Nokea
A nurse is providing teaching to a client who is starting Simvastatin. Which of the following information should the nurse include in the teaching?
- A. Take this medication in the evening.
- B. Change position slowly when rising from a chair.
- C. Maintain a steady intake of green leafy vegetables.
- D. Consume no more than 1 L/day of fluid
Correct Answer: A
Rationale: Simvastatin is taken in the evening when cholesterol synthesis peaks.
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The ganglion blocking drugs act by
- A. Competing with acetylcholine at neuromuscular junctions
- B. Preventing release of acetylcholine
- C. Preventing nerve conduction in post ganglionic segment
- D. Preventing catecholamine release or inactivating it
Correct Answer: B
Rationale: Ganglion blockers (e.g., hexamethonium) prevent acetylcholine release at ganglia.
Teaching the patient/caregiver about her or his medications is an important step in reducing the risk of medication errors. What is an important teaching point about medications?
- A. Speak up and ask questions.
- B. Store medications in a warm humid place.
- C. Adjust your medication according to how you feel
- D. take medication wen in pain
Correct Answer: A
Rationale: Asking questions and keeping a medication list empower patients to reduce errors; warm storage and self-adjustment are incorrect.
A 22-year-old patient calls the clinic and tells the nurse that she has been depressed and is thinking about taking St. John's wort but wants to know if it is safe first. The nurse begins by questioning what other medications the patient takes and would be concerned about a drug-alternative drug interaction if the patient is also taking what type of medication?
- A. Antihistamines
- B. Analgesics
- C. Antibiotics
- D. Oral contraceptives
Correct Answer: D
Rationale: St. John's wort can interact with oral contraceptives that alter drug metabolism, which can decrease the effectiveness of the contraceptive. Analgesics, antibiotics, and antihistamines can be taken in combination with St. John's wort without known adverse effects.
Beta blockers are the drugs of choice for exertional angina because they:
- A. Improve myocardial oxygen supply by vasodilating the coronary arteries
- B. Decrease myocardial oxygen demand by decreasing heart rate and vascular resistance
- C. Both 1 and 2
- D. Neither 1 nor 2
Correct Answer: B
Rationale: Beta blockers reduce oxygen demand by lowering heart rate and resistance, not by vasodilation.
Which of the following drugs can be used in cases of beta blocker overdose?
- A. Glucagon
- B. Flumazenil
- C. Deferoxamine
- D. Naloxone
Correct Answer: A
Rationale: Glucagon increases cardiac contractility via a non-beta receptor pathway, making it effective in beta-blocker overdose.