Assertion` :` Cardiac output is the volume of blood pumped out by each ventricle per minute. Reason `:` Ther cardiac output of an athlete will be much

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Assertion` :` Cardiac output is the volume of blood pumped out by each ventricle per minute. Reason `: ... . D. If both Assertion & Reason are false.

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Description : Which of the following terms indicates the amount of blood pumped out of the ventricle with each contraction of the heart? a) Stroke volume Stroke volume is the amount of blood pumped out ( ... d) Preload Preload is the pressure created by a volume of blood within a ventricle before contraction.

Last Answer : a) Stroke volume Stroke volume is the amount of blood pumped out (ejected) with each contraction of the heart (heart beat). Stroke volume times heart rate equals cardiac output.

Description : What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL ? (a) 125 beats per minute (b) 50 beats per minute (c) 75 beats per minute (d) 100 beats per minute

Last Answer : (d) 100 beats per minute

Description : When right ventricle of human heart contract then blood pumped into `:-`

Last Answer : When right ventricle of human heart contract then blood pumped into `:-` A. All parts of body B. Lungs C. Pulmonary veins D. Systemic aorta

Description : While giving CPR which of the following is considered: a. It achieves 30% of cardiac output with 60 compressions per minute. b. It achieves normal blood oxygen levels with 12 reseparations ... starting compression. d. Cardiac output has to be monitored regularly by checking radial pulse.

Last Answer : c. You have to check compression point by thumbing before starting compression.

Description : While giving CPR which of the following is correct: A. It achieves 30% of cardiac output with 60 compressions per minute B. It achieves normal blood oxygen levels with 12 ... thumping before starting compression D. Cardiac output has to be monitored regularly by checking radial pulse.

Last Answer : C. You have to check compression point by thumping before starting compression

Description : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open spaces or body cavities called sinuses. Reason

Last Answer : Assertion` :` In open circulatory system blood is pumped by heart passes throgh large vessels into open ... D. If both Assertion & Reason are false.

Description : Assertion `:` The opening between the right atrium and the right ventricle is guarded by a bicuspid or mitral valve. Reason `:` The valves in the hear

Last Answer : Assertion `:` The opening between the right atrium and the right ventricle is guarded by a bicuspid or ... . D. If both Assertion & Reason are false.

Description : Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an atrium and a ventricle.

Last Answer : Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an ... . D. If both Assertion & Reason are false.

Description : When the nurse notes that the post cardiac surgery patient demonstrates low urine output (< 25 ml/hr) with high specific gravity (> 1.025), the nurse suspects: a) Inadequate fluid volume Urine ... by high urine output with low specific gravity. d) Anuria The anuric patient does not produce urine.

Last Answer : a) Inadequate fluid volume Urine output of less than 25 ml/hr may indicate a decrease in cardiac output. A high specific gravity indicates increased concentration of solutes in the urine which occurs with inadequate fluid volume.

Description : The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is

Last Answer : The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is

Description : The action of quinidine differs from that of digitalis in (a) Decreasing irritability of cardiac muscle (b) Preventing passage of impulses to the ventricle (c) Increasing irritability of heart muscle (d) Reducing conductivity (e) None of the above

Last Answer : Ans: A

Description : Which of the following statement(s) is/are true concerning the relationship between cardiac function and effective blood volume? a. A pulmonary capillary wedge pressure of 5-10 rules out ... sole purpose of a pulmonary artery catheter is to measure pulmonary artery pressure and cardiac output

Last Answer : Answer: b, c Although physical findings are often adequate to establish a diagnosis and institute management of cardiac failure, direct measurement of filling pressures of the right heart ( ... blood volume is normal, filling pressures are normal, and total body extracellular fluid is excessive

Description : All of the following statements about hemorrhagic shock are true except: A. Following hemorrhagic shock, there is an initial interstitial fluid volume contraction. B. Dopamine, or a similar inotropic ... shock, a narrowed pulse pressure is commonly seen before a fall in systolic blood pressure.

