NCLEX-RN
NCLEX RN Practice Questions Questions
Extract:
Question 1 of 5
Cataracts result in opacity of the crystalline lens. Which of the following best explains the functions of the lens?
Correct Answer: C
Rationale: The lens focuses light rays onto the retina to produce a clear image.
Question 2 of 5
A 3-year-old boy is diagnosed with plumbism. Which of the following information in his chart does the nurse associate with his diagnosis?
Correct Answer: B
Rationale: Plumbism (lead poisoning) is associated with exposure to lead-based paint, common in older homes (e.g., a 70-year-old farmhouse). Other options are unrelated to lead exposure.
Question 3 of 5
The nurse is performing discharge instruction for a client with an implantable permanent pacemaker. What discharge instruction is an essential part of the plan?
Correct Answer: C
Rationale: Clients with pacemakers must monitor their pulse to ensure the device is functioning correctly and to detect irregularities, making pulse-taking an essential discharge instruction.
Question 4 of 5
A client is diagnosed with emphysema and cor pulmonale. Which findings are characteristic of cor pulmonale?
Correct Answer: D
Rationale: Cor pulmonale, right heart failure from lung disease, causes edema of the lower extremities and distended neck veins due to increased venous pressure.
Question 5 of 5
A client seen in the doctor's office for complaints of nausea and vomiting is sent home with directions to follow a clear-liquid diet for the next 24-48 hours. Which of the following is not permitted on a clear-liquid diet?
Correct Answer: C
Rationale: Ice cream is not a clear liquid, as it is opaque and contains dairy.