The Patient Believed to Have Acromegaly Asks the Purpose of the Diagnostic

The patient believed to have acromegaly asks the purpose of the diagnostic glucose-tolerance test (GTT) .The nurse responds by saying that:

A) "The doctor wants to know if you have either diabetes or acromegaly."
B) "The growth hormone will cause the glucose to be used up very quickly during the test."
C) "It measures the growth hormone in the presence of oral glucose levels at specified times."
D) "It tells whether your thyroid reacts to the high levels of sugar taken during this test."