CDN Nutritional Science & Dietetics

Question 1

What is the primary function of carbohydrates in the human body?

Accepted Answer

To provide energy

Answer

To provide essential fatty acids

Answer

To regulate body temperature

Answer

To build muscle tissue

Question 2

Which of the following is a function of proteins in the body?

Accepted Answer

Supporting enzyme and hormone production

Answer

Providing energy only

Answer

Only aiding in digestion

Answer

Storing vitamins

Question 3

What role do vitamins play in metabolism?

Accepted Answer

They help enzymes perform metabolic functions

Answer

They provide energy directly

Answer

They store fat

Answer

They only affect mood

Question 4

How do lipids contribute to metabolism?

Accepted Answer

They store energy, form cell membranes, and produce hormones

Answer

They are only a source of energy

Answer

They produce enzymes

Answer

They are mainly used for muscle repair

Question 5

What is the role of water in metabolism?

Accepted Answer

It regulates body temperature and aids digestion

Answer

It does not affect metabolism

Answer

It only hydrates the skin

Answer

It is used for muscle growth

Question 6

Which metabolic pathway produces ATP in cells?

Accepted Answer

Cellular respiration

Answer

Fermentation

Answer

Photosynthesis

Answer

Lactic acid production

Question 7

How does the body regulate blood sugar levels?

Accepted Answer

By secreting insulin and glucagon to regulate levels

Answer

By increasing glucose intake only

Answer

By increasing fat storage

Answer

By decreasing metabolism

Question 8

What is the purpose of fiber in digestion?

Accepted Answer

To regulate digestion and prevent constipation

Answer

To slow down digestion

Answer

To absorb fats

Answer

To increase calorie absorption

Question 9

Which macronutrient is the body's primary source of quick energy?

Accepted Answer

Carbohydrates

Answer

Proteins

Answer

Fats

Answer

Vitamins