ACBN Trivia 3

Question 1

The glycemic index (GI) measures a food's effect on blood glucose relative to which reference food?

Accepted Answer

White bread or pure glucose

Answer

The glycemic index is standardized against pure glucose (GI = 100) or white bread (GI = 100 in some scales) to compare blood glucose responses.

Question 2

Which organ is the primary site of glycogen storage that serves as a blood-glucose buffer for the rest of the body?

Accepted Answer

Liver

Answer

The liver stores glycogen that can be broken down and released as glucose into the bloodstream to maintain blood glucose levels between meals.

Question 3

Scurvy results from a deficiency of which nutrient that is essential for collagen synthesis?

Accepted Answer

Vitamin C

Answer

Vitamin C (ascorbic acid) is required for hydroxylation of proline and lysine in collagen; deficiency leads to fragile collagen and scurvy.

Question 4

Which type of dietary fiber has been most consistently shown to lower LDL cholesterol levels?

Accepted Answer

Soluble fiber

Answer

Soluble fiber (e.g., beta-glucan in oats, pectin in fruits) binds bile acids in the gut, promoting their excretion and lowering LDL cholesterol.

Question 5

The Dietary Reference Intake (DRI) category that represents the average daily intake sufficient to meet the needs of half the healthy population is called the:

Accepted Answer

Estimated Average Requirement (EAR)

Answer

The EAR is the intake estimated to meet the nutrient requirement of 50% of healthy individuals in a specific age and sex group.

ACBN - Nutritionist Exam Practice Test

ACBN - Nutritionist Exam Practice Test

ACBN Trivia 3