Top 150+ Solved Renal MCQ Questions Answer
Q. Chloride may be reabsorbed in the nephron by:
a. passive reabsorption
b. active co-transport with K+ and Na+
c. OH- /Cl- antiport
d. all of the above
e. none of the above
Q. Which of these factors do NOT affect GFR?
a. renal blood flow
b. ureteral obstruction
c. dehydration
d. a neutral molecule measuring 4 manometer
e. angiotensin II effects on mesangial cells
Q. The collecting duct is the main site of action for which of the following drugs?
a. ethanol
b. demeclocycline
c. thiazide diuretics
d. ethacrynic acid
e. caffeine
Q. Which is NOT true of osmotic diuresis?
a. osmotic diuresis is due to the quantity of unreabsorbed solutes
b. decreased water reabsorption in proximal tubules and loops
c. reduced Na+ reabsorption as the limiting concentration gradient is exceeded
d. net loss of Na+ in urine
e. normal water reabsorption in proximal portion of tubules
Q. Which of these is NOT a factor affecting acid secretion?
a. intracellular PCO2
b. carbonic anhydrase level
c. K+ concentration
d. aldosterone concentration
e. none of the above
Q. Regarding the kidney:
a. glucose is reabsorbed mainly in distal tubule
b. normal GFR is 125ml/hour
c. glomeruli filter 180L fluid per day
d. Na+ is actively transported out of think loop of Henle
e. ethanol promotes vasopressin secretion
Q. Regarding renal blood flow:
a. blood flow greatest to medulla
b. pressure in renal vein is about 20mmHg
c. angiotensin II constricts efferent arterioles
d. prostaglandins increase blood flow in cortex and medulla
e. renal blood flow = renal plasma flow x 1 haematocrit
Q. Osmolality of tubular fluid:
a. isotonic in proximal tubule
b. isotonic in loop of Henle
c. hypertonic in ascending limb loop of Henle
d. hypotonic in collecting duct
e. hypotonic in proximal tubule
Q. Regarding the kidney and urine formation:
a. specific gravity is measure of osmolality
b. thin ascending limb relatively impermeable to water
c. thin ascending limb relatively impermeable to Na+ Cl-
d. water diuresis begins about 1 hour after ingestion of a water load
e. high protein diet does not affect concentrating ability of kidney
Q. Regarding tubular reabsorption in kidney:
a. glucose and amino acids passively reabsorbed
b. Cl- mainly actively reabsorbed
c. only passive reabsorption occurs in proximal tubule
d. urea is not passively reabsorbed
e. Na+ actively reabsorbed in most parts of tubule
Q. In the presence of vasopressin, most filtered water is absorbed in the:
a. proximal tubule
b. loop of Henle
c. distal tubule
d. cortical collecting system
e. medullary collecting system
Q. All of the following affect glomerular filtration, EXCEPT:
a. changes in renal flood flow
b. urethral obstruction
c. dehydration
d. oedema outside the renal capsule
e. glomerular capillary permeability
Q. The thick ascending limb of the loop of Henle:
a. is impermeable to water
b. has maximal permeability to NaCl
c. is relatively permeable to water
d. is impermeable to NaCl
e. is a site where there is no active transport of sodium
Q. In the normal bladder, micturition:
a. is initiated by the pelvic nerves
b. is co-ordinated in the lumbar portion of the spinal cord
c. is initiated at a volume of 600mls
d. is significantly affected by sympathetic nerves
e. is not facilitated at the level of the brain stem
Q. All the following statements regarding the atrial natriuretic peptide (ANP) are trueEXCEPT:
a. it causes natriuresis
b. it lowers blood pressure
c. circulating ANP has a short half-life
d. ANP has the greatest affinity for the ANPR-B receptor of the glomerulus
e. it is released when atrial muscle is stretched