physiology MCQs – Page 11

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

physiology Mcqs
201. Kussmamuls respiration occurs in response to_______________?
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A. Decrease in pH of blood

B. Increase in pH of blood

C. Carbon monoxide poisoning

D. Obstructive pulmonary disease

202. Which one of the following is a precursor of both gonadal and adrenocortical hormones_____________?
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A. Corticosterone

B. Cortisol

C. Progesterone

D. Testosterone

203. Which of the following hormones exerts the least effect on calcium metabolism of bone tissue ?
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A. Thyroid hormone

B. Estrogen

C. Anderogen

D. Nor epinephrine
204. At what temperature blood is stored______________?
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A. -4C

B. 6C

C. 4C

D. 8C

205. Upstroke of action potential would lead to________________?
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A. Cell interior becomes more negative

B. Net current in an outward direction

C. Cell interior becomes less negative

D. None of the above

206. Delta waves of Electroencephalogram have frequency of ______________?
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A. More than 14 cycles per second

B. Between 8 and 13 cycles per second

C. Less than 3.5 cycles per second

D. Between 4 and 7 cycles per second

207. Major basic protein is an important constituent of which leucocyte_____________?
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A. Lymphocyte

B. Basophil

C. Eosinophil

D. Neutrophil

208. DOPA and 5 Hydroxytryptophan are clinically important because______________?
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A. They cross Blood Brain Barriers

B. They act as neuromodulators

C. They are metabolites of various neurogentic amines .

D. They are acidic precursors of Brain amines

209. Which sensation is not lost on the side of lesion in brown sequard syndrome ?
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A. Vibration sense

B. Muscle sense

C. Temperature

D. Touch

210. Carbonic anhydrase in the kidney tubular cells is known to be associated with_____________?
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A. Urea

B. Carbohydrate

C. Bicarbonate ion

D. Chloride

211. Contractile element in myofibril is_______________?
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A. Sarcomere

B. Sarcoplasm

C. A line

D. H band

212. The oral and pharyngeal phases of swallowing take place very rapidly and last about______________?
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A. 3.5 seconds

B. 1-1.5 seconds

C. 9.5 seconds

D. 6.0 seconds

213. The only fixed cell of the connective tissue_______________?
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A. Mast cell

B. Neutrophils

C. Histiocyte

D. Lymphocyte

214. Serum is______________?
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A. Blood RBC

B. Plasma- fibrin

C. Plasma- clotting factors

D. Blood all cellular elements

215. The half-life of plasma Albumin is approximately___________________?
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A. 7 days

B. 90 days

C. 20 days

D. 60 days

216. Succinyl choline acts to block neuromuscular transmission by_______________?
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A. Inhibiting cholinesterase

B. Depolarizing the motor end plate of skeletal muscle

C. Inhibiting the CNS

D. Blocking the release of acetyl choline at the end plate

217. What is the normal PH of human blood_____________?
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A. 7

B. 7.6

C. 7.2

D. 7.35 to 7.4
218. Patient with anemia tends to have all, except________________?
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A. A low PO2 in arterial blood

B. Pallor of mucous membranes

C. Increased incidence of heart murmurs

D. Compensatory increase in cardiac output

219. Brocas area is concerned with______________?
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A. Comprehends language not speaking

B. Is the confluence of somatic , auditory and visceral areas

C. Word formation

D. Present in posterior part of temporal lobe

220. Which among the following is also called peak less insulin analog ?
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A. Lente insulin

B. Insulin aspart

C. Insulin lispro

D. Insulin glargine