HESI RN
Pharmacology HESI
1. A client with a prescription to take theophylline (Theo-24) daily has been given medication instructions by the nurse. The nurse determines that the client needs further information about the medication if the client states that he or she will:
- A. Drink at least 2 L of fluid per day.
- B. Take the daily dose at bedtime.
- C. Avoid changing brands of the medication without health care provider (HCP) approval.
- D. Avoid over-the-counter (OTC) cough and cold medications unless approved by the HCP.
Correct answer: B
Rationale: The correct answer is B. Taking theophylline at bedtime is inappropriate because it can cause insomnia. The medication should be taken early in the morning to avoid disrupting sleep patterns. It is important to follow the healthcare provider's instructions regarding the timing of the medication to achieve optimal therapeutic effects.
2. A client with diabetes mellitus is prescribed Humulin NPH insulin. The client asks the nurse how to store unopened vials of insulin. The nurse instructs the client to:
- A. Freeze the insulin.
- B. Refrigerate the insulin.
- C. Store the insulin in a dark, dry place.
- D. Keep the insulin at room temperature.
Correct answer: B
Rationale: Unopened vials of insulin should be stored in the refrigerator until needed. Freezing insulin can damage it, affecting its efficacy. Storing insulin in a dark, dry place or at room temperature is not recommended as it can lead to degradation of the insulin. Refrigeration helps maintain the stability and effectiveness of insulin.
3. A client is instructed to take levothyroxine (Synthroid). The medication should be taken:
- A. With food
- B. At lunchtime
- C. On an empty stomach
- D. At bedtime with a snack
Correct answer: C
Rationale: Levothyroxine should be taken on an empty stomach to enhance absorption. Taking it with food or at bedtime can interfere with its absorption, reducing its effectiveness. Therefore, it is essential for the client to take levothyroxine on an empty stomach to ensure optimal therapeutic outcomes.
4. 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.
5. A client is receiving intravenous heparin for a deep vein thrombosis. The healthcare provider should monitor the client for which of the following potential complications?
- A. Hypertension
- B. Tachycardia
- C. Bleeding
- D. Hyperkalemia
Correct answer: C
Rationale: Heparin is an anticoagulant, so the primary potential complication is bleeding. The healthcare provider should monitor the client for signs of bleeding, such as bruising, hematuria, and gastrointestinal bleeding. Hypertension, tachycardia, and hyperkalemia are not direct complications of heparin therapy. Therefore, the correct answer is bleeding, as it is the most significant risk associated with heparin administration.
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