venous blood? What happens to the blood when it passes through the lungs?

Description : Do the arteries that carry blood from the heart to the lungs contain arterial or venous blood? What happens to the blood when it passes through the lungs?

Last Answer : Arteries of the pulmonary circulation are arteries that carry venous blood and not arterial blood. When the blood passes within the alveolar capillaries of the lungs hematosis (oxygenation) occurs and carbon dioxide is released to the exterior.

What are the blood vessels that carry venous blood to the heart? What is the blood vessel that collects arterial blood from the heart?

Description : What are the blood vessels that carry venous blood to the heart? What is the blood vessel that collects arterial blood from the heart?

Last Answer : The blood vessels that debouch in the heart carrying venous blood are the inferior and the superior vena cava. The blood vessel that carries arterial blood from the heart is the aorta. Breathing Process Review - Image Diversity: vena cava aorta

What is the difference between arterial and venous blood?

Description : What is the difference between arterial and venous blood?

Last Answer : Arterial blood is the oxygen-rich and carbon dioxide-poor blood that irrigates the tissues. Venous blood is the oxygen-poor and carbon dioxide-rich blood collected from the tissues.

Is studies of the human body, what is used to describ a blood-filled sac formed by an outpouching in an arterial or venous wall?

Description : Is studies of the human body, what is used to describ a blood-filled sac formed by an outpouching in an arterial or venous wall?  

Last Answer : ANSWER: ANEURYSM

Which of the following is most likely to result in cyanosis? C A. Anemia B. Polycythemia C. Left to right cardiac shunt D. None of these

Description : Which of the following is most likely to result in cyanosis? C A. Anemia B. Polycythemia C. Left to right cardiac shunt D. None of these

Last Answer : Left to right cardiac shunt

A long-term effect of which of the following procedures post acute MI induces angioneogenesis? a) Transmyocardial laser revascularization TNR procedures usually involves making 20 to 40 channels in ventricular muscle. It is thought that some blood flows into the channels, decreasing the ischemia directly. Within the next few days to months, the channels close as a result of the body’s inflammatory process of healing a wound and new blood vessels form as a result of the inflammatory process.

Description : A long-term effect of which of the following procedures post acute MI induces angioneogenesis? a) Transmyocardial laser revascularization TNR procedures usually involves making 20 to 40 channels in ventricular muscle. ... e.g., clopidigrel [Plavix]) therapy for 2 weeks and lifetime use of aspirin).

Last Answer : a) Transmyocardial laser revascularization TNR procedures usually involves making 20 to 40 channels in ventricular muscle. It is thought that some blood flows into the channels, decreasing the ischemia directly. ... healing a wound and new blood vessels form as a result of the inflammatory process.

Regarding morphine, all are true Except A. Respiratory depression ... effect B. Can be IV subcutaneously, rectally and epidurally C. Can cause nausea and vomiting D. Less effective against pain of myocardial ischemia

Description : Regarding morphine, all are true Except A. Respiratory depression ... effect B. Can be IV subcutaneously, rectally and epidurally C. Can cause nausea and vomiting D. Less effective against pain of myocardial ischemia

Last Answer : Ans: D

Ticlopidine is recommended for the following except: A. To reduce neurological sequelae of stroke B. Transient ischaemic attacks C. To prevent occlusion of coronary artery bypass graft D. Intermittent claudication

Description : Ticlopidine is recommended for the following except: A. To reduce neurological sequelae of stroke B. Transient ischaemic attacks C. To prevent occlusion of coronary artery bypass graft D. Intermittent claudication

Last Answer : A. To reduce neurological sequelae of stroke

Which of the following statement(s) is/are true concerning the pathophysiology of gas exchange? a. Hypoventilation in relation to perfusion can result in an oxygen saturation of less than 100% b. Diffusion block and / mismatch can almost completely be overcome by breathing 100% oxygen c. Transpulmonary shunting does not occur under normal circumstances d. The normal arterial oxygen saturation should be 100%

