To maintain proper fluid balance, the body contains two sets of ...

[stevenposner]

To maintain proper fluid balance, the body contains two sets of receptors: one measures volume of the ________, and the other records the volume of the ________.
 
  A) cerebrospinal fluid; cells
  B) extracellular fluid; cells
  C) blood; cells
  D) interstitial fluid; intravascular compartment
  E) sodium ions; blood

Question 2

The volume of blood in the body must be regulated because
 
  A) reduced blood volume causes water to move out of cells.
  B) reduced blood volume can cause water to move into cells.
  C) low blood volume can lead to better pumping action of the heart.
  D) low blood volume can lead to heart failure.
  E) high blood pressure can lead to better pumping action of the heart.

[uniquea123]

Answer to Question 1

Answer: C
Rationale: To maintain proper fluid balance, the body contains two sets of receptors: one measures volume of the blood, and the other records the volume of the cells.

Answer to Question 2

Answer: D
Rationale: The volume of blood in the body must be regulated because low blood volume can lead to heart failure.