Excretion Multiple Choice Questions and Answers for Practice

16. kidney in human being occure in the region of:

1. 11th thoracic and third lumber vertebra
2. 9th thoracic and forth lumber vertebra
3. 10th thoracic and first lumber vertebra
4. 12th thoracic and second lumber vertebra

17. The glomerular filteration rate in a normal adult is nearly

1. 125 ml/min
2. 170 ml/min
3. 200 ml/min
4. 250 ml/min

18. What is the approximately length and diameter of uriniterous tubule?

1. 30 cm length,diameter 25um
2. 25 cm length,diameter 20um
3. 3 cm length,diameter 35um
4. 3 cm length,diameter 20.30um

19. The net pressure glaient that cause the luid to filler out the glomeruti into thecapsule is

1. 20 mm hg
2. 30 mm hg
3. 50 mm hg
4. 75 mm hg

20. Secretion of renin from JG cell is due to

1. GFR
2. All of these
3. A fall gloerular blood flow
4. glomerular blood pressure

21. A process takes place in PCT is

1. Reabsorption of NACL
2. Secretion of urea
3. Absorption of H+ to maintain PH
4. Secretion of buffer HCO3

22. Glucose is reabsorbed from glomerular filterate though

1. Osmosis
2. Difusion
3. Active transport
4. Passive transport

23. Juxta glomerular cells of renal cortex synthesize a hormone called:

1. Renin
2. Urochrom
3. ADH
4. Oxytocin

24. If liver from body is removed then which component of blood increases

1. urea
2. Uric acid
3. Ammonia
4. Protein

25. the least toric nitrogen waste of urine is

1. Urea
2. Uric acid
3. Ammonia
4. Allantois

26. Involving mainly in RAAS

1. Renin
2. All of these
3. Angiotensin
4. Aldosteron

27. It is also acivate the adraral cortex to release aldosterone

1. Cortisol
2. ADH
3. Angiotensin II
4. Adrenal gland

28. Urinary Excretion of Na is regulated by

1. Adrenal cortex
2. Adenal medulla
3. Anteroir pituitary
4. Posterior Pituitary

29. Urea formation occure by:

1. Ornithine cycle
2. Citulline cycle
3. Arginine cycle
4. Krebs cycle

30. which of these is not a keton body

1. Succinic acid
2. Betabychoxy butyric acid
3. Asetoacetic acid
4. Acetone