NCLEX-RN
NCLEX-RN Exam Questions
Extract:
Question 1 of 5
A laboratory technique specific for diagnosing Lyme disease is:
Correct Answer: A
Rationale: Polymerase chain reaction is the laboratory technique specific for Lyme disease. Heterophil antibody test is used to diagnose mononucleosis. Lyme disease does not decrease the serum calcium level. Lyme disease does not increase the serum potassium level.
Question 2 of 5
The nurse is caring for a client with a diagnosis of placenta previa. Which intervention is most appropriate?
Correct Answer: A
Rationale: Placenta previa requires bedrest to minimize bleeding risk by reducing cervical pressure.
Tocolytics are not typically used vaginal delivery is contraindicated and antibiotics are not indicated unless infection is present.
Question 3 of 5
After attending a company picnic, several clients are admitted to the emergency room with E. coli food poisoning. The most likely source of infection is:
Correct Answer: A
Rationale: Undercooked hamburger is a common source of E. coli, particularly E. coli O157:H7, which can contaminate ground beef.
Question 4 of 5
A 55-year-old man is admitted to the hospital with complaints of fatigue, jaundice, anorexia, and clay-colored stools. His admitting diagnosis is 'rule out hepatitis.' Laboratory studies reveal elevated liver enzymes and bilirubin. In obtaining his health history, the nurse should assess his potential for exposure to hepatitis. Which of the following represents a high-risk group for contracting this disease?
Correct Answer: B
Rationale: Oncology nurses are at high risk due to exposure to invasive procedures and potential sources of infection, unlike the other groups listed.
Question 5 of 5
A client with hyperthyroidism is taking Eskalith (lithium carbonate) to inhibit thyroid hormone release. Which complaint by the client should alert the nurse to a problem with the client's medication?
Correct Answer: B
Rationale: Increased thirst and urination suggest lithium toxicity, as lithium can cause polyuria and polydipsia. Blurred vision and weight gain are less specific, and rhinorrhea is unrelated.