NCLEX-RN
Practice NCLEX RN Test Questions
Extract:
Question 1 of 5
An infant with a ventricular septal defect is discharged with a prescription for lanoxin elixir 0.01 mg PO q 12 hrs. The bottle is labeled 0.10 mg per 1/2 tsp. The nurse should instruct the mother to:
Correct Answer: B
Rationale: The calibrated dropper ensures accurate dosing of Lanoxin (digoxin), critical for preventing toxicity in infants.
Question 2 of 5
A client with cystic fibrosis is taking pancreatic enzymes. The nurse should administer this medication:
Correct Answer: B
Rationale: Pancreatic enzymes are taken with meals to aid digestion, as cystic fibrosis impairs pancreatic enzyme production.
Question 3 of 5
The physician has ordered cultures for cytomegalovirus (CMV). Which statement is true of the collection of cultures for cytomegalovirus?
Correct Answer: D
Rationale: Fresh specimens are critical for accurate CMV culture results, as the virus is labile and degrades quickly.
Question 4 of 5
The physician has ordered intubation and mechanical ventilation for a client with periods of apnea following a closed head injury. Arterial blood gases reveal a pH of 7.47, PCO2 of 28, and HCO3 of 23. These findings indicate that the client has:
Correct Answer: B
Rationale: A pH of 7.47 and PCO2 of 28 indicate respiratory alkalosis, likely due to hyperventilation from the head injury.
Question 5 of 5
The mother of a child with chickenpox wants to know if there is a medication that will shorten the course of the illness. Which medication is sometimes used to speed healing of the lesions and shorten the duration of fever and itching?
Correct Answer: A
Rationale: Acyclovir can reduce the severity and duration of chickenpox symptoms if started early, particularly in high-risk patients.