Description : Which of the following statement(s) is/are true concerning the pathophysiology of gas exchange? a. Hypoventilation in relation to perfusion can result in an oxygen saturation of less than 100% ... does not occur under normal circumstances d. The normal arterial oxygen saturation should be 100%

Last Answer : Answer: a, b Under normal conditions, red blood cells in the pulmonary capillaries become fully saturated and oxygen dissolves in plasma resulting in blood PO2 of 100 and O2 saturation of 100%. This ... the fact that normal arterial PO2 is 90-100 mm Hg and the normal O2 saturation is 98%

Which of the following types of aneurysms results in bleeding into the layers of the arterial wall? a) Dissecting Dissection results from a rupture in the intimal layer, resulting in bleeding between the intimal and medial layers of the arterial wall. b) Saccular Saccular aneurysms collect blood in the weakened outpouching. c) False In a false aneurysm, the mass is actually a pulsating hematoma. d) Anastomotic An anastomotic aneurysm occurs as a result of infection at arterial suture or graft sites.

Description : Which of the following types of aneurysms results in bleeding into the layers of the arterial wall? a) Dissecting Dissection results from a rupture in the intimal layer, resulting in bleeding ... Anastomotic An anastomotic aneurysm occurs as a result of infection at arterial suture or graft sites.

Last Answer : a) Dissecting Dissection results from a rupture in the intimal layer, resulting in bleeding between the intimal and medial layers of the arterial wall.

With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the formation of red blood cell membranes. 3) Chylomicrons are synthesized in the liver. 4) HDL is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Description : With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the ... is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Last Answer : Answers-3 Chylomicrons are formed in the gut from exogenous triacylglycerols and cholesterol. They are released into the lymph and thereby enter the blood.They are not formed in the liver.

With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the formation of red blood cell membranes. 3) Chylomicrons are synthesized in the liver. 4) HDL is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Description : With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the ... is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Last Answer : Answers-3 Chylomicrons are formed in the gut from exogenous triacylglycerols and cholesterol. They are released into the lymph and thereby enter the blood.They are not formed in the liver.

Which of the following terms refers to leg pain that is brought on walking and caused by arterial insufficiency? a) Intermittent claudication Intermittent claudication is leg pain that is brought on by exercise and relieved by rest. b) Dyspnea Dyspnea is the patient’s subjective statement of difficulty breathing. c) Orthopnea Orthopnea is the inability of the patient to breathe except in the upright (sitting) position. d) Thromboangitis obliterans Thomroangitis obliterans is a peripheral vascular disease also known as Burger’s disease.

Description : Which of the following terms refers to leg pain that is brought on walking and caused by arterial insufficiency? a) Intermittent claudication Intermittent claudication is leg pain that is ... obliterans Thomroangitis obliterans is a peripheral vascular disease also known as Burger's disease.

Last Answer : a) Intermittent claudication Intermittent claudication is leg pain that is brought on by exercise and relieved by rest.

Low molecular weight heparins have the following advantages over unfractionated heparin except: A. Higher efficacy in arterial thrombosis B. Less frequent dosing C. Higher and more consistent subcutaneous bioavailability D. Laboratory monitoring of response not required

Description : Low molecular weight heparins have the following advantages over unfractionated heparin except: A. Higher efficacy in arterial thrombosis B. Less frequent dosing C. Higher and more consistent subcutaneous bioavailability D. Laboratory monitoring of response not required

Last Answer : A. Higher efficacy in arterial thrombosis

All of the following are true about neurogenic shock except: A. There is a decrease in systemic vascular resistance and an increase in venous capacitance. B. Tachycardia or bradycardia may be observed, along with hypotension. C. The use of an alpha agonist such as phenylephrine is the mainstay of treatment. D. Severe head injury, spinal cord injury, and high spinal anesthesia may all cause neurogenic shock.

Description : All of the following are true about neurogenic shock except: A. There is a decrease in systemic vascular resistance and an increase in venous capacitance. B. Tachycardia or bradycardia may be ... Severe head injury, spinal cord injury, and high spinal anesthesia may all cause neurogenic shock.

