Q: Which equation correctly calculates the percentage of energy obtained from protein in a food serving?

$\text{(\# grams of protein \times 4 kcal/gram)} \div \text{total kcal per serving} \times 100$

Q: If a yogurt serving contains 6 grams of protein and 80 total kilocalories, what percentage of energy comes from protein?

$\frac{6 \times 4}{80} \times 100 = 30\%$

Q: Which equation represents the calculation of kilocalories from fat in a food serving?

$\text{\# grams of fat} \times 9 \text{ kcal/gram}$

Q: Which equation would you use to calculate the kilocalories from carbohydrates in a food serving?

$\text{\# grams of carbohydrates} \times 4 \text{ kcal/gram}$

Question 1

Which organ is primarily responsible for exporting nutrients to other tissues during the fasted state?

Accepted Answer

Liver

Question 2

A meal high in which macronutrient will spend the longest time in the stomach before moving to the small intestine?

Accepted Answer

Fat

Question 3

What is the main function of the large intestine in the digestive process?

Accepted Answer

Reabsorption of water and electrolytes

Question 4

Which equation correctly calculates the percentage of energy obtained from protein in a food serving?

Accepted Answer

$	ext{(\# grams of protein 	imes 4 kcal/gram)} \div 	ext{total kcal per serving} 	imes 100$

Question 5

A patient presents with pale, fatty, loose stools and abdominal pain after consuming foods containing gluten. Which disorder is most likely?

Accepted Answer

Celiac Disease

Question 6

Which of the following is NOT a symptom of food allergies?

Accepted Answer

Heartburn

Question 7

If a yogurt serving contains 6 grams of protein and 80 total kilocalories, what percentage of energy comes from protein?

Accepted Answer

$\frac{6 	imes 4}{80} 	imes 100 = 30\%$

Question 8

Which structure in the small intestine increases surface area for nutrient absorption?

Accepted Answer

Villi

Question 9

Which of the following is a recommended lifestyle modification for managing GERD?

Accepted Answer

Remain upright for at least three hours after a meal

Question 10

Which equation represents the calculation of kilocalories from fat in a food serving?

Accepted Answer

$	ext{\# grams of fat} 	imes 9 	ext{ kcal/gram}$

Question 11

Which of the following is a primary factor contributing to Irritable Bowel Syndrome (IBS)?

Accepted Answer

Stress

Question 12

A patient with diverticulitis should increase which dietary component to help prevent future episodes?

Accepted Answer

Fiber

Question 13

Which process describes the muscular contractions that propel food down the digestive tract?

Accepted Answer

Peristalsis

Question 14

Which of the following is a real-world strategy to reduce the risk of colon cancer?

Accepted Answer

Eat a variety of fruits, vegetables, and whole grains

Question 15

Which form of energy is stored in chemical bonds and released during digestion?

Accepted Answer

Chemical energy

Question 16

A person with celiac disease who continues to consume gluten is at risk for which of the following?

Accepted Answer

Nutritional deficiencies

Question 17

Which equation would you use to calculate the kilocalories from carbohydrates in a food serving?

Accepted Answer

$	ext{\# grams of carbohydrates} 	imes 4 	ext{ kcal/gram}$

Question 18

Which of the following best describes metabolic homeostasis?

Accepted Answer

Nutrient intake and absorption are in equilibrium with energy required for biological processes

Question 19

Which digestive organ is responsible for both mechanical and chemical breakdown of food, as well as storage?

Accepted Answer

Stomach

Question 20

Which of the following is a plausible consequence of an unbalanced, high-fat diet?

Accepted Answer

Exacerbation of IBS symptoms

Digestion, Absorption, Energy, and Digestive Disorders: Core Concepts in Human Nutrition

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