Renal Physiology (MCQ) Questions & Answers

Renal Physiology (MCQ) Questions & Answers

Q1: The cells of the proximal convoluted tubules:
a) have very few mitochondria.
b) have many brush border.
c) responding mainly to ADH.
d) responding mainly to aldosterone.
e) are for reabsorption only.
Q2: The cortical nephrons when compared to the juxtamedullary nephrons cortical
nephrons have:
a) longer loops of Henle.
b) greater numbers
c) vasa recta
d) major role in urine concentration.
e) lower blood supply.
Q3: Renal blood flow:
a) is about 80% of the cardiac output.
b) is more in the medulla than in the cortex.
c) can be calculated if renal plasma flow and GFR are known.
d) is more in the cortex than in the medulla.
e) is usually calculated by inulin clearance.
Q4: The juxtaglomerular cells of the JGA secrete:
a) aldosterone.
b) ADH.
c) angiotensin II.
d) rennin.
e) adrenaline.
Q5: Concerning the juxtaglomerular (JGA) apparatus which of the following is
correct:
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Renal Physiology
(MCQ) Questions & Answers
a) it is located in the area of contact between the afferent arteriole, efferent
arteriole, and DCT.
b) JG cells act as receptors for NaCl concentration.
c) macula densa cells secrete rennin.
d) its main function is to regulate glucose concentration in the plasma.
e) it is present in the juxtamedullary nephrons only