ATI Pharmacology Test Bank

Correct Answer: C

Rationale: To prevent the development of medication resistance, it is crucial for the client to take antiretroviral medication consistently at the same time daily without missing doses. This practice helps maintain effective drug levels in the body, reducing the risk of resistance development.

Correct Answer: A

Rationale: The correct answer is A because warfarin takes several days to reach a therapeutic level and exert its full anticoagulant effect. During this time, the IV heparin is continued to prevent clotting until the warfarin is effective. Both medications are used together temporarily for this reason. Discontinuing heparin prematurely can increase the risk of clot formation. Therefore, the nurse should explain to the client that the IV heparin will be continued until the warfarin reaches a therapeutic level.

Correct Answer: B

Rationale: The nurse should obtain the blood sample for the peak serum level at 1030. This timing allows for 30 minutes to elapse after the completion of the 1-hour IV infusion, which is the recommended window for obtaining the peak serum level of gentamicin.

Correct Answer: C

Rationale: To prevent the development of medication resistance, it is crucial for the client to take antiretroviral medication consistently at the same time daily without missing doses. This practice helps maintain effective drug levels in the body, reducing the risk of resistance development.

Correct Answer: D

Rationale: Furosemide, when administered intravenously, should be given slowly over 2 minutes to reduce the risk of ototoxicity, a known adverse effect of rapid infusion. This method allows for better monitoring of the client's response and decreases the likelihood of adverse reactions associated with a faster administration rate.