OGT Patient Preparation and Pre-Test Requirements 2

Question 1

Why is it important that the glucose load for an OGTT is consumed within a specific time window?

Accepted Answer

To standardize absorption rate for accurate results

Answer

Consuming the glucose solution within 5 minutes standardizes the rate of absorption, ensuring consistent and comparable test results.

Question 2

Which of the following illnesses would warrant postponing an OGTT?

Accepted Answer

Acute febrile illness

Answer

Acute illness can cause stress-related hyperglycemia, which would invalidate OGTT results; the test should be rescheduled.

Question 3

What is the standard glucose load given to a non-pregnant adult during an OGTT?

Accepted Answer

75 g

Answer

The standard OGTT for non-pregnant adults uses a 75 g oral glucose load dissolved in water.

Question 4

Which instruction regarding water intake during the OGTT fasting period is correct?

Accepted Answer

Plain water is permitted

Answer

Plain water is allowed during the fasting period and throughout the test, as it does not affect glucose metabolism.

Question 5

For how long after glucose ingestion are blood draws typically taken in a standard 2-hour OGTT?

Accepted Answer

120 minutes

Answer

In the standard 2-hour OGTT, blood is drawn at fasting baseline and again at 120 minutes post-ingestion.

OGT - Oral Glucose Tolerance Practice Test