Question 1

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

Accepted Answer

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

Question 2

Which of the following is NOT considered a major tissue type in the human body?

Accepted Answer

Adipose tissue

Question 3

A patient is experiencing dehydration. Which body fluid compartment is most directly affected first?

Accepted Answer

Extracellular fluid

Question 4

Which of the following best illustrates a negative feedback mechanism in the human body?

Accepted Answer

Regulation of blood glucose by insulin

Question 5

Which of the following equations correctly represents the relationship between homeostatic variables in a negative feedback loop?

Accepted Answer

$$\Delta S = S_{set} - S_{actual}$$

Question 6

Which of the following is an example of a physiological process controlled by positive feedback?

Accepted Answer

Lactation (milk let-down reflex)

Question 7

A patient has damage to the ventral cavity of the body. Which organ is most likely to be affected?

Accepted Answer

Heart

Question 8

Which of the following best describes the function of the integumentary system?

Accepted Answer

Acts as a barrier to protect the body from the external environment

Question 9

Which of the following best defines homeostasis?

Accepted Answer

The process by which the body maintains a stable internal environment

Question 10

A person is exposed to cold temperatures. Which of the following responses is an example of homeostatic regulation?

Accepted Answer

Shivering to generate heat

Question 11

Which of the following best describes the dorsal body cavity?

Accepted Answer

It is divided into cranial and vertebral cavities.

Question 12

Which of the following is a function performed by the muscular system?

Accepted Answer

Movement of body parts

Question 13

Which of the following best describes the structural organization of the human body from simplest to most complex?

Accepted Answer

Cell, tissue, organ, organ system, organism

Question 14

Which of the following is a correct example of an organ system and its primary function?

Accepted Answer

Skeletal system: support and protection

Question 15

Which of the following best explains why positive feedback mechanisms are less common than negative feedback mechanisms in the human body?

Accepted Answer

Positive feedback mechanisms are less efficient at maintaining homeostasis.

Question 16

A patient has a tumor in the cranial cavity. Which structure is most likely to be affected?

Accepted Answer

Brain

Question 17

Which of the following best describes the function of the nervous system?

Accepted Answer

Coordinates body activities by transmitting electrical signals

Question 18

Which of the following is a correct example of a homeostatic imbalance?

Accepted Answer

Diabetes mellitus

Question 19

Which of the following best describes the role of effectors in a feedback system?

Accepted Answer

They carry out the response to restore homeostasis.

Question 20

A person is running a marathon and begins to sweat profusely. Which organ system is primarily responsible for this response, and what is the main function of this response?

Accepted Answer

Integumentary system; to regulate body temperature

Introduction to Anatomy & Physiology: Key Concepts and Learning Objectives

Study Guide - Practice Questions

Study Guide - Flashcards