Question 1

Which body cavity contains the heart and lungs?

Accepted Answer

Thoracic cavity

Question 2

What is the smallest unit of living things?

Accepted Answer

Cell

Question 3

Homeostasis is best defined as:

Accepted Answer

The maintenance of a stable internal environment

Question 4

Which of the following is NOT a functional characteristic of life?

Accepted Answer

Evaporation

Question 5

Which organ is part of the cardiovascular system?

Accepted Answer

Heart

Question 6

What is metabolism?

Accepted Answer

All chemical reactions that occur within the body

Question 7

Water makes up approximately what percentage of the body's weight?

Accepted Answer

60-80%

Question 8

Which term describes the standard body position used as a reference in anatomy?

Accepted Answer

Anatomical position

Question 9

The diaphragm divides which two cavities?

Accepted Answer

Thoracic and abdominal cavities

Question 10

Which quadrant contains the stomach?

Accepted Answer

Left upper quadrant

Question 11

Which system is primarily responsible for breaking down food?

Accepted Answer

Digestive system

Question 12

Which system excretes salt in perspiration?

Accepted Answer

Integumentary system

Question 13

Which of the following is an example of a negative feedback loop?

Accepted Answer

Regulation of body temperature

Question 14

What is the main purpose of negative feedback in the body?

Accepted Answer

To maintain homeostasis by reducing deviations from a set point

Question 15

Which of the following best describes an oblique cut?

Accepted Answer

A cut made at an angle between horizontal and vertical planes

Question 16

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

Accepted Answer

Providing support and protection for organs

Question 17

Which chemical formula represents water, the major component of the human body?

Accepted Answer

$\mathrm{H_2O}$

Question 18

A patient is experiencing difficulty breathing due to a puncture wound in the thoracic cavity. Which organ is most likely affected?

Accepted Answer

Lung

Question 19

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, facing forward, arms at sides, palms facing forward

Question 20

Which organ is part of the respiratory system?

Accepted Answer

Lung

Introduction to Anatomy & Physiology: Study Guide

Study Guide - Practice Questions