Description : Which one of the following pairs is incorrectly matched as to antibiotic and use? a. Penicillin-gram-positive bacteria b. Nystatin-fungi c. Tetracycline-viruses d. Griseofulvin-fungi
Last Answer : c. Tetracycline-viruses
Description : The antibiotic penicillin is obtained from which of the following? (1) synthetic process (2) a bacterium (3) fungus (4) virus infected cells
Last Answer : (3) fungus Explanation: Penicillins are a group of antibiotics used to treat a large range of bacterial infections. They are derived from Penicillium fungi and can be taken orally or via injection. Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming.
Description : The antibiotic penicillin is obtained from which of the following ? (1) synthetic process (2) a bacterium (3) fungus (4) virus infected cells
Last Answer : fungus
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
Description : Is penicillin still administered as a antibiotic?
Last Answer : Of course.
Description : What was the antibiotic commonly used before the discovery of penicillin?
Last Answer : Alcohol,and before that,honey.
Description : By whom was the antibiotic penicillin first discovered? -Do You Know?
Last Answer : answer:
Description : Spectinomycin is an aminoglycoside-like antibiotic indicated for the treatment of (a) Gram-negative bacillary septicemia (b) Tuberculosis (c) Penicillin-resistant gonococcal infections (d) Syphilis (e) Gram-negative meningitis due to susceptible organisms
Last Answer : Ans: C
Description : A patient needs antibiotic treatment for native valve, culture-positive infective enterococcal endocarditis. His medical history includes a severe anaphylactic reaction to penicillin G during the past year. ... /clavulanate (b) Aztreonam (c) Cefazolin plus genatamicin (d) Meropenem (e) Vancomycin
Last Answer : Ans: E
Description : Penicillin is widely used as – (1) an antiseptic (2) a disinfectant (3) an antibiotic (4) an insecticide
Last Answer : (3) an antibiotic Explanation: Penicillin V is an antibiotic in the penicillin group of drugs. It fights bacteria in your body.
Description : Which of the following is not an antibiotic? (A) Penicillin (B) Streptomycin (C) Tetracycline (D) Quinine
Last Answer : (D) Quinine
Description : Penicillin, an antibiotic drug was discovered by (A) Alexander (B) Flaming (C) Doctor Zhivago (D) None of these
Last Answer : (A) Alexander
Description : A patient presents with rheumatic fever and suspected allergy to penicillin. The antibiotic of choice is: A. Chloromycetin B. Sulphonamide C. Buffered penicillin D. Erythromycin could be better if is clindamycin E. Achromycin
Last Answer : D. Erythromycin could be better if is clindamycin
Description : Which antibiotic administered in childhood may result in tooth discolouration: A. Penicillin B. Tetracycline C. Streptomycin
Last Answer : B. Tetracycline
Description : The following is true of vancomycin except: A. It is a bactericidal antibiotic active primarily against gram positive bacteria B. It acts by inhibiting bacterial protein synthesis C. It is an alternative to penicillin for enterococcal endocarditis D. It can cause deafness as a dose related toxicity
Last Answer : B. It acts by inhibiting bacterial protein synthesis
Description : Select the antibiotic which is equally effective whether injected 8 hourly or 24 hourly, provided the total daily dose remains the same: A. Gentamicin B. Sod. penicillin G C. Cefazolin D. Vancomycin
Last Answer : A. Gentamicin
Description : The following statements are true about imipenem except: A. It is a β-lactam antibiotic, but neither a penicillin nor a cephalosporin B. It is rapidly degraded in the kidney C. It is safe in epileptics D. It is always given in combination with cilastatin
Last Answer : C. It is safe in epileptics
Description : The following antibiotic accentuates the nuromuscular blockade produced by pancuronium: A. Streptomycin B. Erythromycin C. Penicillin G D. Chloramphenicol
Last Answer : A. Streptomycin
Description : Penicillin is isolated from : (1) Fungi (2) Algae (3) Virus (4) Bacteria
Last Answer : Fungi
Description : What is the Study of pulse and arterial blood pressure called? -General Knowledge
Last Answer : The answer is 'Sphygmology'
Description : Assertion `:` Generally old people have hiher blood pressure. Reason `:` Arterial diameter increases with Age.
Last Answer : Assertion `:` Generally old people have hiher blood pressure. Reason `:` Arterial diameter increases with ... D. If both Assertion & Reason are false.
Description : Which pituitary hormone is responsible for enhancing the arterial blood pressure by causing the narrowing of arterioles ?
