HESI LPN
Pharmacology HESI 55 Questions 2023
1. What class of laxative would the nurse recommend to a patient asking about the best way to prevent constipation?
- A. Stimulant laxatives
- B. Bulk-forming laxatives
- C. Emollient laxatives
- D. Hyperosmotic laxatives
Correct answer: B
Rationale: The correct answer is B: Bulk-forming laxatives. These laxatives are recommended to prevent constipation because they work by absorbing liquid in the intestines, forming a bulky, soft stool that is easier to pass. They are safe and considered the most natural option. Stimulant laxatives (choice A) work by promoting bowel movements through intestinal contractions and are more suitable for treating occasional constipation rather than preventing it. Emollient laxatives (choice C) soften the stool by increasing the incorporation of water into the feces and are more suitable for patients who need to avoid straining during defecation. Hyperosmotic laxatives (choice D) work by drawing water into the intestine through osmosis and are typically used for more severe cases of constipation, not for prevention.
2. A client with hypertension is prescribed atenolol. The nurse should monitor for which potential side effect?
- A. Bradycardia
- B. Tachycardia
- C. Dry mouth
- D. Hypotension
Correct answer: A
Rationale: When a client is prescribed atenolol, a beta-blocker, the nurse should monitor for bradycardia, which is a potential side effect. Atenolol works by slowing the heart rate, so monitoring the client's heart rate is essential to detect and manage bradycardia promptly.
3. A client with schizophrenia is prescribed risperidone. Which statement by the client indicates the need for further teaching?
- A. I can stop taking this medication once I feel better.
- B. This medication may cause drowsiness.
- C. This medication might make me feel drowsy.
- D. I should avoid alcohol while taking this medication.
Correct answer: A
Rationale: Clients should not stop taking risperidone abruptly once they feel better without consulting their healthcare provider.
4. A home health care nurse observes that a client with Parkinson's syndrome is experiencing increased tremors and difficulty in movement. What should the nurse do in response to this finding?
- A. Report the observed finding to the healthcare provider right away
- B. Arrange a medical evaluation so the medication dose can be adjusted
- C. Schedule a return home visit in 2 weeks to monitor
- D. Explain that this is an expected progression of Parkinson's
Correct answer: B
Rationale: In a client with Parkinson's syndrome experiencing increased tremors and movement difficulty, arranging a medical evaluation is crucial to adjust the medication dose. This proactive approach helps in managing the symptoms effectively. Reporting the finding to the healthcare provider may delay necessary adjustments in treatment. Scheduling a return home visit in 2 weeks may not address the immediate need for medication adjustment. Explaining that the progression is expected without taking action does not address the client's worsening symptoms.
5. The healthcare provider is evaluating the effectiveness of metaproterenol for how do you know it's been effective?
- A. Increased heart rate and blood pressure
- B. Decreased white blood cell count
- C. Decreased wheezing upon auscultation
- D. Decreased respiratory rate
Correct answer: C
Rationale: The effectiveness of metaproterenol, a bronchodilator, is assessed by a decrease in wheezing upon auscultation. Wheezing indicates airway constriction, and a reduction in wheezing signifies improved airflow and bronchodilation due to the medication's action. Therefore, choices A, B, and D are incorrect as they do not directly relate to the expected outcome of metaproterenol therapy.
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