Pharmacology HESI 55 Questions 2023

Correct Answer: B

Rationale: Bulk-forming laxatives are recommended to prevent constipation because they are safe and considered the most natural option. These laxatives work by absorbing liquid in the intestines, forming a bulky, soft stool that is easier to pass, thereby helping to prevent constipation.

Correct Answer: A

Rationale: Valproic acid is known to cause liver toxicity as a potential adverse effect. Regular monitoring of liver function tests is crucial to detect any signs of liver damage early on and prevent serious complications.

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.

Correct Answer: A

Rationale: Lanthanum carbonate is prescribed in chronic kidney disease to bind dietary phosphorus in the gastrointestinal tract. This action can lead to decreased phosphorus absorption and potential hypercalcemia due to the increased serum calcium levels. Therefore, the nurse should monitor the client for signs and symptoms of hypercalcemia, such as confusion, fatigue, and muscle weakness.