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.Management Sciences
Category: Physiology Mcqs
The half-life of plasma Albumin is approximately___________________?
A. 7 days
B. 20 days
C. 60 days
D. 90 days
Unmyelinated fibres differ from myelinated fibers in that they ______________?
A. Have increased excitability
B. Have to nodes of Ranvier
C. Have no power of regeneration
D. Have no association of Schwann cells
Thrombopoietin is produced by_________________?
A. Monocytes
B. Liver
C. Megakaryocyte
D. Megakaryoblast
Function of ADH is________________?
A. Water reabsorption
B. Water excretion
C. Na+ absorption
D. K+ secretion
Which of the following events DO NOT occur in rods in response to light_______________?
A. Structural changes in rhodopsin
B. Activation of transducin
C. Decreased intracellular cGMP
D. Opening of Na+ channels
Lesions within the basal ganglia produce the following signs except_______________?
A. Hypotonia
B. Tremor
C. Hemiballismus
D. Athetosis
Absolute period when whole heart is in diastole is______________?
A. 0.7 seconds
B. 0.3 seconds
C. 0.7 seconds
D. 0.4 seconds
In a DNA molecule adenine always forms a linkage with______________?
A. Guanine
B. Cytosine
C. Thymine
D. Uracil
Major basic protein is an important constituent of which leucocyte_____________?
A. Neutrophil
B. Eosinophil
C. Basophil
D. Lymphocyte
Upstroke of action potential would lead to________________?
A. Net current in an outward direction
B. Cell interior becomes more negative
C. Cell interior becomes less negative
D. None of the above
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