Firstranker's choice
Q.1 41% of the hemoglobin is in red blood cells
a) Diastolic pressure plus one third of systolic pressure.
b) pulse pressure
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c) Diastolic pressure plus one third of pulse pressure
d) Systolic pressure plus one third of diasfolic pressure
Q.2 Which one of the substance is a naturally occurring anticoagulant in the circulating blood:
a) Albumin
b) Heparin
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c) PAH
d) Insulin
Q.3 Which of the following proteins involved in clotting is not Vit K dependent:
a) Factor II
b) Factor IX
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c) Factor V
d) Factor VII
Q.4. Which of the following statements is not correct:
a) A large share of the antibodies formed during the primary response are of IgM type
b) IgE is specially involved in allergy
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c) Suppressor T cells are capable of suppressing the function of both cytotoxic & helper T cell
d) IgG antibodies have 10 binding sites
Q.5 Renal plasma flow can be measured by performing:
a) PAH clearance
b) Inulin clearance
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c) Urea clearance
d) Creatinine clearance
Q.6 Movement of which muscle accounts for 75% of change in intrathorasic volume during quiet inspiration:
a) Diaphragm
b) Internal intercostals
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c) External intercostals
d) Anterior abdominal wall muscles
Q.9 Which of the following statements is not correct:
a) Heparin is a naturally occurring anticoagulant
b) Highly basic protein, protamine is used clinically to neutralize heparin
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c) Coumarin derivatives inhibit the action of Vit C
d) Vit K is required for the conversion of glutamic acid residues to y-carboxyglutamic acid residues
Q.10 Surfactant in lung alveoli is produced by:
a) Type II alveolar epithelial cells
b) Type I alveolar epithelial cells
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c) APUD cells
d) Pulmonary alveolar macrophages
Q.11 Receptors in carotid body and aortic bodies are stimulated by:
a) Rise in its PCO2
b) Rise in its H+ concentration
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c) Decline in its PO2
d) All of the above
Q.12 Which one of the vessel types is known as capacitance vessels:
a) Large arteries
b) Aterioles
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c) Capillaries
d) Veins
Q.13 The buffering capacity of hemoglobin is because of which amino acid:
a) Valine
b) leucine
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c) Histidine
d) Arginine
Q.14 The difference between cortical & juxtam-medullary nephrons is in the length of:
a) Thin descending limb of loop of henle
b) Thin ascending limb of loop of henle.
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c) Proximal tubule
d) Collecting duct
Q.15 In which part of loop of henle is the movement of NaCl passive:
a) Thin descending loop
b) Thin ascending limb
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c) Thick ascending limb
d) Descending part of proximal tubule
Q.16 The daily production of H⁺ from CO2 is primarily buffered by which of the following:
a) Extracellular bicarbonate
b) RBC bicarbonate
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c) Hemoglobin
d) Plasma protein
Q.17 The filtration fraction is increased by which of the following:
a) Increasing renal blood flow
b) Increasing afferent arteriolar resistance
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c) Increasing efferent arteriolar resistance
d) Increasing plasma oncotic pressure
0.18 Metabolic acidosis is caused by:
a) Hypoaldosteronism
b) Hyperventilation
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c) Hypovolemia
d) Hypokalemia
Q.19 Most of the glucose filtered through glomerulus undergoes reabsorption in:
a) Proximal tubule
b) Ascending limb of loop of henle
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c) Descending limb of loop of henle
d) Distal tubule
Q.20 Nat is reabsorbed from basolateral surface of renal epithelial cells by which of the following:
a) Na glucose co transport
b) Na-K pump
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c) Facilitated diffusion
d) Solvent drag