CDN Medical Nutrition Therapy 5

Question 1

A patient with pressure injuries (stage 3) requires nutrition support. Which nutrient has the strongest evidence for wound healing supplementation?

Accepted Answer

Vitamin C and zinc

Answer

Vitamin C is essential for collagen synthesis and zinc supports immune function and cell proliferation; both are well-supported for wound healing in pressure injury MNT.

Question 2

For a patient with dumping syndrome after gastric surgery, which dietary modification is most important?

Accepted Answer

Separate liquids from solids and limit simple sugars

Answer

Separating fluids from solids and limiting simple sugars slows gastric emptying and reduces the rapid transit that causes dumping syndrome symptoms.

Question 3

Which nutrition intervention is recommended for a patient with non-alcoholic fatty liver disease (NAFLD)?

Accepted Answer

5–10% weight loss through caloric restriction and increased physical activity

Answer

A 5–10% reduction in body weight through diet and exercise has been shown to significantly improve liver histology and reduce steatosis in NAFLD.

Question 4

A patient with maple syrup urine disease (MSUD) must restrict which group of amino acids?

Accepted Answer

Branched-chain amino acids (leucine, isoleucine, valine)

Answer

MSUD is caused by deficient branched-chain alpha-keto acid dehydrogenase, leading to accumulation of leucine, isoleucine, and valine requiring dietary restriction.

Question 5

Which route of nutrition support is preferred for a patient with a functional GI tract who cannot meet needs orally after major abdominal surgery?

Accepted Answer

Enteral nutrition via nasogastric or nasoenteric tube

Answer

Enteral nutrition is preferred over parenteral when the GI tract is functional because it maintains gut integrity, reduces infection risk, and is more cost-effective.

(CDN) Certified Dietician Nutritionist Practice Test

(CDN) Certified Dietician Nutritionist Practice Test

CDN Medical Nutrition Therapy 5