18. Glucose in the blood - tests with overload: two hours postprandial test and oral glucose tolerance test (GTT)

Question 1

What is a Post Prandial Glucose Test?

Answer 1

2hrs AFTER Person eats a Meal

HIGH in Carbohydrates

Question 2

What is the Purpose of a Post Prandial Glucose Test?

Answer 2

Calculate Body’s Insulin Reaction

TO Carbohydrate Ingestion

Which PEAKS 2 hrs AFTER the Meal Challenge

Question 3

What are the Eating Requirements of the Post Prandial Glucose Test?

Answer 3

Balanced Meal

Including AT LEAST 100g of Carbs

Question 4

What is the Reference Range for a Post Prandial Glucose Test?

Answer 4

Normal BGL 2hrs AFTER eating

LESS than 7.8 mmol / L

Question 5

What is the Oral Glucose Tolerance Test, OGTT?

Answer 5

Determine the Body’s Ability to Handle Glucose

Question 6

How is the Oral Glucose Tolerance Test, OGTT, Conducted?

Answer 6

1) Person FASTS OVERNIGHT
2) Fasting Blood Glucose is Tested 1st
3) Person Receives 75g of Glucose
4) Blood Samples are taken up-to 4x times

Question 7

How is the Oral Glucose Tolerance Test, OGTT, Conducted, with Pregnant Women?

Answer 7

Given 50g of Glucose

INSTEAD of 75g

Question 8

What is the Normal Fasting Blood Glucose Level?

Answer 8

LESS than 6.1 mmol / L

Question 9

What is the IMPAIRED Fasting Blood Glucose Level?

Answer 9

6.2 - 7 mmol / L

Question 10

What is the ABNORMAL Fasting Blood Glucose Level?

Answer 10

MORE than 7 mmol / L

Question 11

What is the Normal Blood Glucose Level, After 1 HOUR?

Answer 11

LESS than 8.9 mmol / L

Question 12

What is the IMPAIRED Blood Glucose Level, After 1 HOUR?

Answer 12

UP TO 10.9 mmol / L

Question 13

What is the ABNORMAL Blood Glucose Level, After 1 HOUR?

Answer 13

MORE than 11 mmol / L

Question 14

What is the Normal Blood Glucose Level, After 2 HOURS?

Answer 14

LESS than 7.8 mmol / L

Question 15

What is the IMPAIRED Blood Glucose Level, After 2 HOURS?

Answer 15

7.8 - 11.1 mmol / L

Question 16

What is the ABNORMAL Blood Glucose Level, After 2 HOURS?

Answer 16

MORE than 11.1 mmol / L

Question 17

What are the Errors in a Post Prandial Glucose Test?

Answer 17

Have Illnesses / Cold

Physically Inactive

Take Meds that affect BGL

Drinking Coffee / Smoking in MORNING

Question 18

Which Medications can INCREASE Blood Glucose Levels?

Answer 18

Birth Control Pills

Corticosteroids

Question 19

Which Medications can DECREASE Blood Glucose Levels?

Answer 19

Aceteaminophen

Alcohol

Question 20

What are the Indications of a Glucose Tolerance Test?

Answer 20

IF Fasting Blood Glucose Level

5.6 - 6.9 mmol / L

Question 21

What are the Outcomes of a Glucose Tolerance Test?

Answer 21

1. Normal Glucose Tolerance
2. DECREASED Glucose Tolerance = BGL peaks SHARPLY before declining than usual i.e. Diabetes Mellitus
3. INCREASED Glucose Tolerance = Malabsorption Syndrome; Insulinoma