ACBN ACBN Nutrition Science Fundamentals

Question 1

Which macronutrient provides 4 kcal per gram and serves as the primary energy source for the brain?

Accepted Answer

Carbohydrates

Answer

Protein

Answer

Fat

Answer

Alcohol

Question 2

The Recommended Dietary Allowance (RDA) for protein in healthy adults is approximately:

Accepted Answer

0.8 g/kg body weight/day

Answer

1.5 g/kg body weight/day

Answer

0.4 g/kg body weight/day

Answer

2.0 g/kg body weight/day

Question 3

Which vitamin is synthesized in the skin upon exposure to ultraviolet B (UVB) radiation?

Accepted Answer

Vitamin D

Answer

Vitamin K

Answer

Vitamin A

Answer

Vitamin C

Question 4

The process by which fatty acids are broken down to produce acetyl-CoA for energy is called:

Accepted Answer

Beta-oxidation

Answer

Lipogenesis

Answer

Glycolysis

Answer

Gluconeogenesis

Question 5

Which mineral is a cofactor for over 300 enzymatic reactions and is found abundantly in nuts and whole grains?

Accepted Answer

Magnesium

Answer

Calcium

Answer

Iron

Answer

Zinc

Question 6

The thermic effect of food (TEF) accounts for approximately what percentage of total daily energy expenditure?

Accepted Answer

10%

Answer

25%

Answer

5%

Answer

40%