A client is scheduled for an oral glucose tolerance test. What should the nurse teach?

A. Eat a high-sugar breakfast that morning
B. Smoke during the test to stay calm
C. Exercise during the test
D. Fast for at least 8 hours before the test

Show answer and rationale

Correct answer: D

The OGTT is done after an overnight fast. During the test, clients stay seated and avoid eating, smoking, and exercise.

Source: ADA. Standards of Care in Diabetes, Section 2 (diagnosis)

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A client is scheduled for an oral glucose tolerance test. What should the nurse teach?

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