Carbohydrates

Question 1

What is the most common hepatic GSD type with an enzyme deficient in Glucose-6-phosphatase?

a) von Gierke
b) Cori-Forbes
c) Mc Ardle
d) Tarui

Answer 1

a) von Gierke

Question 2

All of the following are hepatic glycogenoses, except:

a) Cori Forbes
b) Andersen
c) Mc Ardle
d) Hers

Answer 2

c) Mc Ardle - Muscle GSD type

Question 3

What is the color product in glucose dehydrogenase method when tetrazolium dye is added?

a) Red
b) Yellow-orange
c) Colorless
d) Blue

Answer 3

d) Blue/Formazan blue

Question 4

It is the reference enzymatic method in glucose measurement:

a) Glucose oxidase
b) Polarographic
c) Peroxidase-coupled
d) Hexokinase

Answer 4

d) Hexokinase

Question 5

Which enzymatic method is most commonly used to glucose POCT?

a) Hexokinase
b) Glucose Dehydrogenase
c) Glucose oxidase
d) All of the above

Answer 5

b) Glucose Dehydrogenase

Question 6

A specimen was drawn on the site of the IV dextrose, what would be the expected plasma glucose value if the IV was contaminated?

a) 400 mg/dL
b) 500 mg/dL
c) 600 mg/dL
d) 1,000 mg/dL

Answer 6

b) 500 mg/dL

Question 7

Earliest indicator of Diabetic Nephropathy

a) HbA1c
b) Fructosamine
c) Albuminuria
d) Microalbuminuria

Answer 7

d) Microalbuminuria

Question 8

Which specimen is used when screening for HbA1c?

a) EDTA plasma
b) EDTA whole blood
c) Either
d) Neither

Answer 8

b) EDTA whole blood

Question 9

In screening for gestational diabetes mellitus, all nondiabetic pregnant woman should be screen at 24-28 weeks of gestation. One-step method has a glucose load of 50 g while two-step method has an initial glucose load of 75 g.

a) Both statements are true
b) Both statements are false
c) 1st statement is true, 2nd statement is false
d) 1st statement is false, 2nd statement is true

Answer 9

c) 1st statement is true, 2nd statement is false

One-step method has a glucose load of 75 g while two-step method has an initial glucose load of 50 g.

Question 10

Which type of DM has an acute complication of increase beta-hydrobutyrate or diabetic ketoacidosis?

a) Type 1 DM
b) Type 2 DM
c) Type 3 DM
d) None of the above

Answer 10

a) Type 1 DM

Question 11

A medical technology intern is assigned to give instructions for fasting patients, what would be the requirement if the test requested is a fasting plasma glucose?

a) Fasting for at least 6 hours, no food except water
b) Fasting for at least 8 hours with carbohydrate intake 3 days prior schedule
c) No fasting requirement
d) Fasting for at least 8 hours, no food or drink except water

Answer 11

d) Fasting for at least 8 hours, no food or drink except water

Question 12

Which type of DM is insulin dependent?

a) Type 1 DM
b) Type 2 DM
c) Type 3 DM
d) None of the choices

Answer 12

a) Type 1 DM

Question 13

All of the following are type 3c DM, except:

a) cystic fibrosis
b) hemochromatosis
c) fibrocalculous
d) auto-immune mediated

Answer 13

d) auto-immune mediated
- type 1a

Question 14

Which type of hypoglycemic disorder occurs after 10 hours without food?

a) Post-prandial
b) Post-absorptive
c) Neurogenic
d) Neuroglycopenic

Answer 14

b) Post-absorptive

Question 15

A type of hypoglycemic that is secondary to insulinoma:

a) Post-prandial
b) Post-absorptive
c) Neurogenic
d) Neuroglycopenic

Answer 15

b) Post-absorptive

Question 16

Which type of hypoglycemic disorder occurs within 4 hours after eating a meal?

a) Post-prandial
b) Post-absorptive
c) Neurogenic
d) Neuroglycopenic

Answer 16

a) Post-prandial

Question 17

What is the major hormone that promotes cellular uptake?

a) Somatostatin
b) Glucagon
c) Insulin
d) Growth hormone

Answer 17

c) Insulin

Question 18

Insulin antagonist hormone

a) Somatostatin
b) Glucagon
c) Insulin
d) Growth hormone

Answer 18

d) Growth hormone

Question 19

A panic value of ≥500 mg/dL is indicative of:

a) Type 1 DM
b) Type 2 DM
c) Whipple’s Triad
d) None of the choices

Answer 19

b) Type 2 DM

Question 20

What is the panic value in Whipple’s triad of hypoglycemia?

a) ≤10 mg/dL
b) ≤20 mg/dL
c) ≤30 mg/dL
d) ≤40 mg/dL

Answer 20

d) ≤40 mg/dL