NCLEX-PN
NCLEX Pharmacology Questions Questions
Extract:
Question 1 of 5
A 67-year-old client is to be discharged from the hospital. The client is taking digoxin and furosemide daily. Which instruction is most essential for the nurse to give this client?
Correct Answer: B
Rationale: Furosemide causes potassium loss; orange juice, bananas, and melons are potassium-rich, preventing hypokalemia.
Question 2 of 5
An adult client is receiving lithium 600 mg PO tid for the treatment of bipolar disorder. The client should be taught that it is important to have adequate amounts of which substance?
Correct Answer: B
Rationale: Adequate sodium intake is crucial with lithium to prevent toxicity, as low sodium levels increase lithium retention.
Question 3 of 5
The client is receiving a continuous heparin drip, 20,000 units/500 mL D5W, at 23 mL/min. How many units of heparin is the client receiving an hour?
Correct Answer: 55200
Rationale: Concentration: 20,000 units / 500 mL = 40 units/mL. Rate: 23 mL/min x 60 min/hr = 1,380 mL/hr. Dose: 1,380 mL/hr x 40 units/mL = 55,200 units/hr.
Question 4 of 5
The provider has ordered transdermal nitroglycerin patches for a client. Which of these instructions should be included when teaching a client about how to use the patches?
Correct Answer: B
Rationale: Apply the patch to any non-hairy area of the body. The patch application sites should be rotated.
Question 5 of 5
The nurse in the physician's office is instructing an adult about taking penicillin V potassium (Pen-Vee-K) qid. When should the nurse tell him to take the medicine?
Correct Answer: C
Rationale: Penicillin V potassium should be taken on an empty stomach at six-hour intervals to optimize absorption.