Last Answer : Answer: BC DISCUSSION: Hemorrhagic shock is associated with a contraction of the interstitial fluid compartment because of precapillary vasoconstriction and reabsorption of interstitial fluid ... definitive evidence that such solutions are better than standard crystalloid solutions is lacking

Description : The major common determinant of myocardial oxygen consumption is (a) Blood volume (b) Cardiac output (c) Diastolic blood pressure (d) Heart rate (e) Myocardial fiber tension

Last Answer : Ans: E

Description : Which of the following vasoactive drugs used in treating shock results in reduced preload and afterload, reducing oxygen demand of the heart? a) Nitroprusside (Nipride) A disadvantage ... increases cardiac output. d) Methoxamine (Vasoxyl) Methoxamine increases blood pressure by vasoconstriction.

Last Answer : a) Nitroprusside (Nipride) A disadvantage of nitroprusside is that it causes hypotension.

Description : Which of the following does not physiologically increase in pregnancy Options: 1) Stroke Volume 2) Cardiac output 3) Intravascular Volume 4) Blood Pressure

Last Answer : Correct Answer: 4) Blood Pressure

Description : The most likely mechanism of antihypertensive action of thiazide diuretics in the long-term is: A. Reduction of circulating blood volume B. Reduction in cardiac output C. Decreased sympathetic tone D. Reduction in total peripheral vascular resistance and improved compliance of resistance vessels

Last Answer : D. Reduction in total peripheral vascular resistance and improved compliance of resistance vessels

Description : How many beats per minute does the heart have to beat in order for it to be considered cardiac arrhythmia?

Last Answer : If your heart beat is below 50 and above 100 you may have arrhythmia. To make sure you don't it would be wise to visit a doctor to determine if you actually do or don't.

Description : Which of the following statements about septic shock are true? A. A circulating myocardial depressant factor may account for the cardiac dysfunction sometimes seen with shock due to sepsis or ... animal studies that demonstrate a significant improvement in survival with the use of such agents.

Last Answer : Answer: AB DISCUSSION: Shock due to sepsis or SIRS frequently manifests as a hyperdynamic cardiovascular response, consisting of an elevated CI and a decreased SVR or SVRI. Occasionally, ... been encouraging thus far in human clinical trials, despite the promising results from many animal studies

Description : Which of the following statements about continuous cardiac output monitoring are true? A. Continuous cardiac output monitoring may unmask events not detected by intermittent cardiac output measurements. ... stroke volume by detecting changes in resistance to a small, applied alternating current.

Last Answer : Answer: AD DISCUSSION: Various techniques are available to measure cardiac output continuously. The advantages of continuous cardiac output monitoring, as compared with intermittent methods, are (1) ... function of the stroke volume, which then can be used to calculate the cardiac output

Description : Urea clearance is the (A) Amount of urea excreted per minute (B) Amount of urea present in 100 ml of urine (C) Volume of blood cleared of urea in one minute (D) Amount of urea filtered by glomeruli in one minute

Last Answer : Answer : A

Description : Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `:-` ANF acts as a vasodilator and inhibits the release

Last Answer : Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `: ... False. D. If both Assertion & Reason are false.

Description : How might the lung volume of an athlete singer or wind instrument musician be different from someone who does not participate in any of these activities?

Last Answer : Need answer

Description : Tidal volume and expiratory reserve volume of an athlete is 500 mL and 1000 mL respectively. What will be his expiratory capacity if the residual volume is 1200 mL? (a) 2700 mL (b) 1500 mL (c) 1700 mL (d) 2200 mL

Last Answer : b) 1500 mL

Description : At what rate should chest cardiac compression be done in an adult:** A. 12 times a minute B. 24 times a minute C. 50 times a minute D. 80 times a minute

Last Answer : D. 80 times a minute

Description : ECE Board Exam March 1996 What is the transmission rate of a system for transmitting the output of a microcomputer to a line printer operating at a speed of 30 lines/minute? Assume that the line printer has 8 bits ... and prints out 80 characters/line. A. 800 bps B. 400 bps C. 320 bps D. 640 bps

Last Answer : C. 320 bps

Description : Cardiac output is blood

Last Answer : Cardiac output is blood A. Received by heart per minute B. Pumped by ventricles per sec C. Pumped ... per minute D. Pumped by left ventricle per hour

Description : Cardiac output is blood

Last Answer : Cardiac output is blood A. Received by heart per minute B. Pumped by ventricle per sec C. Pumpled ... per minute D. Pumped by left ventricle per hour

