$$BMI = \frac{weight\ (lb) \times 705}{height\ (in)^2$}$$

Question 1

Which of the following best defines an essential nutrient?

Accepted Answer

A nutrient that must be obtained from the diet because the body cannot make it in adequate amounts.

Question 2

Which of the following statements about calories is correct?

Accepted Answer

A kilocalorie (Calorie) is the amount of energy required to raise the temperature of 1 kilogram of water by 1°C.

Question 3

Which of the following is a correct pairing of nutrient category and its primary function?

Accepted Answer

Lipids – provide insulation and are a major energy source

Question 4

Which process describes the formation of glucose from non-carbohydrate sources?

Accepted Answer

Gluconeogenesis

Question 5

A patient with a diet lacking in vitamin K would most likely experience which of the following?

Accepted Answer

Impaired blood clotting

Question 6

Which of the following statements about the electron transport chain is correct?

Accepted Answer

It directly produces the majority of ATP during cellular respiration.

Question 7

Which hormone is primarily responsible for directing the events of the absorptive state?

Accepted Answer

Insulin

Question 8

A person with a BMI of 32 would be classified as:

Accepted Answer

Obese

Question 9

Which of the following best describes the difference between LDLs and HDLs?

Accepted Answer

LDLs transport cholesterol to peripheral tissues, while HDLs transport cholesterol from tissues to the liver.

Question 10

Which of the following equations correctly calculates Body Mass Index (BMI) using pounds and inches?

Accepted Answer

$$BMI = \frac{weight\ (lb) 	imes 705}{height\ (in)^2$}$$

Question 11

Which metabolic process is stimulated when cellular ATP and glucose levels are high, resulting in the storage of excess energy as fat?

Accepted Answer

Lipogenesis

Question 12

Which of the following is a consequence of a prolonged postabsorptive state?

Accepted Answer

Glucose sparing, with increased use of triglycerides for energy

Question 13

Which of the following is a water-soluble vitamin?

Accepted Answer

Vitamin C

Question 14

Which of the following best describes the role of coenzymes in metabolism?

Accepted Answer

They transfer electrons during oxidation-reduction reactions.

Question 15

A patient with a deficiency in the hormone leptin would most likely experience which of the following?

Accepted Answer

Increased appetite and potential obesity

Question 16

Which of the following mechanisms is NOT a method of heat loss from the body?

Accepted Answer

Shivering

Question 17

Which of the following statements about protein metabolism is correct?

Accepted Answer

Amino acids must be converted to citric acid cycle intermediates before being used for energy.

Question 18

Which of the following is a correct description of substrate-level phosphorylation?

Accepted Answer

It involves the direct transfer of a phosphate group to ADP from a phosphorylated substrate.

Question 19

Which of the following is a major function of the liver in metabolism?

Accepted Answer

Synthesis of bile salts and cholesterol

Question 20

Which of the following would most likely occur if the hypothalamic heat-promoting center is activated?

Accepted Answer

Constriction of cutaneous blood vessels and shivering

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

Study Guide - Practice Questions