NCLEX-PN
NCLEX Pharmacology Questions
Question 1 of 5
The client asks the clinic nurse if he should take 2,000 mg of vitamin C a day to prevent getting a cold. On which scientific rationale should the nurse base the response?
Correct Answer: D
Rationale: Megadoses of vitamin C (>2,000 mg/day) can lead to oxalate crystal formation in urine, increasing kidney stone risk. Evidence for cold prevention is weak, and echinacea or higher doses are not supported.
Question 2 of 5
The nurse is caring for an elderly client who is eight (8) hours postoperative hip replacement and is reporting incisional pain. Which intervention is priority for this client?
Correct Answer: B
Rationale: Pain management is the priority post-op to promote recovery and comfort; lowest dose minimizes side effects in the elderly. Sitting, pupil assessment, or urine output are secondary.
Question 3 of 5
The nurse is preparing to administer Synthroid, a thyroid hormone replacement, to the client diagnosed with hypothyroidism. Which assessment data would indicate the client is receiving too much medication?
Correct Answer: C
Rationale: Excess Synthroid causes hyperthyroidism symptoms like irritability and tachycardia. Bradypnea, lethargy, or constipation suggest hypothyroidism.
Question 4 of 5
The nurse is preparing to administer the morning dose of digoxin, a cardiac glycoside, to a client diagnosed with congestive heart failure. Which data would indicate the medication is effective?
Correct Answer: D
Rationale: Clear lung sounds indicate reduced fluid overload in CHF, a sign of digoxin’s effectiveness in improving cardiac output. HR, nausea, or BP are less specific.
Question 5 of 5
The nurse is administering the loop diuretic furosemide (Lasix) to the client diagnosed with essential hypertension. Which assessment data would warrant the nurse to question administering the medication?
Correct Answer: C
Rationale: Tented skin turgor and dry membranes indicate dehydration, a contraindication for Lasix, which could worsen fluid loss. Normal potassium, output, or weight loss are expected.