HESI RN
HESI Pharmacology Practice Exam
1. A postoperative client has received a dose of naloxone hydrochloride for respiratory depression shortly after transfer to the nursing unit from the postanesthesia care unit. After administration of the medication, the nurse checks the client for:
- A. Pupillary changes
- B. Scattered lung wheezes
- C. Sudden increase in pain
- D. Sudden episodes of diarrhea
Correct answer: C
Rationale: Naloxone hydrochloride is an antidote to opioids and may be administered to postoperative clients to address respiratory depression. This medication can also reverse the effects of analgesics, potentially leading to a sudden increase in pain. Therefore, the nurse must assess the client for any unexpected rise in pain levels after naloxone administration. Choices A, B, and D are incorrect because pupillary changes, scattered lung wheezes, and sudden episodes of diarrhea are not typically associated with naloxone administration for respiratory depression.
2. A client taking ethambutol (Myambutol) understands the instructions provided by the nurse if the client states that he or she will immediately report:
- A. Impaired sense of hearing
- B. Problems with visual acuity
- C. Gastrointestinal (GI) side effects
- D. Orange-red discoloration of body secretions
Correct answer: B
Rationale: The correct answer is B: Problems with visual acuity. Ethambutol is known to cause optic neuritis, leading to a decrease in visual acuity and color discrimination. Therefore, any visual changes should be reported promptly to prevent further complications. Choices A, C, and D are incorrect because ethambutol does not typically cause impaired sense of hearing, gastrointestinal side effects, or orange-red discoloration of body secretions. It is crucial for clients taking ethambutol to be aware of potential visual disturbances and report them promptly to healthcare providers.
3. A client with heart failure is prescribed furosemide (Lasix) and digoxin (Lanoxin). Which instruction should the nurse include in the client's teaching plan?
- A. Avoid foods high in potassium.
- B. Report a pulse rate less than 60 beats per minute.
- C. Take the medications in the morning.
- D. Weigh yourself daily.
Correct answer: B
Rationale: The correct answer is B. The nurse should instruct the client to report a pulse rate less than 60 beats per minute, as it could indicate digoxin toxicity. Consuming potassium-rich foods is encouraged due to the potential for furosemide (Lasix) to cause hypokalemia. The medications should be taken in the morning to prevent nocturia. Weighing oneself daily is important to monitor for fluid retention, a crucial aspect in managing heart failure. Therefore, choices A, C, and D are incorrect as they do not address the specific teaching point related to digoxin and its potential toxicity.
4. 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.
5. A healthcare professional prepares to reinforce instructions to a client who is taking allopurinol (Zyloprim). The healthcare professional plans to include which of the following in the instructions?
- A. Instruct the client to drink 3000 mL of fluid per day.
- B. Instruct the client to take the medication with food.
- C. Inform the client that the effect of the medication will occur immediately.
- D. Instruct the client that, if swelling of the lips occurs, this is a normal expected response.
Correct answer: A
Rationale: Allopurinol is an antigout medication that works by reducing the production of uric acid in the body. To prevent kidney stones and promote the excretion of uric acid, increased fluid intake is essential. Instructing the client to drink 3000 mL of fluid per day helps to reduce the risk of kidney stones and assists in the elimination of uric acid, thereby enhancing the effectiveness of allopurinol therapy.
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