$$\text{Molecule} \rightarrow \text{Cell} \rightarrow \text{Tissue} \rightarrow \text{Organ} \rightarrow \text{Organism}$$

Question 1

Which of the following best describes the principle of complementarity in anatomy and physiology?

Accepted Answer

Structure determines what functions are possible, and function influences the structure.

Question 2

A researcher is studying the effect of statins on cholesterol levels. At which level of organization is the primary effect of statins observed?

Accepted Answer

Cellular level

Question 3

Which of the following is the correct order of levels of organization from smallest to largest?

Accepted Answer

$$	ext{Molecule} ightarrow 	ext{Cell} ightarrow 	ext{Tissue} ightarrow 	ext{Organ} ightarrow 	ext{Organism}$$

Question 4

Which scenario best illustrates the use of a physiological approach rather than an anatomical approach?

Accepted Answer

Measuring the change in pH of a subject’s stomach after eating spicy food.

Question 5

Which of the following is an example of negative feedback?

Accepted Answer

Release of insulin to lower blood glucose after a meal.

Question 6

A patient has situs inversus, a condition where internal organs are mirrored from their normal positions. Which statement is most accurate?

Accepted Answer

Most individuals with situs inversus function normally because organ function is not dependent on position.

Question 7

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

Accepted Answer

Cardiovascular system

Question 8

Which directional term best describes the location of the nose relative to the ears?

Accepted Answer

Medial

Question 9

A surgeon needs to make an incision on the anterior side of the left thigh. Which anatomical term best describes the location?

Accepted Answer

Femoral region

Question 10

Which of the following best describes the role of the effector in a negative feedback loop?

Accepted Answer

It restores conditions to the original state.

Question 11

Which of the following is an example of a positive feedback mechanism?

Accepted Answer

Blood clotting after a vessel is injured.

Question 12

A person is exposed to a very cold environment. Which physiological response is most likely to occur as part of a negative feedback loop?

Accepted Answer

Blood flow to the skin decreases.

Question 13

Which statement about anatomical position is correct?

Accepted Answer

The body is standing upright, facing forward, with arms at the sides and palms facing forward.

Question 14

Which of the following best explains why knowledge of anatomy is important for understanding physiology?

Accepted Answer

Because structure determines what functions are possible.

Question 15

Which directional term describes the thumb relative to the little finger in anatomical position?

Accepted Answer

Lateral

Question 16

Which organ system is responsible for producing hormones that regulate body functions?

Accepted Answer

Endocrine system

Question 17

Which of the following is NOT a variable under homeostatic control?

Accepted Answer

Atmospheric pressure

Question 18

A patient presents with a contusion to the hallux region. Which part of the body is affected?

Accepted Answer

Big toe

Question 19

Which of the following best describes the relationship between the scapular and vertebral regions?

Accepted Answer

The scapular region is lateral to the vertebral region.

Question 20

Which of the following statements about the anatomical reference body is correct?

Accepted Answer

It is based on the average measurements of young, healthy adults.

Introduction to Anatomy & Physiology: Foundational Concepts and Terminology

Study Guide - Practice Questions