Which of these statements about white blood cells (WBCs) is TRUE? ...

[jjjetplane]

Which of these statements about white blood cells (WBCs) is TRUE?
 
  a. They are responsible for the exchange of O2 and CO2.
  b. They are active in the clotting mechanism of the body.
  c. They are produced by the liver according to the demand of the body.
  d. They are responsible for fighting infection and assisting with immunity.

Question 2

The nurse is preparing for placement of a nasogastric tube in a client and will use which type of technique for this procedure?
 
  a. sterile c. medically aseptic
  b. clean d. surgically aseptic

[joneynes]

Answer to Question 1

D
White blood cells are responsible for fighting infection and assisting with immunity.

Answer to Question 2

B
The placement of a nasogastric tube is performed using the clean technique.

[jjjetplane]

TY

[joneynes]

You're welcome