Last Answer : Answer: C DISCUSSION: Neurogenic shock occurs when severe head injury, spinal cord injury, or pharmacologic sympathetic blockade leads to sympathetic denervation and loss of vasomotor tone. ... of treatment. The use of alpha-adrenergic agonist is infrequently necessary to treat neurogenic shock

Wow! Am I having a deja vu or is this the first grand opening of the mansion gates for a wizard wasp with Cyanosis?

Description : Wow! Am I having a deja vu or is this the first grand opening of the mansion gates for a wizard wasp with Cyanosis?

Last Answer : Attaboy!

In cyanosis colouration of body parts appears `:-`

Description : In cyanosis colouration of body parts appears `:-`

Last Answer : In cyanosis colouration of body parts appears `:-` A. Bluish B. Yellowish C. Reddish D. Brownish

Cyanosis caused by mitral insufficiency is typically associated with C A. Pulmonary vein thrombi B. Pulmonary artery emboli C. Pulmonary edema D. None of these

Description : Cyanosis caused by mitral insufficiency is typically associated with C A. Pulmonary vein thrombi B. Pulmonary artery emboli C. Pulmonary edema D. None of these

Last Answer : Pulmonary edema

Pick out the wrong statement. (A) Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty (B) Large excess use of nitrogenous fertiliser in land causes the problem of diarrhoea and cyanosis (C) Application of large excess of Potassic fertiliser in soil increases the valuable carotene in fruits and vegetables (D) Cereal crops grown on alkaline soil absorb higher amount of fluorides thereby spreading fluorosis

Description : Pick out the wrong statement. (A) Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty (B) Large ... vegetables (D) Cereal crops grown on alkaline soil absorb higher amount of fluorides thereby spreading fluorosis

Last Answer : (C) Application of large excess of Potassic fertiliser in soil increases the valuable carotene in fruits and vegetables

The most obvious sign of an individual suffering from carbon monoxide poisoning is: a. Muscular impairment b. Cyanosis of the lips and fingernails c. Sensory loss, particularly tunnelling of vision d. Cherry red lips and flushed cheeks

Description : The most obvious sign of an individual suffering from carbon monoxide poisoning is: a. Muscular impairment b. Cyanosis of the lips and fingernails c. Sensory loss, particularly tunnelling of vision d. Cherry red lips and flushed cheeks

Last Answer : d. Cherry red lips and flushed cheeks

The most obvious sign of an individual suffering from carbon monoxide poisoning is: a. Muscular impairment b. Cyanosis of the lips and fingernails c. Sensory loss, particularly tunnelling of vision d. Cherry red lips and flushed cheeks

Description : The most obvious sign of an individual suffering from carbon monoxide poisoning is: a. Muscular impairment b. Cyanosis of the lips and fingernails c. Sensory loss, particularly tunnelling of vision d. Cherry red lips and flushed cheeks

Last Answer : d. Cherry red lips and flushed cheeks

-yr old sustained trauma to the chest present with severe short of breath with cyanosis, his rt lung is silent with hyperresonance. The FIRST step to treat this pt: a. O2 mask b. Tube thoracostomy c. CXR _______________

Description : -yr old sustained trauma to the chest present with severe short of breath with cyanosis, his rt lung is silent with hyperresonance. The FIRST step to treat this pt: a. O2 mask b. Tube thoracostomy c. CXR _______________

Last Answer : a. O2 mask

In a comatose patient suspected of poisoning, which of the following findings would be against the drug being morphine: A. Mydriasis B. Marked respiratory depression C. Cyanosis D. Fall in blood pressure

Description : In a comatose patient suspected of poisoning, which of the following findings would be against the drug being morphine: A. Mydriasis B. Marked respiratory depression C. Cyanosis D. Fall in blood pressure

Last Answer : A. Mydriasis

Intestinal ischemia and infarction?

