Medical MCQs

5099 MCQs  (Page 461 of 510)

Formation of a small volume of concentrated urine in dehydration is associated with____________?
A. More reabsorption in the pct
B. More concentration in loop of henle
C. More reabsorption of dct and collecting ducts
D. All of these
Each kidney contains about ______ nephrons ?
A. One million
B. Two million
C. Four million
D. ½ million
GFR is increased when________________?
A. Plasma oncotic pressure is increased
B. Glomerular hydrostatic pressure is decreased
C. Tubular hydrostatic pressure is increased
D. Increased renal blood flow
Site of ADH action is______________?
A. Proximal tubule
B. Loop of henle
C. Vasa recta
D. Collecting tubule
In which segment of the nephron does tubular fluid has the highest osmolarity ?
A. Henle’s loop
B. Distal tubule
C. Proximal tubule
D. Collecting duct
The part of nephron” least permeable to water” is______________?
A. Proximal tubule
B. Descending limb of loop of henle
C. Ascending limb of loop of henle
D. Collecting tubule