Active form of vitamin D in kidney is_____________?

Related Mcqs:

1. In humans and other primates as well as in guinea pigs, this vitamin cannot be synthesized because of the absence of the enzyme L-gulonolactone oxidase: the vitamin is_____________?

   A. Pantothenic acid
   B. Nicotinic acid
   C. Ascorbic acid
   D. Folic acid

2. The increase in the size of left kidney following the removal of right kidney (vicarious hypertrophy) is due to_______________?

   A. Hyperplasia
   B. Hypertrophy
   C. Both of the above
   D. None of the above

3. 1st clinical sign of vitamin A deficiency is_____________?

   A. night blindness
   B. bitot’s spots
   C. xerostomia
   D. conjunctival xeroses

4. Major source of ammonia in the kidney is___________?

   A. Urea Aspartate
   B. Aspartate
   C. Glutamine
   D. Glutamate

5. Test for estimating kidney function is_______________?

   A. Serum creatinine
   B. Serum phosphatase
   C. Inulin test
   D. Insulin test

6. 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

7. In the human kidney, a renal papilla project directly into the_______________?

   A. Ureter
   B. Major calyx
   C. Minor calyx
   D. Renal pyramid

8. Macula dense in kidney is located in relation to______________?

   A. PCT
   B. DCT
   C. Afferent arteriole
   D. Efferent arteriole

9. Carbonic anhydrase in the kidney tubular cells is known to be associated with_____________?

   A. Urea
   B. Chloride
   C. Bicarbonate ion
   D. Carbohydrate

10. Each kidney contains about ______ nephrons ?

    A. One million
    B. Two million
    C. Four million
    D. ½ million