Description : Intestinal ischemia and infarction?

Last Answer : DefinitionIntestinal ischemia and infarction is damage to (ischemia) or death of (infarction) part of the intestine due to a decrease in its blood supply.Alternative NamesIntestinal necrosis; ... supplying the intestine. Patients with previous heart attacks or with arrhythmias, such as atrial

Hepatic ischemia?

Description : Hepatic ischemia?

Last Answer : DefinitionHepatic ischemia is a condition in which the liver does not get enough blood or oxygen, causing injury to liver cells.Alternative NamesIschemic hepatitis; Shock liverCauses, incidence, and ... the liver cells usually does not cause symptoms.Signs and testsBlood levels of liver enzymes,

Serum a lka l ine phosphatase leve l increases in (A) Hypothyroidism (B) Carcinoma of prostate (C) Hyperparathyroidism (D) Myocardial ischemia

Description : Serum a lka l ine phosphatase leve l increases in (A) Hypothyroidism (B) Carcinoma of prostate (C) Hyperparathyroidism (D) Myocardial ischemia

Last Answer : Answer : C

In early stages of myocardial ischemia the most sensitive indicator is the measurement of the activity of (A) CPK (B) SGPT (C) SGOT (D) LDH

Description : In early stages of myocardial ischemia the most sensitive indicator is the measurement of the activity of (A) CPK (B) SGPT (C) SGOT (D) LDH

Last Answer : Answer : A

Which of the following statement(s) is/are true concerning ischemia reperfusion injury? a. During ischemia, ATP degradation results in increased plasma and intracellular levels of hypoxanthine and xanthene b. Oxygen free radicals such as the superoxide radical are involved in the expression of the proinflammatory phenotype of endothelial cells, macrophages and neutrophils c. The intracellular adhesion molecule-1 (ICAN-1) contributes to injury and disruption of the endothelial lining, with extensive capillary leak and resultant interstitial edema d. Animal models have demonstrated that passive immunization with antibodies to neutrophil adhesive complex lessen the ischemic/reperfusion microvascular injury

Description : Which of the following statement(s) is/are true concerning ischemia reperfusion injury? a. During ischemia, ATP degradation results in increased plasma and intracellular levels of ... immunization with antibodies to neutrophil adhesive complex lessen the ischemic/reperfusion microvascular injury

Last Answer : Answer: a, b, c, d During the ischemia and hypoperfusion phase, degradation of ATP stores essential to maintain cell integrity and significant loss of diffusible ... either the neutrophil adhesive complex or the endothelial selectins dramatically lessens ischemia/reperfusion microvascular injury

A 68-year-old male who underwent a repair of an abdominal aortic aneurysm 5 days ago, develops tachycardia, tachypnea, hypotension with cool, pale, mottled cyanotic extremities. He is agitated and complains of shortness of breath. Which of the following statement(s) is/ are correct concerning his diagnosis and management? a. Myocardial ischemia secondary to preexisting coronary artery disease is most likely the underlying cause of this problem b. Invasive hemodynamic monitoring with a Swan-Gantz catheter will demonstrate a low cardiac output, a high systemic vascular resistance, and elevated cardiac filling pressures c. The use of morphine sulphate and nitrates should be part of the initial management d. The primary pharmacologic treatment involves the use of moderate doses of inotropic ag

Description : A 68-year-old male who underwent a repair of an abdominal aortic aneurysm 5 days ago, develops tachycardia, tachypnea, hypotension with cool, pale, mottled cyanotic extremities. He ... use of moderate doses of inotropic agents e. Afterload reduction with nitroprusside is absolutely contraindicated

Last Answer : Answer: a, b, d Intrinsic cardiogenic shock results from failure of the heart as an effective pump. Coronary artery disease is the most common cause of myocardial ... hemodynamic monitoring. Infusion of afterload-reducing agents can be administered in conjunction with inotropic support

Which of the following is/are acceptable reasons for the transfusion of red blood cells based on currently available data? A. Rapid, acute blood loss with unstable vital signs but no available hematocrit or hemoglobin determination. B. Symptomatic anemia: orthostatic hypotension, severe tachycardia (greater than 120 beats per minute), evidence of myocardial ischemia, including angina. C. To increase wound healing. D. A hematocrit of 26% in an otherwise stable, asymptomatic patient.

