Clinical Nutritionist CCN Macronutrients and Metabolism 3

Question 1

Which of the following is the primary storage form of carbohydrates in the human body?

Accepted Answer

Glycogen

Answer

Glucose

Answer

Starch

Answer

Fructose

Question 2

What is the caloric density of dietary fat per gram?

Accepted Answer

9 kcal/g

Answer

4 kcal/g

Answer

7 kcal/g

Answer

3 kcal/g

Question 3

Which enzyme initiates the digestion of dietary starch in the mouth?

Accepted Answer

Salivary amylase

Answer

Pancreatic lipase

Answer

Pepsin

Answer

Sucrase

Question 4

What is the main clinical consequence of essential fatty acid deficiency in adults?

Accepted Answer

Scaly dermatitis and impaired wound healing

Answer

Night blindness

Answer

Peripheral neuropathy

Answer

Megaloblastic anemia

Question 5

Which metabolic process converts amino acids to keto acids and transfers the amino group to alpha-ketoglutarate?

Accepted Answer

Transamination

Answer

Deamination

Answer

Decarboxylation

Answer

Hydroxylation

Question 6

Which type of dietary fiber has been shown to lower LDL cholesterol by binding bile acids in the intestine?

Accepted Answer

Soluble fiber (e.g., beta-glucan, pectin)

Answer

Insoluble fiber (e.g., cellulose)

Answer

Resistant starch

Answer

Lignin