Question 1

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

Accepted Answer

Anatomy describes the structures of the body, while physiology studies the functions of those structures.

Question 2

A patient presents with a fever and tiredness. According to medical terminology, which are the correct terms for these findings?

Accepted Answer

Fever is a sign; tiredness is a symptom.

Question 3

Which organ system is primarily responsible for distributing heat to control body temperature?

Accepted Answer

Cardiovascular system

Question 4

Which of the following is an example of autoregulation in homeostasis?

Accepted Answer

A blood vessel dilating in response to decreased oxygen levels in surrounding tissue.

Question 5

A midsagittal section divides the body into:

Accepted Answer

Equal left and right portions

Question 6

Which organ system is responsible for producing male sex cells and seminal fluids?

Accepted Answer

Male reproductive system

Question 7

Which of the following best illustrates negative feedback in homeostatic regulation?

Accepted Answer

Sweating to reduce elevated body temperature

Question 8

Which anatomical plane divides the body into anterior and posterior portions?

Accepted Answer

Frontal (coronal) plane

Question 9

A physician uses the scientific method to diagnose a patient. What is the correct sequence of steps?

Accepted Answer

Form hypothesis, collect and analyze data

Question 10

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Provides movement

Question 11

Which body cavity contains the heart, and what is the name of the membrane that covers it?

Accepted Answer

Thoracic cavity; pericardium

Question 12

Which organ system is responsible for defending against infection and returning tissue fluids to the bloodstream?

Accepted Answer

Lymphatic system

Question 13

A cross section through the thoracic cavity would be made along which anatomical plane?

Accepted Answer

Transverse (horizontal) plane

Question 14

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

Accepted Answer

Excretes waste products from the blood

Question 15

Which of the following best describes the role of the effector in a homeostatic regulatory mechanism?

Accepted Answer

Carries out instructions to respond to the stimulus

Question 16

Which organ system is responsible for processing and digesting food, absorbing nutrients, and conserving water?

Accepted Answer

Digestive system

Question 17

Which of the following is a correct sequence for the levels of organization in the human body, from simplest to most complex?

Accepted Answer

Chemical, cellular, tissue, organ, organ system, organism

Question 18

Which of the following is an example of positive feedback?

Accepted Answer

Amplification of uterine contractions during childbirth

Question 19

A patient has damage to the parietal peritoneum. Which body cavity is most likely affected?

Accepted Answer

Abdominopelvic cavity

Question 20

Which of the following best describes dynamic equilibrium in physiology?

Accepted Answer

A continual adaptation to maintain balance among opposing forces

Introduction to Anatomy & Physiology: Key Concepts and Organizational Principles

Study Guide - Practice Questions