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
Patients having acute cardiac failure do not show pedal oedema, because : A. The plasma oncotic pressure is high B. There is renal compensation C. There is an
One intem calculated the concentration of O2 in blood as 0.0025 ml/ml of blood. Considering atmospheric pressure as 760mmHg, how much approx. O2 tension could have been in
During acclimatization to high altitude all of the following take place except: A. Increase in minute ventilation B. Increase in the sensitivity of central chemoreceptors C. Increase in
The Couinaud’s segmental nomenclature is based on the position of the : A. Hepatic veins and portal vein B. Hepatic veins and biliary ducts C. Portal vein and
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