10. The kidney receives about a. 10 b. 25 -% of blood from the heart . 50 d. 70
ID: 257970 • Letter: 1
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10. The kidney receives about a. 10 b. 25 -% of blood from the heart . 50 d. 70 11. Antidiuretic hormone ADH is produced and secreted from a. Pituitary gland b. Adrenal cortex c. Pancreas d. Kidney 12. Water is reabsorbed by renal tubule through the process of a. Diffusion b. Filtration c. Osmosis d. Reverse osmosis 13. During urine formation, movement of substances fram plasma to renal tubule is called a. Secretion b. Reabsorption c. Osmosis d. Diffusion 14. When concentration of water in body fluids increases, secretion of ADIH a. Increases b. Decreases c. Stays same d. Is not affected 15. The afferent arteriole supplies biood to a. Renal artery Efferent arterioles d. Bowman's capsule a. Proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting duct b. Loop of Henle, proximal convoluted tubule, collecting duct, distal convoluted tubule c. Proximal convoluted tubule, loop of Henle, collecting duct, distal convoluted tubule d. Loop of Henle, peritubular duct, distal convoluted tubule, collecting duct 16. After filtration of blood in renal corpuscle, urine flow in nephron is as tollows: 17. Atrial natriuretic peptide causes: a. b. c. d. Decrease in sodium excretion Increase in sodium excretion Decrease in potassium excretion Increase in potassium excretion 18. Aldosterone is produced by a. Pituitary gland b. Lungs C. Liver d. Adrenal cortexExplanation / Answer
ans 10- (b) 25%. kidney receive about 20-25% blood from the heart.
ans 11- (a) ADH or vasopressin is secreted by the posterior pituitary gland.
ans 12- (c) the reabsorption is the process of osmosis.
ans 13- (b) this is tubular reabsorption of water.
ans 14- (b) decreases with the increase of water concentration in the system
ans 15- (b) provide blood to the glomerulus whereas, efferent takes away blood from it.
ans 16- (a) option a is the correct option the blood flows from PCT then to loop of henel and then DCT and in collecting duct.
ans 17- (b) ANP inhibits sodium and water retention in the system thus, it gets excreted.
ans 18- (d) adrenal cortex produces aldosterone.
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