NCLEX-RN
NCLEX RN Predictor Exam Questions
Extract:
Question 1 of 5
The client is admitted with a suspected myocardial infarction. Which laboratory value is most specific for confirming the diagnosis?
Correct Answer: A
Rationale: Troponin is the most specific and sensitive marker for myocardial infarction, as it is released during cardiac muscle damage and remains elevated for days. CK, myoglobin, and LDH are less specific.
Question 2 of 5
The nurse is caring for a client with a diagnosis of ectopic pregnancy. Which intervention is most appropriate?
Correct Answer: A
Rationale: Ectopic pregnancy requires surgical intervention (e.g. salpingectomy) or medical management (e.g. methotrexate) to remove the non-viable pregnancy.
Tocolytics fetal monitoring and antibiotics are not appropriate.
Question 3 of 5
The physician prescribes a medical regimen of isoniazid, rifampin, and vitamin B6 for a tuberculosis client. The nurse instructs the client that B6 is given because it:
Correct Answer: D
Rationale: Isoniazid leads to Vitamin B6 deficiency, which is manifested as peripheral neuropathy.
Question 4 of 5
The nurse is caring for a client with a diagnosis of placenta previa. Which physician order should the nurse question?
Correct Answer: B
Rationale: The Kleihauer-Betke test detects fetal blood in maternal circulation typically used in trauma or Rh sensitization not placenta previa. Fetal monitoring , CBC , and IV fluids are appropriate for managing placenta previa which involves painless vaginal bleeding.
Question 5 of 5
The client is admitted with a diagnosis of HELLP syndrome. Which laboratory finding is consistent with this diagnosis?
Correct Answer: C
Rationale: HELLP syndrome (Hemolysis Elevated Liver enzymes Low Platelets) is characterized by elevated liver enzymes and decreased platelet count reflecting liver damage and thrombocytopenia. Both findings are consistent with the diagnosis.