$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 36\ \text{(or 38)}\ \mathrm{ATP} + 6\mathrm{CO_2$} + 6\mathrm{H_2O}$$

Question 1

Which of the following nutrients is NOT generally used by the body to generate ATP?

Accepted Answer

Nucleic acids

Question 2

Which process describes the removal of electrons from a molecule, resulting in a decrease in energy content?

Accepted Answer

Oxidation

Question 3

What is the main function of ATP in cellular metabolism?

Accepted Answer

It serves as the main energy currency for cellular processes

Question 4

Which of the following best describes the difference between catabolic and anabolic reactions?

Accepted Answer

Catabolic reactions break bonds and release energy, anabolic reactions form bonds and require energy

Question 5

Which equation correctly summarizes cellular respiration?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} ightarrow 36\ 	ext{(or 38)}\ \mathrm{ATP} + 6\mathrm{CO_2$} + 6\mathrm{H_2O}$$

Question 6

During glycolysis, what is the net gain of ATP molecules per molecule of glucose?

Accepted Answer

2 ATP

Question 7

Which metabolic pathway is responsible for the conversion of fatty acids into acetyl-CoA?

Accepted Answer

Beta-oxidation

Question 8

What is the fate of pyruvic acid under anaerobic conditions in human cells?

Accepted Answer

It is converted to lactic acid

Question 9

Which process directly produces the most ATP during cellular respiration?

Accepted Answer

Electron transport chain and oxidative phosphorylation

Question 10

Which hormone stimulates glycogenesis in hepatocytes?

Accepted Answer

Insulin

Question 11

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

Accepted Answer

ATP is generated by transferring a phosphate group directly to ADP from a substrate molecule

Question 12

Which of the following is NOT a function of anabolic pathways?

Accepted Answer

Breakdown of molecules for energy

Question 13

Which metabolic state is characterized by the use of stored nutrients to maintain blood glucose levels?

Accepted Answer

Post-absorptive state

Question 14

Which of the following statements about vitamins is TRUE?

Accepted Answer

Fat-soluble vitamins are stored in the body, while water-soluble vitamins are excreted in urine when in excess

Question 15

Which of the following best describes the role of NAD+ in cellular respiration?

Accepted Answer

It acts as an electron carrier, accepting electrons during oxidation reactions

Question 16

Which of the following is a trace mineral required by the body?

Accepted Answer

Iron

Question 17

A patient with impaired thermoregulation is at risk for which of the following conditions?

Accepted Answer

Both hypothermia and hyperthermia

Question 18

Which of the following best describes gluconeogenesis?

Accepted Answer

The formation of new glucose from non-carbohydrate sources

Question 19

Which class of lipoproteins is responsible for transporting cholesterol from the liver to peripheral tissues?

Accepted Answer

LDLs

Question 20

Which of the following is a real-life example of an exergonic reaction in the human body?

Accepted Answer

Breakdown of ATP to ADP and Pi

Metabolism and Nutrition: An Overview for Anatomy & Physiology Students

Study Guide - Practice Questions