NCLEX-RN
NCLEX RN Practice Test Questions
Extract:
Question 1 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 strains like O157:H7, which can contaminate ground beef.
Question 2 of 5
A client is being assessed for neutropenia. The client's total white blood cell count is 5200 with 45% neutrophils and 5% bands. What is the absolute neutrophil count (ANC)? Record your answer using a whole number.
Correct Answer: 2600
Rationale: ANC = WBC X (Neutrophils% + Bands%) = 5200 X (0.45 + 0.05) = 5200 X 0.5 = 2600.
Question 3 of 5
When applying the leads for a 12-lead electrocardiogram, the nurse places V1 and V2 at the fourth intercostal space to the right and left of the sternum. Which of the remaining leads is placed at the fifth intercostal space on the left midclavicular line?
Correct Answer: B
Rationale: Lead V4 (
B) is placed at the fifth intercostal space on the left midclavicular line in a 12-lead ECG.
Question 4 of 5
The nurse is teaching a client with chronic kidney disease about dietary restrictions. Which of the following foods should the client limit to prevent hyperkalemia?
Correct Answer: B
Rationale: potatoes are high in potassium, which should be limited in chronic kidney disease to prevent hyperkalemia
Question 5 of 5
Which of the following findings would be expected in the infant with biliary atresia?
Correct Answer: C
Rationale: Biliary atresia causes abdominal distention due to bile accumulation and poor weight gain due to malabsorption.