HESI RN
HESI Pharmacology Practice Exam
1. A client with rheumatoid arthritis is prescribed methotrexate. Which instruction should the nurse include in the client's teaching plan?
- A. Avoid taking folic acid supplements.
- B. Report any signs of infection immediately.
- C. Take the medication with a full meal.
- D. Limit fluid intake while on this medication.
Correct answer: B
Rationale: The correct instruction for the nurse to include in the client's teaching plan when taking methotrexate is to report any signs of infection immediately. Methotrexate can suppress the immune system, making the client more susceptible to infections. It is important for the client to promptly report any signs of infection to receive timely medical intervention. Choice A is incorrect because folic acid supplements are often recommended to reduce side effects of methotrexate. Choice C is incorrect as methotrexate is usually taken on an empty stomach unless the client experiences gastrointestinal upset. Choice D is incorrect as there is no need to limit fluid intake while on methotrexate; in fact, maintaining adequate fluid intake is important to prevent complications such as kidney damage.
2. A nurse is monitoring a client receiving lithium carbonate for bipolar disorder. Which finding should the nurse report immediately to the healthcare provider?
- A. Increased thirst
- B. Fine hand tremors
- C. Frequent urination
- D. Persistent vomiting
Correct answer: D
Rationale: Persistent vomiting can be a sign of lithium toxicity, which requires immediate medical attention. Increased thirst, fine hand tremors, and frequent urination are common side effects of lithium.
3. The burn client is receiving treatments of topical mafenide acetate (Sulfamylon) to the site of injury. The nurse monitors the client, knowing that which of the following indicates that a systemic effect has occurred?
- A. Hyperventilation
- B. Elevated blood pressure
- C. Local pain at the burn site
- D. Local rash at the burn site
Correct answer: A
Rationale: Hyperventilation is an indication of a systemic effect of mafenide acetate (Sulfamylon) due to its potential to cause acidosis by suppressing renal excretion of acid. If hyperventilation occurs, the medication should be discontinued to prevent further complications.
4. A healthcare provider is preparing to administer a prescribed dose of digoxin (Lanoxin) to a client. Before administering the medication, the healthcare provider should:
- A. Measure the client's blood pressure.
- B. Check the client's heart rate.
- C. Assess the client's respiratory rate.
- D. Check the client's oxygen saturation level.
Correct answer: B
Rationale: Before administering digoxin (Lanoxin), the healthcare provider should check the client's heart rate. Monitoring the heart rate is crucial because if it is below 60 beats per minute, the medication should be withheld, and the healthcare provider must be informed. While blood pressure, respiratory rate, and oxygen saturation are essential assessments, they are not the primary focus before administering digoxin.
5. A client has begun therapy with theophylline (Theo-24). The nurse tells the client to limit the intake of which of the following while taking this medication?
- A. Oranges and pineapple
- B. Coffee, cola, and chocolate
- C. Oysters, lobster, and shrimp
- D. Cottage cheese, cream cheese, and dairy creamers
Correct answer: B
Rationale: Theophylline is a xanthine bronchodilator. Xanthines are found in coffee, cola, and chocolate. These foods should be limited while taking theophylline to prevent potential drug interactions or adverse effects.
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