Free PN NCLEX Practice Questions Related

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A nurse is caring for a patient with diabetes mellitus who is scheduled for surgery. Which of the following is the most important preoperative assessment?

  • A. Blood glucose level.
  • B. Electrolyte levels.
  • C. Complete blood count (CBC).
  • D. Urinalysis.
Correct Answer: A

Rationale: Blood glucose control is critical preoperatively in diabetes to prevent complications like wound infections or ketoacidosis. Electrolytes, CBC, and urinalysis are important but secondary, as glucose directly impacts surgical outcomes.