BHS Nutrition and Dietetics 2

Question 1

Which vitamin requires intrinsic factor for proper absorption in the ileum?

Accepted Answer

Vitamin B12

Answer

Vitamin B12 (cobalamin) must bind to intrinsic factor, secreted by gastric parietal cells, to be absorbed in the terminal ileum.

Question 2

A patient on a 2,000 kcal diet is advised to limit saturated fat to less than 10% of calories. What is the maximum grams of saturated fat allowed per day?

Accepted Answer

22 g

Answer

10% of 2,000 kcal = 200 kcal ÷ 9 kcal/g = approximately 22 g of saturated fat.

Question 3

Which monosaccharide is the primary fuel for red blood cells and the central nervous system under normal fasting conditions?

Accepted Answer

Glucose

Answer

Glucose is the obligate fuel for red blood cells (which lack mitochondria) and the preferred substrate for the brain.

Question 4

What is the Acceptable Macronutrient Distribution Range (AMDR) for carbohydrates in adults?

Accepted Answer

45–65% of total energy

Answer

The DRI establishes 45–65% of total energy from carbohydrates as the AMDR for adults.

Question 5

Kwashiorkor is primarily caused by a deficiency of which macronutrient?

Accepted Answer

Protein

Answer

Kwashiorkor results from severe protein deficiency with relatively adequate caloric intake, leading to edema and fatty liver.

BHS - Bachelor of Health Science Practice Test

BHS - Bachelor of Health Science Practice Test

BHS Nutrition and Dietetics 2