37) Which portion of the nephron is under hormonal control? a) Macula densa b) C

Question

37) Which portion of the nephron is under hormonal control? a) Macula densa b) Collecting duct c) Proximal convoluted tubule d) Descending limb of the nephron loop e) Ascending limb of the nephron loop 38) Which of these is MOST LIKELY to secrete nitrogenous waste in the form of ammon a) A snake b) A seagull c) A dog d) A catfish e) No animals secrete their nitrogenous waste as ammonia 39) The adult mammalian kidney is derived from the a) Pronephros b) Mesonephros c) Opisthonephros d) Metanephros e) Urachus 40) The primary form of nitrogenous waste in mammals is a) Ammonia b) Urea c) Uric acid d) Bilirubin e) Creatinine 41) Which of these is NOT found in the initial filtrate in the human kidney? a) Glucose b) Water c) Amino acids d) Ions e) Antibodies 42)IfWater were found in the urine it would be an indication of kidney disease. a) Water b) K+ c) H+ d) Amino acids e) Na+

Explanation / Answer

37. Collecting duct.

It is under control of hormone ADH

38.A.catfish

39.B.mesonephros

40.urea

Urea secret as primary nitrogenos waste.

41.antibodies

They are totally absorbed

42.amino acids

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