physiology Mcqs
252. Which of them is not affected by vitamin K deficiency_____________?
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A. Factor II

B. Factor IX

C. Factor VII

D. Factor VIII
253. The eosinophil count in the peripheral blood smear is increased in________________?
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A. Typhoid fever

B. Allergic conditions

C. Polycythemia

D. Anemia

254. Hematocrit relates to which of the following______________?
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A. Total RBC volume

B. Total WBC vlume

C. Total blood volume

D. Plasma filtrate

255. The normal absolute eosinophil count is_____________?
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A. 500 to 900 cells/C.mm

B. 1200 to1500cells/C.mm

C. 1500 to 2,000cells/C.mm

D. 40 to 440 cells/C.mm
256. Middle ear deafness can be tested by_____________?
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A. Finger nose test

B. Webers test

C. Chvostek test

D. Babinsky test

257. CO2 is carried in the blood________________?
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A. In physical solution in plasma

B. All of the above

C. In combination with plasma proteins

D. In combination with hemoglobin

259. Chromatolysis is______________?
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A. Disintegrating of Nucleus

B. Decrease in cell size

C. Disappearance of nissel granules

D. Disintegration of golgi apparatus

260. In nerve , the magnitude of the action potential overshoot is normally a function of the______________?
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A. resting membrane potential

B. Magnitude of the stimulus

C. Intracellular potassium concentration

D. extracellular sodium concentration
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

281. In cerebellar disease, all the statements are correct except______________?
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A. The rombergs sign is positive

B. There is involuntary termor

C. There is adiodokokinesia

D. There is pendular knee jerk
283. The number of muscle fibers in a motor unit are least in______________?
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A. Pharyngeal muscles

B. Muscles of middle ear

C. Laryngeal muscles

D. Extraocular muscles

284. Normal myeloid / erythroid ratio is______________?
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A. 0.111111111

B. 1:50

C. 3.513888889

D. 1:1000
285. CO2 is transported in plasma as_____________?
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A. Carbomino compounds

B. Dissolved

C. Bicarbonate

D. CO

287. Site of ADH action is______________?
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A. Collecting tubule

B. Proximal tubule

C. Loop of Henle

D. Vasa recta

290. Immunologically active cells are_____________?
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A. MAST cells

B. Eosinophils

C. R.B.C s

D. Plasma cells
291. Red colour blindness is called________________?
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A. Deuteranomaly

B. Deuteranopia

C. Protanomaly

D. Protanopia
293. In myasthenia gravis_______________?
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A. Muscles are rigid and tough

B. there is lack of acetyl choline

C. There is isometric contraction

D. Lack of acetyl choline receptors
294. Tubular maximum for glucose is_____________?
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A. 375 mg/dl

B. 180 mg/dl

C. 325 mg/dl

D. 375 mg/dl
295. Axon hillock is part of the soma of neuron which________________?
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A. Has dense Nissl grandules

B. Is round in shape

C. Has no Nissl granules

D. Is at commencement of dendrites

296. Blood brain barriers is absent in all of the following areas except__________________?
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A. Habenuclear trigone

B. Neurohypophysis

C. Area posterma

D. Subfornical region

297. GFR is increased when________________?
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A. Glomerular hydrostatic pressure is decreased

B. Tubular hydrostatic pressure is increased

C. Increased renal blood flow

D. Plasma oncotic pressure is increased

299. IN acute infection which of the following is found_______________?
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A. Neutrophilia

B. Neutropenia

C. Leucopenia

D. Leukocytosis

300. Acute bacterial pyogenic infection manifests as_________________?
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A. Leukocytosis

B. Neutropenia

C. Leukopenia

D. Lymphopenia