OGT Glucose Values and Reference Ranges 2

Question 1

Which fasting glucose level during OGTT confirms diabetes without further testing?

Accepted Answer

≥126 mg/dL

Answer

≥100 mg/dL

Answer

≥110 mg/dL

Answer

≥140 mg/dL

Question 2

What plasma glucose value defines reactive hypoglycemia during an extended OGTT?

Accepted Answer

<70 mg/dL within 4 hours of glucose load

Answer

<100 mg/dL at 2 hours

Answer

<110 mg/dL at 3 hours

Answer

<80 mg/dL at 1 hour

Question 3

In which unit does the WHO express glucose values when reporting OGTT results internationally?

Accepted Answer

mmol/L

Answer

mg/dL

Answer

mg/L

Answer

g/dL

Question 4

A 1-hour plasma glucose of 209 mg/dL during a 75 g OGTT in a non-pregnant adult is:

Accepted Answer

Used in combination with fasting and 2-hour values for diagnosis

Answer

Diagnostic of diabetes on its own

Answer

Consistent with normal glucose tolerance

Answer

A standalone criterion for impaired glucose tolerance

Question 5

What is the normal 2-hour plasma glucose value during an OGTT?

Accepted Answer

<140 mg/dL

Answer

<100 mg/dL

Answer

<120 mg/dL

Answer

<160 mg/dL

Question 6

Which of the following best describes the term 'glucose tolerance'?

Accepted Answer

The body's ability to regulate blood glucose after a carbohydrate load

Answer

The amount of glucose a patient can drink

Answer

The rate at which glucose is absorbed by the intestine

Answer

The kidney threshold for glucose excretion