Pharmacology HESI 55 Questions 2023

Correct Answer: D

Rationale: Cimetidine is best absorbed when taken 30 minutes before meals to decrease stomach acid. Administering it before meals allows for optimal absorption and effectiveness of the medication.

Correct Answer: B

Rationale: The correct answer is B. Scopolamine is not a pain medication; it is commonly used to prevent nausea and vomiting, particularly in surgical settings. It works on the central nervous system to help control these symptoms, not to relieve pain. Therefore, it is important for the nurse to explain to the client that the medication is not intended to relieve pain but rather to manage other specific symptoms. Checking the correct placement of the patch is also important to ensure proper administration, but addressing the misconception about the medication's purpose is the priority in this scenario.

Correct Answer: C

Rationale: The correct answer is C. Enalapril, an ACE inhibitor, inhibits the conversion of angiotensin I to angiotensin II, leading to increased levels of bradykinin. The accumulation of bradykinin is responsible for the persistent dry cough associated with ACE inhibitors like enalapril.

Correct Answer: D

Rationale: Cimetidine is best absorbed when taken 30 minutes before meals to decrease stomach acid. Administering it before meals allows for optimal absorption and effectiveness of the medication.

Correct Answer: B

Rationale: In insulin administration, regular insulin is typically administered before isophane insulin to manage blood glucose effectively. Therefore, if regular insulin is not available, it is best to withhold the dose until it can be administered as prescribed.