physiology MCQs – Page 14

Practise focused physiology questions with marked answers for exam preparation and subject revision.

physiology Mcqs
261. Drumstick is found in_______________?
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A. Lymphocytes

B. Neutrophils

C. Monocytes

D. Platelets

263. Afferent component of corneal reflex is mediated by ________________?
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A. Facial nerve

B. Glossopharyngeal nerve

C. Vagus nerve

D. Trigeminal nerve
264. For heparin which of the following is ?
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A. Is released by mast cells

B. Interferes with action of thrombin

C. Is released by macrophages

D. Inhibits conversion of fibrinogen to insoluble fibrin

265. Renin is released from the kidney in all except________________?
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A. Sympathetic stimulation

B. Decrease in the concentration of sodium ions in the proximal tubules

C. Fall in the BP

D. Decrease in the concentration of sodium ions in the distal tubules

266. In an isotonic contraction of the muscle________________?
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A. The muscle is not able to move the load

B. The muscle moves a load through a distance

C. The length of muscle is increased

D. The latent period of contraction is shorter than isometric contraction

267. Prothrombin time is useful for_______________?
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A. In hemophilia

B. Detection of clot retraction

C. For evaluation in a patient taking anticoagulant drugs

D. Platelet count

268. To check objective pain response, which is best used method_______________?
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A. Facial pain scale

B. R III Reflex

C. Knee jerk reflex

D. H- Reflex

269. Pain is conducted by_______________?
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A. A-delta fibers

B. A-gamma fibers

C. A-beta fibers

D. A-alpha fibers

270. When a person lies down_______________?
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A. There is immediate increase in venous return

B. Heart rate becomes stable at slightly more than normal

C. Cerebral blood flow increase & becomes stable at more than normal

D. Blood flow to the Apex of lung decrease

271. The temperature of body is controlled by_______________?
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A. Hypothalamus

B. Precentral gyrus

C. Medulla

D. Diencephalon

272. False about blood brain barrier is_______________?
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A. Fibronectin provides a barrier for diffusion

B. There are no gaps between active sites

C. Less activity in the membrane

D. There are gaps between tight junctions at the active sites
273. Test for estimating kidney function is_______________?
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A. Inulin test

B. Serum phosphatase

C. Insulin test

D. Serum creatinine

274. Infants acquire adult hemoglobin level at_____________?
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A. 4 years

B. End of 1st year

C. Puberty

D. Birth

275. Which of the following is one for a patient on coumarin (warfarin) therapy_______________?
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A. Capillary fragility test (CFT)

B. Bleeding time (BT)

C. Partial thromboplastin time ( PTT)

D. Prothrombin time (PT)
276. Valve of Hasner is present at________________?
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A. common bile duct

B. maxillary Sinus

C. Naso lacrimal duct

D. Stensons duct

277. The function of plasma cell______________?
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A. Phagocytosis

B. Antibody formation

C. Opsonization

D. CMI

278. The following electrodes are used to detect the muscle activity without pain_________________?
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A. Needle electrode

B. Surface electrode

C. Round electrode

D. Hook electrode

279. Sensory receptors for pain are_______________?
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A. Free nerve endings

B. End organs of Ruffini

C. End bulbs of Krause

D. Pacinian corpuscles