Medical MCQs

5099 MCQs  (Page 463 of 510)

Which of the following is important in renal excretion of hydrogen ion ?
A. Combining h+ with cl- to form hcl
B. Combining h+ and hco3- via enzyme carbonic anhydrase
C. Trapping h+ by acetate
D. Trapping h+ by nh3+
Diuresis is caused by______________?
A. Mannitol
B. Glycerol
C. Urea
D. All of the above
The renal threshold for glucose is_______________?
A. 180 mg / dl
B. 100 mg/dl
C. 120 mg/dl
D. 80 mg/dl
Renin is released from the kidney in all except________________?
A. Sympathetic stimulation
B. Decrease in the concentration of sodium ions in the proximal tubules
C. Decrease in the concentration of sodium ions in the distal tubules
D. Fall in the bp
Brush border is seen in________________?
A. Bowman’s capsule
B. Proximal convoluted tubule
C. Distal convoluted tubule
D. Loop of henle
Functional unit of kidney is______________?
A. nephron
B. glomerulus
C. collecting ducts
D. loop of henle
The skeletal muscle action potential______________?
A. Is not essential for contraction to occur
B. Has a prolonged plateau phase?
C. Spreads in ward to all parts of the muscle via the t- tubule system
D. Begins with an, in ward movement of k+ ins