$$\mathrm{Glucose} \xrightarrow{\text{Glycogenesis}} \mathrm{Glycogen}$$

Question 1

Which enzyme is responsible for the initial breakdown of starch in the mouth during carbohydrate digestion?

Accepted Answer

Salivary amylase

Question 2

In which part of the gastrointestinal tract does carbohydrate digestion resume after being halted in the stomach?

Accepted Answer

Small intestine

Question 3

Which of the following equations correctly represents the hydrolysis of maltose by maltase?

Accepted Answer

$$\mathrm{Maltose} + \mathrm{Water} \rightarrow 2\ \mathrm{Glucose}$$

Question 4

A patient with lactose intolerance is advised to avoid which of the following?

Accepted Answer

Foods containing lactose

Question 5

Which process occurs in the liver when blood glucose levels drop too low?

Accepted Answer

Glycogenolysis

Question 6

After a high-carbohydrate meal, which process is primarily responsible for storing excess glucose in the liver?

Accepted Answer

Glycogenesis

Question 7

Which of the following best describes the role of pancreatic amylase in carbohydrate digestion?

Accepted Answer

It resumes starch breakdown in the small intestine after the stomach.

Question 8

Which of the following is the correct sequence for starch breakdown in the gastrointestinal tract?

Accepted Answer

Starch $$\rightarrow$$ maltose $$\rightarrow$$ glucose

Question 9

Which of the following statements best explains why fructose and galactose are converted into glucose by the liver?

Accepted Answer

Glucose is the preferred energy source for most body cells.

Question 10

A person consumes a lactose-free diet but still experiences symptoms of lactose intolerance. Which is the most likely explanation?

Accepted Answer

They are consuming hidden sources of lactose in processed foods.

Question 11

Which of the following equations represents the conversion of excess glucose to glycogen in the liver?

Accepted Answer

$$\mathrm{Glucose} \xrightarrow{	ext{Glycogenesis}} \mathrm{Glycogen}$$

Question 12

Which enzyme is responsible for breaking down sucrose into its monosaccharide components?

Accepted Answer

Sucrase

Question 13

Which of the following is NOT a symptom of lactose intolerance?

Accepted Answer

Constipation

Question 14

Which process describes the formation of glucose from non-carbohydrate sources in the liver?

Accepted Answer

Gluconeogenesis

Question 15

If a person’s blood glucose level is too high, which process will occur to help lower it?

Accepted Answer

Glycogenesis

Question 16

Which of the following statements best describes mechanical breakdown in the mouth?

Accepted Answer

It refers to chewing, which physically breaks food into smaller pieces.

Question 17

Which of the following is the correct formula for the hydrolysis of sucrose?

Accepted Answer

$$\mathrm{Sucrose} + \mathrm{Water} \rightarrow \mathrm{Glucose} + \mathrm{Fructose}$$

Question 18

Which of the following is a correct statement about carbohydrate digestion in the large intestine?

Accepted Answer

Some fiber is fermented by bacteria.

Question 19

Which of the following is the main reason why glucose is released into the bloodstream after a meal?

Accepted Answer

To provide immediate energy to body cells.

Question 20

A person with lactose intolerance can safely consume which of the following?

Accepted Answer

Lactose-free milk

Carbohydrate Digestion and Metabolism: Key Concepts for Nutrition Students

Study Guide - Practice Questions