Macro Coach Certification Macronutrient Science Fundamentals 2

Question 1

Which of the following best describes the role of insulin in carbohydrate metabolism?

Accepted Answer

Insulin facilitates glucose uptake into cells and promotes glycogen synthesis, reducing blood glucose levels

Answer

Insulin breaks down glycogen in the liver to release glucose

Answer

Insulin stimulates fat breakdown (lipolysis) during high carbohydrate intake

Answer

Insulin converts amino acids into glucose during a caloric surplus

Question 2

Complete proteins differ from incomplete proteins in that they:

Accepted Answer

Provide all nine essential amino acids in adequate quantities

Answer

Contain more calories per gram

Answer

Are only found in animal sources

Answer

Are absorbed faster than incomplete proteins

Question 3

The Thermic Effect of Food (TEF) refers to:

Accepted Answer

The increase in metabolic rate following food consumption to digest, absorb, and metabolize nutrients

Answer

The temperature at which food must be cooked to prevent bacterial growth

Answer

The calories added to food during cooking

Answer

The rate at which food spoils at room temperature

Question 4

Which type of dietary fat is associated with increased LDL cholesterol and cardiovascular risk when consumed in excess?

Accepted Answer

Saturated fats

Answer

Monounsaturated fats (MUFAs)

Answer

Polyunsaturated omega-3 fatty acids

Answer

Medium-chain triglycerides (MCTs)

Question 5

Glycogen is primarily stored in which two locations in the human body?

Accepted Answer

Liver and skeletal muscle

Answer

Kidneys and pancreas

Answer

Brain and spinal cord

Answer

Adipose tissue and bones

Question 6

Branched-chain amino acids (BCAAs) include leucine, isoleucine, and valine. Which BCAA plays the most critical role in stimulating muscle protein synthesis (MPS)?

Accepted Answer

Leucine

Answer

Valine

Answer

Isoleucine

Answer

All three equally