Question 1

Which of the following best describes the function of the skeletal system in the human body?

Accepted Answer

It provides support, protects internal organs, produces blood cells, and stores calcium salts.

Question 2

A patient is experiencing difficulty regulating their body temperature and retaining water. Which organ system is most likely impaired?

Accepted Answer

Integumentary system

Question 3

Which anatomical term describes a position farther away from the surface of the body or more within the body's interior?

Accepted Answer

Deep

Question 4

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

Accepted Answer

Hypotonic solution

Question 5

Which of the following best describes a negative feedback loop?

Accepted Answer

The response causes a change in the variable in the opposite direction to restore homeostasis.

Question 6

Which of the following is the correct order of levels of structural organization in the human body, from simplest to most complex?

Accepted Answer

Chemicals > Cells > Tissues > Organs > Organ systems > Organisms

Question 7

A molecule of water is described as hydrophilic. What does this mean?

Accepted Answer

It is water loving and dissolves easily in water.

Question 8

Which of the following best describes the process of dehydration synthesis?

Accepted Answer

Water is removed and smaller subunits are joined to build a larger molecule.

Question 9

A solution has a pH of 5. Which of the following statements is true?

Accepted Answer

It is acidic and has a high concentration of hydrogen ions.

Question 10

Which of the following is a function of the lymphatic system?

Accepted Answer

Returns excess fluid to the cardiovascular system and provides immunity

Question 11

Which type of chemical bond involves the sharing of electrons between atoms?

Accepted Answer

Covalent bond

Question 12

A patient has a blood pH of 7.2. What condition does this indicate?

Accepted Answer

Acidosis

Question 13

Which organelle is responsible for producing the bulk of ATP by oxidative catabolism?

Accepted Answer

Mitochondria

Question 14

Which of the following best describes the anatomical position?

Accepted Answer

Body standing upright, feet shoulder-width apart, arms at sides, palms facing forward

Question 15

Which of the following is true about isotopes?

Accepted Answer

They have the same atomic number but different mass numbers.

Question 16

Which of the following is a property of water that is essential for maintaining body temperature?

Accepted Answer

High heat capacity

Question 17

Which plane divides the body into right and left portions?

Accepted Answer

Sagittal plane

Question 18

Which of the following is a function of adipose tissue?

Accepted Answer

Stores energy, provides insulation and shock absorption

Question 19

Which of the following best describes facilitated diffusion?

Accepted Answer

Movement of molecules down their concentration gradient with the help of a membrane protein

Question 20

Which of the following is true about enzymes?

Accepted Answer

They lower the energy of activation and are not consumed or changed by the reaction.

Essential Concepts in Anatomy & Physiology: Exam 1 Study Guide

Study Guide - Practice Questions