HESI RN
HESI Pharmacology Practice Exam
1. A nurse preparing a client for surgery reviews the client's medication record. The client is to be nothing per mouth (NPO) after midnight. Which of the following medications, if noted on the client's record, should the nurse question?
- A. Cyclobenzaprine (Flexeril)
- B. Alendronate (Fosamax)
- C. Allopurinol (Zyloprim)
- D. Prednisone
Correct answer: D
Rationale: Prednisone is a corticosteroid that can cause adrenal atrophy, reducing the body's ability to withstand stress. During surgery, the dosage may need to be adjusted due to its impact on the body's stress response. Choices A, B, and C are not typically contraindicated before surgery and do not have the same potential impact on the body's stress response.
2. A client with hyperparathyroidism has a serum calcium level of 13 mg/dL. Which medication should be prepared to administer as prescribed to the client?
- A. Calcium chloride
- B. Calcium gluconate
- C. Calcitonin (Miacalcin)
- D. Large doses of vitamin D
Correct answer: C
Rationale: The normal serum calcium level ranges from 8.6 to 10.0 mg/dL. In hypercalcemia, as seen in this client, Calcitonin (Miacalcin) is used to decrease plasma calcium levels by inhibiting bone resorption. Calcium gluconate and calcium chloride are typically used for hypocalcemia, not hypercalcemia. Large doses of vitamin D should be avoided in hypercalcemia as they can exacerbate hypercalcemia by increasing calcium absorption from the intestines.
3. A client receiving nitrofurantoin (Macrodantin) calls the health care provider's office complaining of side effects related to the medication. Which side effect indicates the need to stop treatment with this medication?
- A. Nausea
- B. Diarrhea
- C. Anorexia
- D. Cough and chest pain
Correct answer: D
Rationale: Pulmonary reactions such as cough and chest pain are serious side effects associated with nitrofurantoin that require immediate discontinuation of the medication to prevent potential severe respiratory complications.
4. A client is prescribed calcium gluconate after thyroidectomy. The medication is most likely prescribed to:
- A. Treat thyroid storm.
- B. Prevent cardiac irritability.
- C. Treat hypocalcemic tetany.
- D. Stimulate the release of parathyroid hormone.
Correct answer: C
Rationale: After a thyroidectomy, the parathyroid glands can be inadvertently removed or damaged, leading to a decrease in calcium levels and potentially causing hypocalcemic tetany. Calcium gluconate is given to supplement calcium levels and prevent or treat hypocalcemia-related symptoms, such as muscle spasms and tetany.
5. A client with type 2 diabetes mellitus is prescribed metformin (Glucophage). Which instruction should the nurse include in the teaching plan?
- A. Take the medication with meals.
- B. Monitor for signs of hypoglycemia.
- C. Avoid alcohol while taking this medication.
- D. Take the medication at bedtime.
Correct answer: C
Rationale: Clients taking metformin (Glucophage) should avoid alcohol as it can increase the risk of lactic acidosis. Metformin should be taken with meals to reduce gastrointestinal upset. While hypoglycemia is less common with metformin compared to other diabetes medications, clients should still be aware of its symptoms.
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