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Mcqs MBBS Exams India
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Home >> Physiology >> Uro Physiology >> Mcqs Page 1
(Single Best Answer) Question 1: Angiotensin II does not cause production of ?
A) ADH
B) Aldosterone
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2: Site of Bicarbonate absorption ?
A) PCT
B) DCT
Answer (Select an option above to get the answer):
(Single Best Answer) Question 3: Peristalsis of ureter depends on ?
A) Only sympathetic
B) Only parasympathetic
C) Both
D) Intrinsic pacemaker in smooth muscle of ureter
Answer (Select an option above to get the answer):
(Single Best Answer) Question 4: Hormone not secreted by kidney ?
A) Angiotensin 1
B) 1, 25 Di hydroxy cholecalciferol
C) Erythropoietin
D) Renin
Answer (Select an option above to get the answer):
(Single Best Answer) Question 5: The prime driving force for counter current multiplier system is ?
A) Medullary hyperosmolarity
B) Reabsorption of Na+ in thick ascending limb
C) Action of ADH via aquaporin channels
D) Urea recycling
Answer (Select an option above to get the answer):
(Single Best Answer) Question 6: The tubuloglomerular feedback is mediated by ?
A) Sensing of Na+ concentration in the macula densa
B) Sensing of Cl- concentration in macula densa
C) Sensing NaCl concentration in the macula densa
D) Opening up of voltage gated Na+ channels in afferent arteriole
Answer (Select an option above to get the answer):
(Single Best Answer) Question 7: The main site of bicarbonate reabsorption is ?
A) Proximal convoluted tubule
B) Distal convoluted tubule
C) Cortical collecting duct
D) Medullary collecting duct
Answer (Select an option above to get the answer):
(Single Best Answer) Question 8: Urinary concentrating ability of the kidney is increased by ?
A) ECF volume contraction
B) Increase in RBF
C) Reduction of medullary hyperosmolarity
D) Increase in GFR
Answer (Select an option above to get the answer):
(Single Best Answer) Question 9: Which one of the following statements is true regarding water reabsorption in the tubules ?
A) The bulk of water reabsorption occurs secondary to Na+ reabsorption
B) Majority of facultative reabsorption occurs in proximal tubule
C) Obligatory reabsorption is ADH dependent
D) 20% of water is always reabsored irrespective of water balance
Answer (Select an option above to get the answer):
(Single Best Answer) Question 10: Several hormones regulate the tubular reabsorption of water and electrolytes at different sites in the nephron. Which of the following combination is correct ?
A) Angiotensin in distal tubule
B) Aldosterone in collecting ducts
C) ADH in proximal tubule
D) ANP in loop of Henle
Answer (Select an option above to get the answer):