Clinical Nutritionist CCN General 4

Question 1

A client following a strict vegan diet is at highest risk for deficiency of which vitamin that cannot be obtained from plant foods?

Accepted Answer

Vitamin B12

Answer

Vitamin B12 is found almost exclusively in animal-derived foods; vegans must supplement or consume fortified foods to meet requirements.

Question 2

Which type of dietary fiber is most effective at lowering LDL cholesterol through bile acid sequestration?

Accepted Answer

Soluble viscous fiber such as beta-glucan

Answer

Soluble viscous fibers like beta-glucan (oats) bind bile acids in the gut, reducing cholesterol reabsorption and lowering LDL levels.

Question 3

During a nutritional assessment, the clinical nutritionist measures a patient's mid-upper arm circumference (MUAC). This measurement primarily reflects which body compartment?

Accepted Answer

Skeletal muscle and subcutaneous fat in the arm

Answer

MUAC reflects the combined mass of skeletal muscle and subcutaneous fat in the upper arm and is used as a proxy for protein-energy nutritional status.

Question 4

A patient recovering from major surgery is placed on parenteral nutrition. Which electrolyte complication is most associated with refeeding syndrome in severely malnourished patients?

Accepted Answer

Hypophosphatemia

Answer

Refeeding syndrome is characterized by a dangerous drop in serum phosphate as insulin surges drive phosphate intracellularly during carbohydrate metabolism.

Question 5

Which of the following describes the Mifflin-St Jeor equation's primary clinical use?

Accepted Answer

Calculating resting metabolic rate for energy needs assessment

Answer

The Mifflin-St Jeor equation estimates resting metabolic rate (RMR) using height, weight, age, and sex, and is widely used to set caloric targets.

Clinical Nutritionist CCN Practice Test

Clinical Nutritionist CCN Practice Test

Clinical Nutritionist CCN General 4