Last Answer : Which pituitary hormone is responsible for enhancing the arterial blood pressure by causing the narrowing of ... ACTH B. Somatotropin C. ADH D. LTH
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
Description : Determinants of cerebral blood flow include: A. Preoperative neurologic dysfunction. B. Arterial CO 2 tension. C. Arterial O 2 tension. D. Systemic arterial pressure. E. All of the above.
Last Answer : Answer: BCD DISCUSSION: Determinants of cerebral blood flow include arterial CO 2 and O 2 tensions, systemic arterial pressure, and temperature. Other factors that may affect cerebral ... and intracranial pressure are head position, jugular venous obstruction, and positive end-expiratory pressure
Description : In the autonomic regulation of blood pressure (a) Cardiac output is maintained constant at the expense of other hemodynamic variables (b) Elevation of blood pressure results in elevated ... the sensitivity of the sensory baroreceptor nerve endings might cause an increase in sympathetic discharge
Last Answer : Ans: D
Description : Relationship between arterial blood pressure (BP), cardiac outpur (CO) and peripheral vascular resistance (PVR) can be described as (a) BP = COxPVR (b) BP = CO/PVR (c) BP = PVR/CO (d) None of the above
Last Answer : Ans: A
Description : The mean arterial pressure of a blood pressure of 160 80 is A. 90 mmHg B. 100 mmHg C. 110 mmHg D. 120 mmHg
Description : The hypothalamus contains cells which are sensitive to: a. PO2 b. arterial blood pressure c. [H+] d. TSH (thyroid-stimulating hormone) concentration
Last Answer : TSH (thyroid-stimulating hormone) concentration
Description : Which stage of shock is best described as that stage when the mechanisms that regulate blood pressure fail to sustain a systolic pressure above 90 mm Hg? a) Progressive In the progressive stage of ... which organ damage is so severe that the patient does not respond to treatment and cannot survive.
Last Answer : a) Progressive In the progressive stage of shock, the mechanisms that regulate blood pressure can no longer compensate, and the mean arterial pressure falls below normal limits.
Description : What is the Study of pulse and arterial blood pressure called?
Last Answer : Sphmology
Description : At the end of the ventricular contraction, the maximum arterial pressure is attained, and blood flow is most rapid. This is correctly termed the: a) arterial maximum b) gluteus maximum c) diastolic pressure d) systolic pressure
Last Answer : ANSWER: D -- SYSTOLIC PRESSURE
Description : Though penicillin G kills the causative organism, it is only of adjuvant value to other measures in: A. Diphtheria B. Subacute bacterial endocarditis C. Syphilis D. Anthrax
Last Answer : A. Diphtheria
Description : The term antibiotic was coined by _________to refer to antimicrobial substances naturally derived from _______. a. Waksman; bacteria and fungi b. Domagk; other living organisms c. Fleming; fungi and bacteria d. Ehrlich; bacteria
Last Answer : c. Fleming; fungi and bacteria
Description : Which is the instrument that measures air pressure? -Do You Know?
Description : Which is the instrument that measures air pressure?
Last Answer : Barometer
Description : A patient treated with capsule oxytetracycline 500 mg 6 hourly complained of epigastric pain. Which of the following measures will you recommend to counteract the side effect: A. Take the capsules ... capsules D. None of the above measures is suitable. Change the antibiotic if pain is distressing
Last Answer : D. None of the above measures is suitable. Change the antibiotic if pain is distressing
Description : Which of the following statement(s) is/are true concerning CO2 transfer in the lung? a. Carbon dioxide excretion is a direct function of alveolar ventilation b. Normally end tidal ... d. Positive pressure ventilation under normal airway pressures creates a significant end tidal PaCO2 gradient
Last Answer : Answer: a, b, c The amount of carbon dioxide excretion is directly related to alveolar ventilation. While oxygenation is a function of matching blood flow to alveoli, carbon dioxide excretion is ... high (over 30 cm H2O) and the compression volume is a significant component of each exhaled breath
Description : Draw a diagram of the front view of human heart and label any six parts including at least two, that are concerned with arterial blood supply to the heart muscles. -Biology
Last Answer : This is the Answer.
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 : 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 : Rank the following laboratory tests and procedures in terms of their relative value to a 65-year-old woman who is to undergo elective resection of a sigmoid cancer. A. Carcinoembryonic antigen (CEA). B. ... Arterial blood oxygen tension (PaO 2) on room air. G. Serum sodium concentration (Na+).
Last Answer : Answer: CDFEBAG DISCUSSION: The most important test by far is the electrocardiogram, with its capacity to indicate signs of occult heart disease. The second most important evaluation is the hemoglobin ... for resection of the colon is always normal and would be of least value among these tests
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.
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.
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.
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.
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
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.