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.Management Sciences
Category: Physiology Mcqs
following are the features of cretinism, except_____________?
A. Pot- belly
B. Idiotic look
C. Normal intelligence
D. Stunted growth
Cholagogues are the substances, which cause______________?
A. Contraction of the gallbladder
B. Increase concentration of bile
C. Increase secretion of bile
D. Favours acidification of bile
Which of the following is not true for myelinated nerve fibers______________?
A. Impulse through myelinated fibers is slower than non- myelinated fibers
B. Membrane currents are generated at nodes of Ranvier
C. Saltatory conduction of impulses is seen
D. Local anesthesia is effective only when the nerve is not covered by myelin sheath
Hematocrit relates to which of the following______________?
A. Total blood volume
B. Total RBC volume
C. Total WBC vlume
D. Plasma filtrate
Which of the following does not stimulate alveolar hyperventilation ?
A. Hypoxia
B. Hypercapnia
C. Acidosis
D. Stretching of airways
The function of vitamin K is______________?
A. Thrombin formation
B. Prothrombin formation
C. Fibrin formation
D. Thromboplastin formation
Steroid hormones are believed to enter target cells via_______________?
A. Facilitated diffusion
B. Carrier – mediated endocytosis
C. Cholesterol lined pores in the plasma membrane
D. Simple diffusion
In thyrotoxicosis , there is______________?
A. Decrease in calcium excretion
B. Increase in serum proteins which bind throxine
C. Potentiation of catecholamine action
D. Increase in calcium excretion
Phagocytosis in the CNS is done by _______________?
A. Astrocytes
B. Schwann cells
C. Microglia
D. Oligocytes
Which hormone is released when serum calcium decreases ?
A. Parathormone
B. Calcitonin
C. Thyroxine
D. Adrenaline
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