The nurse is teaching the patient, who has been newly prescribed ...

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The nurse is teaching the patient, who has been newly prescribed etanercept (Enbrel), how to administer the medication. What statement is accurate?
 
  A) Be sure to drink a whole glass of water when swallowing the pill.
  B) Do not take this medication for at least 1 hour after taking an antacid.
  C) You can use each of the subcutaneous injection sites to avoid tissue damage.
  D) Inject this medication deeply into the muscle to promote absorption.

Question 2

The pharmacology instructor is discussing the histocompatibility of the cell. What is the importance of a cell's histocompatibility antigen?
 
  A) It reproduces cells when other cells die.
  B) It recognizes cells as self-cells that belong in the body.
  C) The antigen produces antibodies to viral invaders.
  D) The antigen stimulates the production of white blood cells.

[morrie123456]

Answer to Question 1

C
Feedback:
Etanercept is given by injecting it into the subcutaneous tissues. The injection sites should be rotated to avoid tissue damage. Because it is not taken orally, there is no requirement related to amount of water to be taken or waiting an hour after taking an antacid. Etanercept is not injected into the muscle but rather into the subcutaneous tissue.

Answer to Question 2

B
Feedback:
The histocompatibility antigens are proteins that are seen on the top of the cell membrane. T cells use these antigens as the identifying proteins that identify a cell as a self-cell. If these antigens are not present on a cell membrane, the T cells will destroy that cell, determining that it is foreign. The histocompatibility antigens are not involved in reproduction. They do not produce antibodies nor do they stimulate white blood cell production.

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