HESI RN
HESI Pharmacology Practice Exam
1. A nurse is providing instructions to an adolescent who has a history of seizures and is taking an anticonvulsant medication. Which of the following statements indicates that the client understands the instructions?
- A. I will never be able to drive a car.
- B. My anticonvulsant medication will clear up my skin.
- C. I can't drink alcohol while I am taking my medication.
- D. If I forget my morning medication, I can take two pills at bedtime.
Correct answer: C
Rationale: The correct answer is C: 'I can't drink alcohol while I am taking my medication.' Alcohol can lower the seizure threshold and should be avoided by individuals taking anticonvulsants. Choice A is incorrect because it is an extreme statement and not necessary for someone taking anticonvulsants. Choice B is incorrect as anticonvulsant medications are not used to clear skin conditions. Choice D is incorrect because doubling up medication doses can be harmful and should not be done without healthcare provider approval.
2. Before administering furosemide (Lasix) to a client with heart failure, what is the most important laboratory test result for the nurse to check?
- A. Potassium level
- B. Creatinine level
- C. Cholesterol level
- D. Blood urea nitrogen
Correct answer: A
Rationale: The correct answer is to check the potassium level before administering furosemide (Lasix) to a client with heart failure. Furosemide is a loop diuretic that can cause hypokalemia, so it is crucial to assess the potassium level to prevent complications like cardiac arrhythmias associated with low potassium levels.
3. A client with a peptic ulcer is diagnosed with a Helicobacter pylori infection. The nurse is reinforcing teaching for the client about the medications prescribed, including clarithromycin (Biaxin), esomeprazole (Nexium), and amoxicillin (Amoxil). Which statement by the client indicates the best understanding of the medication regimen?
- A. My ulcer will heal because these medications will kill the bacteria.
- B. These medications are only taken when I have pain from my ulcer.
- C. The medications will kill the bacteria and stop the acid production.
- D. These medications will coat the ulcer and decrease the acid production in my stomach.
Correct answer: C
Rationale: Triple therapy for Helicobacter pylori infection usually includes two antibacterial drugs and a proton pump inhibitor. These medications will kill the bacteria and decrease acid production.
4. A client is receiving bethanechol chloride (Urecholine). The nurse monitors the client for adverse effects of the medication and should observe for which of the following?
- A. Bradycardia
- B. Constipation
- C. Hypertension
- D. Dry mouth
Correct answer: A
Rationale: Corrected Rationale: Bethanechol chloride (Urecholine) stimulates muscarinic receptors, which can lead to bradycardia as an adverse effect. Monitoring for bradycardia is crucial when administering this medication. Constipation, hypertension, and dry mouth are not typically associated with the effects of bethanechol chloride. Bradycardia is the correct adverse effect to monitor for, making option A the correct answer. Constipation, hypertension, and dry mouth are not commonly seen with bethanechol chloride and are therefore incorrect choices.
5. While assisting in caring for a pregnant client receiving intravenous magnesium sulfate for preeclampsia management, a nurse notes the client's absent deep tendon reflexes. What determination should the nurse make based on this data?
- A. The magnesium sulfate is effective.
- B. The infusion rate needs to be increased.
- C. The client is experiencing cerebral edema.
- D. The client is experiencing magnesium toxicity.
Correct answer: D
Rationale: When a pregnant client receiving intravenous magnesium sulfate for preeclampsia management exhibits absent deep tendon reflexes, this indicates magnesium toxicity. Magnesium toxicity can occur as a complication of magnesium sulfate therapy, leading to suppressed reflexes. It is crucial for the nurse to recognize this sign promptly and report it to prevent further complications or harm to the client.
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