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.Management Sciences
Category: Physiology Mcqs
In myasthenia gravis_______________?
A. there is lack of acetyl choline
B. Lack of acetyl choline receptors
C. There is isometric contraction
D. Muscles are rigid and tough
Enzymes, which play an important role in calcification are______________?
A. Enolase and Calcitonin
B. Alkaline phosphatase and catalase
C. Alkaline phosphatase and pyrophophatase
D. Pyrophosphatase and carbonic anhydrase
Decreased basal metabolic rate is seen in_______________?
A. Obesity
B. Hyperthyroidism
C. Feeding
D. Exercise
Which of the following is not involved in blood clotting ?
A. Calcium
B. Prothrombin
C. Fibrinogen
D. Fe+2
Which is not produced enteroendocrinally_____________?
A. Intrinsic factor
B. Secretin
C. Motilin
D. GIP
Cortisol levels are maximum during____________?
A. Sleep
B. Early morning
C. Evening
D. Have no change
Effect on force of contraction of heart is_____________?
A. Chronotropic effect
B. Dromotropic effect
C. Bathmotropic
D. Ionotropic effect
Cardiac muscle contracts due to______________?
A. Extracellular Ca+2
B. Sarcoplasmic ca+2
C. Extracellular Na+
D. Intracellular Na+
Skeletal muscles______________?
A. Contracts when calcium is taken up by sarcoplasmic reticulum
B. Contracts when actin and myosin filaments shorten
C. Contraction is initiated by calcium binding to troponin
D. Contraction is initiated by calcium binding to tropomyosin
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