Which of the following inhibits thrombin activity? A. Heparin cofactor II B. Alpha 2 antitrypsin C. Chymotrypsin D. Alpha 2 macroglobulin Correct answer : D. Alpha 2 macroglobulin
A newly posted junior doctor had difficulty in finding out base deficit/excess for blood in a given patient. An experienced senior resident advised a quick method to determine
The force of muscle contraction can be increased by all of the following except : A. Increasing the frequency of activation of motor units B. Increasing the number
The main excitatory neurotransmitter in the CNS is: A. Glycine B. Acetylcholine C. Aspartate D. Glutamate Correct answer : D. Glutamate GABA is the main inhibitory neurotransmitter. Excitatory
In which of the following form the Anti diuretic hormone (ADH) is circulated in plasma : A. Bound to neurophysin-I B. Bound to neurophysin-II C. Bound to plasma
Before the onset of puberty, the GnRH neurons are under the inhibitory control of : A. Glycine B. Glutamate C. Gamma amino butyric acid (GABA) D. Beta—endorphin Correct
The enzyme associated with the conversion of androgen to oestrogen in the growing ovarian follicle is: A. Desmolase B. Isomerase C. Aromatase D. Hydroxylase Correct answer : C.
Sertoli cells have receptors for: A. Inhibin B. Luteinizing hormone C. Follicle stimulating hormone D. Melatonin Correct answer : C. Follicle stimulating hormone Sertoli cells also have receptors
During the cardiac cycle the opening of the aortic valve takes place at the : A. Beginning of systole B. End of isovolumetric contraction C. End of diastole
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