MCQs on Renal System / Excretory system

1: The part of nephron least permeable to water is?
Proximal Tubule
Descending limb of Loop of Henle
Ascending limb of loop of Henle
Collecting Tubule

2. Tubular maximum for glucose is?
180 mg/dl
325 mg/dl
375 mg/min
375 mg/dl

3. In renal glycosuria, the renal threshold for glucose is?
Low
Same
High
Greatly increased

4. Maximum amount of glucose absorption occurs at?
PCT
DCT
Loop of Henle
None

5. In which segment of the nephron does tubular fluid has the highest osmolarity?
PCT
DCT
Loop of Henle
Collecting Duct

6. Test for estimating kidney function is?
Serum creatinine test
Serum phosphatase test
Inulin test
Insulin test

7. In osmotic diuresis there is?
Increase in renal blood flow
Increase in glomerular filtration rate
Increase in Nacl concentration in urine
Decrease in reabsorption of NaCl

8. Brush border is seen in?
Bowman's capsule
Proximal convoluted tubule
Distal convoluted tubule
Loop of Henle

9. In clinical practice Glomerular Filtration Rate (GFR) is estimated using the plasma clearance value of?
Inulin
Glucose
PAH
Creatinine

10. Ammonia in the kidney tubules is excreted in exchange for ?
HCO3-
Na+
Cl-
Po4--