Question 1

Which of the following statements best describes the difference between macronutrients and micronutrients?

Accepted Answer

Macronutrients include carbohydrates, fats, and proteins, while micronutrients include vitamins and minerals.

Question 2

Which equation correctly represents the overall reaction for aerobic cellular respiration?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O$$

Question 3

A patient is fasting and has depleted their glycogen stores. Which metabolic pathway will primarily provide glucose?

Accepted Answer

Gluconeogenesis

Question 4

Which hormone is primarily responsible for stimulating glycogenolysis in the liver during the postabsorptive state?

Accepted Answer

Glucagon

Question 5

Which of the following best explains why dietary fiber is important for digestive health?

Accepted Answer

It absorbs water, softens stool, and stimulates peristalsis.

Question 6

Which of the following lipoproteins is responsible for transporting cholesterol from the tissues to the liver for elimination?

Accepted Answer

HDL

Question 7

A person consumes a meal high in carbohydrates. Which hormone will be secreted in response, and what is its primary effect?

Accepted Answer

Insulin; increases cellular uptake of glucose and stimulates glycogenesis

Question 8

Which of the following is a function of cholesterol in the body?

Accepted Answer

It is a precursor for steroid hormones and bile salts.

Question 9

Which of the following best describes the process of deamination in protein metabolism?

Accepted Answer

Removal of an amino group (NH2) from an amino acid, producing ammonia

Question 10

A patient has a BMI of 32. According to the standard classification, this patient is:

Accepted Answer

Obese

Question 11

Which of the following statements about essential nutrients is correct?

Accepted Answer

Essential nutrients must be obtained from the diet because the body cannot synthesize them.

Question 12

Which of the following best explains why a diet extremely low in fat can lead to vitamin deficiencies?

Accepted Answer

Fat is required for the absorption of fat-soluble vitamins (A, D, E, K).

Question 13

Which of the following is a correct statement about the role of leptin in appetite regulation?

Accepted Answer

Leptin is secreted by adipocytes and decreases appetite.

Question 14

Which of the following best describes the fate of excess dietary carbohydrates in the absorptive state?

Accepted Answer

They are converted to glycogen or fat for storage.

Question 15

Which of the following minerals is essential for the formation of hemoglobin and myoglobin?

Accepted Answer

Iron

Question 16

A person with a diet high in saturated fats is at increased risk for which of the following conditions?

Accepted Answer

Heart disease and diabetes

Question 17

Which of the following best describes the process of lipolysis?

Accepted Answer

Breakdown of stored fat into fatty acids and glycerol for fuel

Question 18

Which of the following is a water-soluble vitamin?

Accepted Answer

Vitamin C

Question 19

Which of the following factors would increase a person's basal metabolic rate (BMR)?

Accepted Answer

Fever

Question 20

Which of the following best explains why combining beans and rice provides a complete protein source?

Accepted Answer

Beans and rice together supply all essential amino acids in the right proportions.

Chapter 24: Nutrition, Metabolism, and Energy Balance – Study Notes

스터디 가이드 - 연습 문제