Description : Which of the following is/are acceptable reasons for the transfusion of red blood cells based on currently available data? A. Rapid, acute blood loss with unstable vital signs but no available ... increase wound healing. D. A hematocrit of 26% in an otherwise stable, asymptomatic patient.

Last Answer : Answer: AB DISCUSSION: Currently accepted guidelines for the transfusion of packed red blood cells include acute ongoing blood loss, as might occur in an injured patient, and the development of ... not be given based solely or predominantly on a numerical value such as a hematocrit of 28%

Which of the following statements are true of oxidants? A. In addition to their pathophysiologic roles in inflammation, injury, and infection, oxidants also have physiologic roles. B. Oxidants may be generated from activated neutrophils and during reperfusion following a period of ischemia. C. The deleterious effects of oxidants include lipid peroxidation and cell membrane damage, oxidative damage to DNA, and inhibition of adenosine triphosphate (ATP) synthesis. D. The mechanism of ischemia-reperfusion injury involved the catalytic production of superoxide anion (O 2•) by the enzyme xanthine oxidase.

Description : Which of the following statements are true of oxidants? A. In addition to their pathophysiologic roles in inflammation, injury, and infection, oxidants also have physiologic roles. B. Oxidants may ... involved the catalytic production of superoxide anion (O 2 ) by the enzyme xanthine oxidase.

Last Answer : Answer: ABCD DISCUSSION: Oxidants are reactive oxygen metabolites that have both physiologic and pathophysiologic roles. As potent oxidizing agents, oxidants are involved in cytochrome P ... leukocyte infiltration and activation, causing further tissue damage by the release of cytotoxic proteases

Insufficient blood supply in human body is referred as – (1) Ischemia (2) Hyperemia (3) Hemostasia (4) Hemorrhage

Description : Insufficient blood supply in human body is referred as – (1) Ischemia (2) Hyperemia (3) Hemostasia (4) Hemorrhage

Last Answer : (1) Ischemia Explanation: In medicine, ischemia denotes a restriction or thinning or to make or grow thin/lean, haema blood) is a restriction in blood supply to tissues, causing a ... given part of a body sometimes resulting from congestion (such as vasoconstriction, thrombosis or embolism).

Which of the following terms refers to a deficienc of blood flow into a part of the body? Is it: a) intrafusal b) ischemia c) infarct d) none of these

Description : Which of the following terms refers to a deficienc of blood flow into a part of the body? Is it: a) intrafusal b) ischemia c) infarct d) none of these

Last Answer : ANSWER: B -- ISCHEMIA

Insufficient blood supply in human body is referred as (1) Ischemia (2) Hyperemia (3) Hemostasia (4) Hemorrhage

Description : Insufficient blood supply in human body is referred as (1) Ischemia (2) Hyperemia (3) Hemostasia (4) Hemorrhage

Last Answer : Ischemia

Centric occlusion description?

Description : Centric occlusion description?

Last Answer : A search on the internet brought me this description: central occlusion (centric occlusion) occlusion of the teeth when the mandible is in centric relation to the maxilla, with full occlusal surface ... centric+occlusion Read the other 2 definitions to understand the differences. That's what I did.

What do you mean by spatial and temporal occlusion?

Description : What do you mean by spatial and temporal occlusion?

Last Answer : Need answer

Retinal artery occlusion?

Description : Retinal artery occlusion?

Last Answer : DefinitionRetinal artery occlusion is a blockage of the blood supply in the arteries to the retina -- the light-sensitive tissue in the back of the eye.Alternative NamesCentral retinal artery occlusion; ... of the two large blood vessels in the neck (carotid artery disease)Disorder of high