NCLEX-RN
Practice NCLEX RN Test Questions
Extract:
Question 1 of 5
The physician has prescribed Cobex (cyanocobalamin) for a client following a gastric resection. Which lab result indicates that the medication is having its intended effect?
Correct Answer: B
Rationale: Cyanocobalamin (vitamin B12) treats pernicious anemia post-gastric resection; a hemoglobin of 14.2 g indicates effective correction of anemia.
Question 2 of 5
The nurse is reviewing labs on a group of adult clients. Which lab value would prompt the nurse to immediately notify the health care provider?
Correct Answer: A
Rationale: Hemoglobin of 4.8 g/dL is critically low, indicating severe anemia and requiring immediate provider notification. Other values are normal or near-normal.
Question 3 of 5
A client on a mechanical ventilator begins to fight the ventilator. Which medication will be ordered for the client?
Correct Answer: B
Rationale: Pavulon, a neuromuscular blocker, is used to paralyze respiratory muscles in clients fighting the ventilator, ensuring effective ventilation.
Question 4 of 5
A client is admitted with symptoms of vertigo and syncope. Diagnostic tests indicate left subclavian artery obstruction. What additional findings would the nurse expect?
Correct Answer: C
Rationale: Subclavian artery obstruction can cause reduced blood flow to the arm, leading to radial pulse differences between arms, a hallmark of conditions like subclavian steal syndrome.
Question 5 of 5
The client is admitted to the chemical dependence unit with an order for continuous observation. The nurse is aware that the doctor has ordered continuous observation because:
Correct Answer: B
Rationale: Continuous observation is needed due to the altered perception caused by hallucinogens, which can lead to unsafe behaviors.