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

Description : The cerebral blood flow: a. is increased by hypercapnia b. is increased by hypoxia c. accounts for 15% of the total cardiac output d. all above

Last Answer : all above

Description : In human being, haemorrhage causes a. venous constriction b. decreased blood flow to the skin c. a fall in cardiac output d. all above

Last Answer : all above

Description : In human being, haemorrhage causes a. venous constriction b. decreased blood flow to the skin c. a fall in cardiac output d. splenic contraction

Last Answer : splenic contraction

Description : Select the anaesthetic that increases cardiac output and blood pressure: A. Halothane B. Fentanyl C. Ketamine D. Diazepam

Last Answer : C. Ketamine

Description : All of the following contribute to the antihypertensive action of propranolol except: A. Direct vasodilatation B. Decreased renin release from kidney C. Adaptation of blood vessels to reduced cardiac output D. Less noradrenaline release from sympathetic nerve endings

Last Answer : A. Direct vasodilatation

Description :  Which of the following is seen at low (analgesic) doses of aspirin: A. Respiratory stimulation B. Increased occult blood loss in stools C. Increased cardiac output D. Hyperglycaemia

Last Answer : B. Increased occult blood loss in stools

Description : All of the following contribute to the antihypertensive action of propranolol except: A. Direct vasodilatation B. Decreased renin release from kidney C. Adaptation of blood vessels to reduced cardiac output D. Less noradrenaline release from sympathetic nerve endings

Last Answer : A. Direct vasodilatation

Description : Which of the following manifestations is often the earliest sign of malignant hyperthermia? a) Tachycardia (heart rate above 150 beats per minute) Tachycardia is often the earliest sign of malignant ... develops rapidly. d) Oliguria Scant urinary output is a later sign of malignant hyperthermia.

Last Answer : a) Tachycardia (heart rate above 150 beats per minute) Tachycardia is often the earliest sign of malignant hyperthermia.

Description : Regarding the kidneys: a. there are 1.3 millions nephrons in each kidney b. they produce the aldosterone c. they receive 12% of the cardiac output when at rest d. they produce 1.25-dihydroxycalciferol

Last Answer : they produce 1.25-dihydroxycalciferol

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

Description : Intravenous furosemide promptly mitigates dyspnoea in acute left ventricular failure by: A. Producing bronchodilatation B. Causing rapid diuresis and reducing circulating blood volume C. Increasing venous capacitance and reducing cardiac preload. D. Stimulating left ventricular contractility

Last Answer : C. Increasing venous capacitance and reducing cardiac preload.

Description : hen displacement volume is divided by piston displacement, what will we obtained (a) number of cylinders (b) number of power stroke per minute for all cylinders (c) number of revolution of the crankshaft (engine) (d) number of revolution of crankshaft × number of cylinder

Last Answer : (b) number of power stroke per minute for all cylinders

Description : Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the first insecticide used on a wide scale.

Last Answer : Assertion : Agriculture output increased several times after introduction of DDT. Reason : DDT was the ... but reason is wrong D. Both are wrong

Description : Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing. Reason R: If the angle of swing is decreased, the cycle time will be decreased. Select the ... explanation of A (C) A is true but R is false (D) A is false but R is true

Last Answer : (A) Both A and R is true and R is the correct explanation of A

Description : The wall of the left ventricle is much thicker than that of right ventricle because (a) it accommodates more blood (b) it receives oxygenated blood with tremendous force from various parts of the ... body (d) it is engineered to carry blood with a high quantum of oxygen and nutrients Questions

Last Answer : Ans:(c)

Description : Which of the following statements are true of a patient with hyperglycemia and hyponatremia? A. The sodium concentration must be corrected by 5 mEq. per 100 mg. per 100 ml. elevation in blood ... . E. Early in treatment adequate urine output is a reliable measure of adequate volume resuscitation.

Last Answer : Answer: D DISCUSSION: Each 100-mg. per 100 ml. elevation in blood glucose causes a fall in serum sodium concentration of approximately 2 mEq. per liter. Excess serum glucose ... correction of the patient's associated acidosis produce movement of potassium ions into the intracellular compartment

Description : What is the name of system responsible for transporting and delivering materials needed by the body's organs such as oxygen nutrients and hormones through the blood as it is pumped around the body by?

Last Answer : What is the answer ?