HESI RN
Pharmacology HESI
1. A client is being monitored while receiving bethanechol chloride (Urecholine) for urinary retention. Which of the following indicates a therapeutic effect of this medication?
- A. Increased heart rate
- B. Increased peristalsis
- C. Passage of flatus
- D. Urinary output of 50 mL per hour
Correct answer: D
Rationale: Bethanechol chloride (Urecholine) is administered to stimulate the bladder and treat urinary retention. The therapeutic effect is indicated by an increased urinary output, as it demonstrates the medication's ability to prompt the bladder to empty. Increased heart rate and passage of flatus are unrelated to the therapeutic effects of bethanechol. Although bethanechol can increase peristalsis, the primary therapeutic goal is to address urinary retention.
2. A client is receiving intravenous gentamicin (Garamycin). Which of the following findings should prompt the nurse to notify the healthcare provider immediately?
- A. Nausea
- B. Hearing loss
- C. Headache
- D. Diarrhea
Correct answer: B
Rationale: Gentamicin (Garamycin) is an aminoglycoside antibiotic known to cause ototoxicity, which can manifest as hearing loss. Hearing loss is a serious adverse effect that should be reported promptly to the healthcare provider to prevent further complications or adjust the treatment regimen. Nausea, headache, and diarrhea are common side effects of gentamicin but are not as severe or urgent as hearing loss in this context.
3. The client has a PRN prescription for ondansetron (Zofran). For which condition should this medication be administered to the postoperative client?
- A. Paralytic ileus
- B. Incisional pain
- C. Urinary retention
- D. Nausea and vomiting
Correct answer: D
Rationale: Ondansetron, also known as Zofran, is an antiemetic medication primarily used to treat nausea and vomiting. In the postoperative setting, it is commonly administered to manage postoperative nausea and vomiting, which are frequent occurrences after surgery. Ondansetron works by blocking serotonin, a natural substance in the body that can trigger nausea and vomiting. It is also utilized to manage chemotherapy-induced nausea and vomiting. Therefore, the correct condition for which ondansetron should be administered to the postoperative client is nausea and vomiting.
4. The nurse provides medication instructions to an older hypertensive client who is taking 20 mg of lisinopril (Prinivil, Zestril) orally daily. The nurse evaluates the need for further teaching when the client states which of the following?
- A. I can skip a dose once a week.
- B. I need to change my position slowly.
- C. I take the pill after breakfast each day.
- D. If I get a bad headache, I should call my doctor immediately.
Correct answer: A
Rationale: Lisinopril should be taken daily as prescribed and not skipped. Skipping doses can lead to ineffective treatment.
5. A client is taking docusate sodium (Colace). The nurse monitors which of the following to determine whether the client is experiencing a therapeutic effect from this medication?
- A. Abdominal pain
- B. Reduction in steatorrhea
- C. Hematest-negative stools
- D. Regular bowel movements
Correct answer: D
Rationale: The therapeutic effect of docusate sodium (Colace) is to soften stools and promote regular bowel movements, making option D the correct choice. Monitoring for regular bowel movements would indicate that the medication is working as intended by relieving or preventing constipation. Options A, B, and C are not directly related to the therapeutic effect of docusate sodium. Abdominal pain (option A) is a symptom that might indicate a problem rather than a therapeutic effect. Reduction in steatorrhea (option B) and Hematest-negative stools (option C) are not specific outcomes associated with docusate sodium.
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