Carbohydrates Flashcards
How will taking megadoses of ascorbic acid affect glucose determination by the glucose oxidase method?
It will give falsely decreased glucose levels
Hyperglycemic factor produced by the pancreas is
Glucagon
In order to loosen the clot prior to glucose measurement, “ringing” & “trimming” is done before centrifugation of blood.
True or false
False
What are the reaction products when glucose is oxidized by glucose oxidase?
Gluconic acid and H2O2
Polarographic methods for glucose assays are based on which principle?
Measure of the rate of oxygen depletion
Which of the following hormones promote gluconeogenesis?
Hydrocortisone
the enzyme most specific for 𝛃-D glucose
GOD
In what form is glucose stored in muscle and liver?
Glycogen
Following the 1997 ADA guidelines, the number of times of measurement for plasma glucose levels during OGTT in non-pregnant patients are
Fasting and 2 hrs
Which is the coupling enzyme in the HK method for glucose determination?
G-6-PD
Hexokinase catalyzes formation of ____ from glucose and ATP
G-6-PO4
What is the preferred specimen for glucose analysis?
Fluoride oxalate plasma
All of the following are characteristics of von Gierke disease except:
Hypolipidemia
What process generates glucose during periods of starvation
Gluconeogenesis
Of the following blood glucose, which would you expect to result in glucose in the urine?
225 mg%
