ACBN Practice Questions 4

Question 1

A client with iron-deficiency anemia should be advised to enhance non-heme iron absorption by consuming iron-rich plant foods alongside which nutrient?

Accepted Answer

Vitamin C

Answer

Vitamin C (ascorbic acid) converts ferric iron (Fe³⁺) to ferrous iron (Fe²⁺) and forms a chelate that enhances absorption of non-heme iron from plant sources.

Question 2

Which condition is characterized by a triad of osteoporosis, amenorrhea, and disordered eating in female athletes?

Accepted Answer

Female Athlete Triad

Answer

The Female Athlete Triad describes the interrelated syndrome of low energy availability, menstrual dysfunction, and low bone mineral density seen in female athletes.

Question 3

The glycemic index (GI) of a food is determined by comparing the blood glucose response to a 50g carbohydrate portion against a reference food. What is the standard reference food used?

Accepted Answer

White bread or pure glucose

Answer

The GI is standardized against pure glucose (GI = 100) or white bread (GI = 100), with the glucose reference being the most internationally accepted standard.

Question 4

During critical illness, skeletal muscle breakdown accelerates to provide amino acids for what primary purpose?

Accepted Answer

Gluconeogenesis and acute-phase protein production

Answer

In critical illness, elevated cortisol and cytokines drive muscle catabolism to supply glucogenic amino acids for gluconeogenesis and substrates for hepatic acute-phase protein synthesis.

Question 5

Which dietary pattern is associated with the Mediterranean diet's cardioprotective effects, characterized by high intake of olive oil and low intake of saturated fat?

Accepted Answer

High ratio of monounsaturated to saturated fat

Answer

The Mediterranean diet's cardioprotective effect is largely attributed to its high monounsaturated fat content from olive oil and low saturated fat, improving the lipid profile.

ACBN - Nutritionist Exam Practice Test

ACBN - Nutritionist Exam Practice Test

ACBN Practice Questions 4