NCLEX-PN
NCLEX-PN Practice Questions Quizlet Questions
Extract:
The hormone that tends to decrease calcium concentration in the blood is:
Question 1 of 5
Calcitonin
Correct Answer: A
Rationale: Calcitonin, a thyroid gland hormone, prevents the reabsorption of calcium by bone and inhibits the release of calcium from bone, lowering serum calcium levels.
Extract:
Question 2 of 5
The nurse is preparing to administer a dose of warfarin (Coumadin) to a client with atrial fibrillation. The client’s INR is 4.5. The nurse should
Correct Answer: B
Rationale: An INR of 4.5 (therapeutic range: 2–3 for atrial fibrillation) indicates over-anticoagulation, increasing bleeding risk, so the dose should be held and the physician notified. Administering (
A) or reducing (
C) is unsafe, and vitamin K (
D) requires a physician order.
Question 3 of 5
A client who has hypokalemia asks the nurse for dietary advice on what foods would help this problem. What should the nurse tell the client?
Correct Answer: B
Rationale: Oranges, bananas, and prunes are potassium-rich, directly addressing hypokalemia through dietary intake.
Question 4 of 5
An adult is receiving external radiation as part of her treatment for cancer. She asks what precautions are necessary for her to take because of the radiation therapy. The nurse replies that the client should not be around which of the following persons?
Correct Answer: A
Rationale: External radiation poses a risk to pregnant women due to fetal sensitivity to radiation exposure. Sick individuals, pacemaker users, or elderly persons are not specifically at risk.
Question 5 of 5
Oxygen has been ordered for a client who was admitted to the hospital with congestive heart failure. Which assessment finding indicates that the oxygen has been effective?
Correct Answer: B
Rationale: A decreased respiratory rate indicates improved oxygenation, alleviating respiratory distress in congestive heart failure.