physiology MCQs – Page 8

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

physiology Mcqs

141. Oxygen affinity is increased by all except_________________?
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A. Increased HbF

B. Hypothermia

C. Hypoxia

D. Alkalosis

142. Thyroxine causes all the following except______________?
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A. Increased basal metabolism

B. Increased oxygen consumption

C. Decreased cell metabolism

D. Increased pulmonary ventilation

143. Epinephrine is most closely related in structure to ____________________?
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A. Tyrosine

B. Glycerol

C. Methionine

D. Niacin

144. Oxygen affinity decreases in_________________?
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A. HbF

B. Hypoxia

C. Increased pH

D. Hypothermia

145. Glucocorticoids decrease inflammatory reaction by reducing_______________?
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A. Fibroblastic activity

B. Activity of histamine

C. Release of histamine

D. Neutrophils

146. Bile acids are derived from_____________?
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A. Cholesterol

B. Bile salts

C. A & B

D. Bile pigments

147. The most important function of hydrochloric acid in the stomach is_______________?
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A. Neutralization of chyme

B. Stimulation of pancreatic secretion

C. Activation of pepsinogen

D. Destruction of bacteria

148. The effect which is seen due to decrease in serum calcium concentration is_______________?
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A. Depression of Nervous system

B. Increase the renal absorption

C. Relaxation of muscle

D. Excitability of the muscle

149. Most potent stimulus for secretin is______________?
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A. Fat

B. Dilattion of intestine

C. Protein

D. Acid chyme

150. Which of the following anterior pituitary hormones is primarily under inhibitory control of hypothalamus ?
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A. Somatostatin

B. Prolactin

C. GRH

D. TSH

151. Cholagogues are the substances, which cause______________?
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A. Increase concentration of bile

B. Favours acidification of bile

C. Contraction of the gallbladder

D. Increase secretion of bile

152. The type of hypoxia present in high attitude is_____________?
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A. Stagnant Hypoxia

B. Hypoxic Hypoxia

C. Anemic Hypoxia

D. Histotoxic Hypoxia

153. Of the following is a reflex mediated by vagus ?
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A. Bile flow from liver

B. Mucous secretion from the Brunners glands

C. Pancreatic secretion of bicarbonate

D. Cephalic phase of gastric secretion

154. following are the features of cretinism, except_____________?
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A. Normal intelligence

B. Stunted growth

C. Idiotic look

D. Pot- belly

155. The only sugar normally absorbed in the intestine against a concentration gradient is_____________?
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A. Xylose

B. Glucose

C. Mannose

D. Galactose

156. In thyrotoxicosis , there is______________?
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A. Increase in serum proteins which bind throxine

B. Decrease in calcium excretion

C. Increase in calcium excretion

D. Potentiation of catecholamine action

157. FSH is secreted by_____________?
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A. Acidophiles

B. Basophils

C. Chromophobes

D. Theca intern cells

158. Non- respiratory function of the lung is_________________?
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A. Serotonin metabolism

B. Dopamine metabolism

C. PGE2 production

D. Adrenaline metabolism

159. Not a glycoprotein_______________?
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A. LH

B. FSH

C. TSH

D. GH

160. Ovulation is associated with sudden rise in______________?
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A. Prolactin

B. L.H

C. Testosterone

D. Oxytocin

Showing 141 to 160 of 522 mcqs