CGMP is produced from GTP by the enzyme guanylate cyclase which exists in soluble and membrane-bound forms. Following statements are made related to signaling molecules that are associated with cGMP […]
The blood volume decreased when a mammal was bled rapidly. However. The cardiovascular changes resulting from hemorrhage could be minimized by the following compensatory mechanisms: A. Increased cerebral blood flow, […]
Loss of a large quantity of blood in an individual due to haemorrhage provokes many physiological changes which are compensatory and decompensatory in nature. The following statements describe few compensatory […]
A person recovered from a moderate degree of haemorrhagic shock. The participating physiological mechanisms in this recovery process are proposed in the following statements. A. The decrease in arterial pressure […]
After hemorrhage, a subject develops hypovolemia and hypotension. Following are some of the statements regarding homeostatic measure taken by the body after hemorrhage. A. Increased release of vasopressin B. Increased […]
Two individuals A and B, each of 75 kg body weight, have similar volume of body water. Both of them had high salt snack. However, individual A also had a […]
A boy eats a large serving of cheese having high amount of sodium. He hardly drinks any fluid. Inspite of this, the water and electrolyte balance was maintained. Which one […]
The reabsorption of water and NaCl in kidneys is inhibited by the increased secretion of the following substances EXCEPT one: (1) Urodilatin (2) Uroguanylin (3) Dopamine (4) Norepinephrine Water and […]
Which one of the following agents cause relaxation of mesenglial cells? (1) Histamine (2) Thrombaxane A2 (3) Norepinephrine (4) Dopamine Mesangial cells are specialized contractile cells located within the glomerulus […]
Which one of the following factors inhibits rennin secretion ? (1) Increased level of plasma catecholamines. (2) Increased blood pressure in the afferent arterioles leading to glomerulus. (3) Increased activity […]
