Q: Calculate the glycemic load of a food containing 30g of carbohydrate and a glycemic index of 60. Use the formula $$\text{Glycemic Load} = \frac{\text{grams of CHO} \times \text{glycemic index}}{100}.$$

$$\text{Glycemic Load} = \frac{30 \times 60}{100} = 18$$

Q: A meal contains 50g of carbohydrate and has a glycemic index of 40. What is the glycemic load? Use $$\text{Glycemic Load} = \frac{\text{grams of CHO} \times \text{glycemic index}}{100}.$$

$$\text{Glycemic Load} = \frac{50 \times 40}{100} = 20$$

Question 1

Which enzyme is responsible for initiating carbohydrate digestion in the mouth?

Accepted Answer

Salivary amylase

Question 2

After absorption, most monosaccharides are converted to which molecule by the liver?

Accepted Answer

Glucose

Question 3

Which hormone is released by the pancreas in response to a rise in blood glucose levels?

Accepted Answer

Insulin

Question 4

What is the primary function of insulin in carbohydrate metabolism?

Accepted Answer

Promotes glucose uptake by cells

Question 5

Which process describes the breakdown of glycogen to release glucose?

Accepted Answer

Glycogenolysis

Question 6

A patient consumes a meal high in fiber and fat. How will this affect the glycemic index of the meal?

Accepted Answer

It will decrease the glycemic index

Question 7

Which of the following is TRUE regarding fructose metabolism?

Accepted Answer

Fructose is absorbed farther down the small intestine

Question 8

Calculate the glycemic load of a food containing 30g of carbohydrate and a glycemic index of 60. Use the formula $$	ext{Glycemic Load} = \frac{	ext{grams of CHO} 	imes 	ext{glycemic index}}{100}.$$

Accepted Answer

$$	ext{Glycemic Load} = \frac{30 	imes 60}{100} = 18$$

Question 9

Which enzyme is found in the microvilli of the small intestine and is responsible for converting maltose to glucose?

Accepted Answer

Maltase

Question 10

A person with lactose intolerance lacks which enzyme in their small intestine?

Accepted Answer

Lactase

Question 11

Which of the following best describes the role of glucagon in blood glucose regulation?

Accepted Answer

Triggers breakdown of glycogen in the liver

Question 12

If a person’s blood glucose drops below normal, which sequence of events is most likely to occur?

Accepted Answer

Glucagon is released, stimulating glycogenolysis

Question 13

Which of the following foods is most likely to have a low glycemic load?

Accepted Answer

Oatmeal with berries

Question 14

Which process describes the conversion of excess glucose into glycogen for storage?

Accepted Answer

Glycogenesis

Question 15

A patient with diabetes is advised to eat foods with a low glycemic index. Why?

Accepted Answer

Low glycemic index foods help prevent significant blood glucose fluctuations

Question 16

Which of the following statements about carbohydrate absorption is correct?

Accepted Answer

Monosaccharides are absorbed into enterocytes before entering the bloodstream

Question 17

Which hormone acts as the 'key' to unlock cells for glucose entry?

Accepted Answer

Insulin

Question 18

Which of the following is NOT a factor that impacts the glycemic index of a food?

Accepted Answer

The amount of protein in the food

Question 19

A meal contains 50g of carbohydrate and has a glycemic index of 40. What is the glycemic load? Use $$	ext{Glycemic Load} = \frac{	ext{grams of CHO} 	imes 	ext{glycemic index}}{100}.$$

Accepted Answer

$$	ext{Glycemic Load} = \frac{50 	imes 40}{100} = 20$$

Carbohydrate Digestion, Absorption, and Blood Glucose Regulation

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