ATI Pharmacology Proctored Exam 2023

Correct Answer: B

Rationale: After more than 5 days of use, nasal sympathomimetic medications like phenylephrine can lead to rebound nasal congestion. This occurs as a result of prolonged vasoconstriction of nasal blood vessels, causing worsening nasal congestion.

Correct Answer: C

Rationale: The correct answer is Acetaminophen (Choice C). Acetaminophen, especially in high doses, can increase the risk of bleeding in clients taking Warfarin. It can potentiate the anticoagulant effect of Warfarin, leading to an increased risk of bleeding. Nurses should monitor clients closely for signs of bleeding when these two medications are used together.

Correct Answer: A

Rationale: Grapefruit juice should be avoided when taking Atorvastatin because it can increase the blood levels of the medication, potentially leading to a higher risk of adverse effects like muscle pain and liver damage. It is important to follow this instruction to ensure the safe and effective use of Atorvastatin.

Correct Answer: C

Rationale: Methylnaltrexone is an opioid antagonist used to treat severe constipation unresponsive to laxatives in opioid-dependent clients. It functions by blocking the mu opioid receptors in the gastrointestinal tract, helping alleviate constipation associated with opioid use.

Correct Answer: B

Rationale: It is crucial to advise the client to avoid drinking grapefruit juice while taking Amiodarone. Grapefruit juice can inhibit the metabolism of Amiodarone, causing increased blood levels of the medication and raising the risk of adverse effects, such as cardiac toxicity.