$$ \mathrm{ATP} + \mathrm{H}_2\mathrm{O} \rightarrow \mathrm{ADP} + \mathrm{P}_i + \text{energy} $$

Question 1

Which of the following best describes the difference between anatomy and physiology?

Accepted Answer

Anatomy studies the structure of body parts, while physiology studies their function.

Question 2

Which of the following is the correct order of increasing complexity in the levels of organization in the human body?

Accepted Answer

Molecule, cell, tissue, organ, organ system, organism

Question 3

Which body system is primarily responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Circulatory system

Question 4

A patient is unable to maintain a stable internal temperature. Which core principle of anatomy and physiology is most directly affected?

Accepted Answer

Homeostasis

Question 5

Which of the following best describes a negative feedback mechanism?

Accepted Answer

A process that opposes or reduces the original stimulus

Question 6

Which of the following is an example of a covalent bond?

Accepted Answer

The bond between hydrogen and oxygen in a water molecule

Question 7

Which of the following statements about hydrophilic and hydrophobic molecules is correct?

Accepted Answer

Hydrophilic molecules are attracted to water and are often polar.

Question 8

Which of the following best describes the function of ATP in the cell?

Accepted Answer

ATP provides energy for cellular processes.

Question 9

Which organelle is primarily responsible for the synthesis of proteins?

Accepted Answer

Ribosome

Question 10

A cell is placed in a solution and water moves into the cell, causing it to swell. What type of solution is the cell in?

Accepted Answer

Hypotonic

Question 11

Which of the following equations correctly represents the generalized hydrolysis reaction for ATP?

Accepted Answer

$$ \mathrm{ATP} + \mathrm{H}_2\mathrm{O} ightarrow \mathrm{ADP} + \mathrm{P}_i + 	ext{energy} $$

Question 12

Which of the following best describes the role of enzymes in chemical reactions?

Accepted Answer

Enzymes lower the activation energy and speed up reactions.

Question 13

Which of the following is a correct statement about the plasma (cell) membrane?

Accepted Answer

It is selectively permeable, allowing some substances to pass while blocking others.

Question 14

Which phase of the cell cycle involves the replication of DNA?

Accepted Answer

S phase

Question 15

Which of the following best explains why proteins have a specific shape?

Accepted Answer

The sequence of amino acids determines the folding and shape of the protein.

Question 16

Which of the following is a function of the mitochondria?

Accepted Answer

ATP production through cellular respiration

Question 17

Which of the following best describes the relationship between structure and function in anatomy and physiology?

Accepted Answer

The structure of a body part determines its function.

Question 18

Which of the following is an example of a gradient in physiology?

Accepted Answer

The difference in sodium ion concentration across a cell membrane

Question 19

Which of the following best describes the function of the Golgi apparatus?

Accepted Answer

Modifying, sorting, and packaging proteins for secretion

Question 20

Which of the following is a correct description of osmosis?

Accepted Answer

The movement of water from low to high solute concentration across a semipermeable membrane

Comprehensive Study Guide: Introduction to Anatomy & Physiology, Chemistry of Life, and The Cell

Study Guide - Practice Questions