The main action of vitamin D is the movement of: 1. calcium ...

[scienceeasy]

The main action of vitamin D is the movement of:
 
  1. calcium and phosphorus.
  2. potassium and sodium.
  3. red and white blood cells.
  4. creatinine and BUN.

Question 2

One of the main functions of vitamin D is to stimulate calcium and sodium reabsorption in which vital organ in the body:
 
  1. Brain
  2. Kidneys
  3. Liver
  4. Colon

[maya.nigrin17@yahoo.com]

Answer to Question 1

1
The main action of this group of sterols is the movement of calcium and phosphorus ions into three main sites: small intestine, kidney, and bones.

Answer to Question 2

2
Vitamin D stimulates calcium and sodium reabsorption in the kidney.

[scienceeasy]

Thanks for the timely response, appreciate it

[Joy Chen]

Wow, this really help