Question 1

Which of the following best describes the primary function of the cardiovascular system?

Accepted Answer

To transport blood, which carries oxygen, carbon dioxide, nutrients, and wastes

Question 2

Which macromolecule is primarily responsible for storing genetic information in cells?

Accepted Answer

Nucleic acids

Question 3

During cellular respiration, which process occurs in the cytosol and results in the formation of pyruvic acid?

Accepted Answer

Glycolysis

Question 4

Which equation correctly represents the chemical formula for glucose?

Accepted Answer

$$C_6H_{12}O_6$

Question 5

What is the main purpose of ATP in cellular metabolism?

Accepted Answer

To act as the cellular currency of energy by donating phosphate groups

Question 6

Which of the following is an example of an anabolic reaction?

Accepted Answer

Amino acids joining to form proteins

Question 7

Which organ system is primarily responsible for eliminating nitrogenous wastes and regulating acid-base balance?

Accepted Answer

Urinary system

Question 8

What is the correct sequence of stages in the metabolism of energy-containing nutrients?

Accepted Answer

Digestion, cellular processing, oxidative breakdown

Question 9

Which of the following best describes the process of phosphorylation in cellular metabolism?

Accepted Answer

The addition of a phosphate group to a molecule, activating it for cellular functions

Question 10

A patient with a deficiency in insulin production would most likely have difficulty with which metabolic process?

Accepted Answer

Activating glucose transport into cells

Question 11

Which of the following is a catabolic reaction?

Accepted Answer

Hydrolysis of proteins into amino acids

Question 12

Which organ system is responsible for secreting hormones that regulate metabolism?

Accepted Answer

Endocrine system

Question 13

Which of the following best explains why muscle and nerve cells require large amounts of glucose and oxygen?

Accepted Answer

They need to produce large amounts of ATP for their functions

Question 14

Which of the following equations correctly represents the chemical formula for ATP?

Accepted Answer

$$C_{10}H$$_{16}$$N_5O_{13}P_3$

Question 15

Which process in cellular respiration produces the majority of ATP?

Accepted Answer

Oxidative phosphorylation (electron transport chain)

Question 16

A patient is unable to efficiently remove carbon dioxide from their body. Which organ system is most likely impaired?

Accepted Answer

Respiratory system

Question 17

Which of the following is NOT considered a major nutrient?

Accepted Answer

Vitamins

Question 18

Which of the following best describes the role of the digestive system in metabolism?

Accepted Answer

It breaks down food into absorbable units for distribution to body cells

Question 19

Which of the following statements about metabolism is correct?

Accepted Answer

Metabolism includes both anabolic and catabolic reactions

Question 20

Which of the following best explains why the body stores energy in the form of glycogen and fats?

Accepted Answer

To ensure a rapid supply of ATP during cellular respiration

Introduction to Anatomy, Physiology, and Metabolism

Study Guide - Practice Questions