Pharmacology HESI 55 Questions 2023

Correct Answer: A

Rationale: The most important nursing intervention before administering ampicillin to a client with a urinary tract infection is to obtain a clean-catch urine specimen. This specimen is crucial for determining the causative organism and evaluating the effectiveness of pharmacological therapy. It should be collected before starting treatment with an anti-infective agent to ensure accurate diagnosis and appropriate management of the infection.

Correct Answer: D

Rationale: When a client taking metformin for diabetes mellitus type 2 is NPO for surgery, it is essential to manage their glucose levels effectively. In this scenario, the best approach is to prescribe regular insulin subcutaneously according to a sliding scale based on the client's blood glucose levels. This method allows for precise adjustment of insulin doses to maintain blood glucose within the target range while the client is unable to take oral medications.

Correct Answer: A

Rationale: Exenatide, a medication commonly used in type 2 diabetes, is known to cause gastrointestinal side effects, such as nausea. Monitoring for nausea is essential as it can lead to decreased appetite and potential weight loss, affecting the nutritional status of the client. While hypoglycemia and hyperglycemia are important to monitor in diabetes management, they are not typically associated with exenatide use. Pancreatitis is a rare but serious adverse effect of exenatide, which requires immediate medical attention if suspected.

Correct Answer: A

Rationale: Erythropoietin is a medication commonly used to stimulate red blood cell production in individuals with chronic kidney disease. One of the potential adverse effects of erythropoietin therapy is hypertension. The increased production of red blood cells can lead to elevated blood pressure levels. Therefore, monitoring for hypertension is essential to ensure the client's safety and well-being while on this medication.

Correct Answer: A

Rationale: Pilocarpine, a cholinergic agent, stimulates the ciliary muscle to contract, which opens the trabecular meshwork and facilitates the outflow of aqueous humor, reducing intraocular pressure. This mechanism helps in managing open-angle glaucoma by improving drainage and lowering pressure within the eye.