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. When monitoring a client for acute toxicity associated with bethanechol chloride (Urecholine), what sign should the nurse check for to indicate toxicity?
- A. Dry skin
- B. Dry mouth
- C. Bradycardia
- D. Signs of dehydration
Correct answer: C
Rationale: The correct answer is C: Bradycardia. Toxicity from bethanechol chloride (Urecholine) can lead to excessive muscarinic stimulation, resulting in manifestations like salivation, sweating, involuntary urination and defecation, bradycardia, and severe hypotension. When facing toxicity, treatment involves supportive measures and administering atropine sulfate subcutaneously or intravenously.
3. After administering acetylcysteine (Mucomyst), 20% solution diluted in 0.9% normal saline by nebulizer, the nurse should have which item available for potential use?
- A. Ambu bag
- B. Intubation tray
- C. Nasogastric tube
- D. Suction equipment
Correct answer: D
Rationale: Acetylcysteine is administered via inhalation as a mucolytic. It helps liquefy secretions, making it easier for the client to clear them. However, in some cases, the increased volume of liquefied secretions may be challenging for the client to manage, leading to the potential need for suction equipment to assist in clearing the airway. Therefore, the nurse should have suction equipment available after administering acetylcysteine to address any issues related to excessive secretions.
4. Which statement by the client indicates a need for further teaching about the use of metoprolol (Lopressor)?
- A. I will not stop taking the medication abruptly.
- B. I will take my pulse before taking the medication.
- C. I will take the medication with food.
- D. I will take the medication at bedtime.
Correct answer: D
Rationale: The correct answer is D because taking metoprolol (Lopressor) at bedtime is not specifically recommended. Metoprolol should be taken with food to enhance absorption. It is crucial for the client not to stop taking the medication abruptly to prevent rebound hypertension or other adverse effects. Additionally, monitoring the pulse before taking metoprolol is important for assessing its effect on heart rate.
5. When administering hydrochlorothiazide (HydroDIURIL) to a client, the nurse should be aware of which of the following concerns?
- A. Hypouricemia, hyperkalemia
- B. Increased risk of osteoporosis
- C. Hypokalemia, hyperglycemia, sulfa allergy
- D. Hyperkalemia, hypoglycemia, penicillin allergy
Correct answer: C
Rationale: The correct answer is C. Hydrochlorothiazide is a thiazide diuretic, which can lead to hypokalemia and hyperglycemia. It is also associated with hypercalcemia, hyperlipidemia, and hyperuricemia. Being a sulfa-based medication, individuals with a sulfa allergy are at risk for an allergic reaction when taking hydrochlorothiazide. Choice A is incorrect because hydrochlorothiazide can cause hyperkalemia rather than hypouricemia. Choice B is incorrect as there is no direct link between hydrochlorothiazide and an increased risk of osteoporosis. Choice D is incorrect because hypoglycemia and penicillin allergy are not typically associated with hydrochlorothiazide use.
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