Below is an example of a Glucose Tolerance Test (GTT) In the normal subject, wha
ID: 74477 • Letter: B
Question
Below is an example of a Glucose Tolerance Test (GTT)
In the normal subject, what do you expect glucagon and insulin levels to be at the start of the GTT versus at the end of the GTT?
a. At the start: low insulin, low glucagon. At the end: high insulin, high glucagon
b. At the start: low insulin, high glucagon. At the end: high insulin, low glucagon
c. At the start: high insulin, high glucagon. At the end: low insulin, low glucagon
d. At the start: high insulin, low glucagon. At the end: low insulin, high glucagon
e. There is not enough information to make an educated guess.
250 O 200 9 Diabetic subject g 150 C 100 Normal subject 50 2 Time after oral glucose (hr) Fasting plasma glucose concentration 6Explanation / Answer
At end there should be high insulin for normal human without any systmematic problem as glucose level is come down. so option 1 or 2 would be answer . now if high glucagon at start there should be high glucose therfore. but it is normal side i feel. But in option 1 at end it can not be high glucogon and option 2 it can not be high glucagon at start. i will go for option e which says we do not have enough information to make any guess.
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