Question 1

Which of the following best describes the concept of homeostasis in human physiology?

Accepted Answer

The process by which the body maintains a stable internal environment despite external changes.

Question 2

A patient is experiencing a fever. Which feedback mechanism is primarily responsible for returning their body temperature to normal?

Accepted Answer

Negative feedback

Question 3

Which of the following is an example of positive feedback in the human body?

Accepted Answer

Contractions during childbirth that intensify until delivery

Question 4

Which anatomical plane divides the body into left and right portions?

Accepted Answer

Sagittal plane

Question 5

A person lying face down is in which anatomical position?

Accepted Answer

Prone

Question 6

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

Accepted Answer

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

Question 7

Which of the following is NOT a characteristic of life?

Accepted Answer

Decomposition

Question 8

Which body cavity contains the heart and lungs?

Accepted Answer

Thoracic cavity

Question 9

A cut made parallel to the long axis of a cylindrical organ is called a:

Accepted Answer

Longitudinal section

Question 10

Which membrane type lines body cavities that do NOT open to the outside and produces a watery fluid to reduce friction?

Accepted Answer

Serous membrane

Question 11

Which of the following best describes the hierarchical levels of organization in the human body, from smallest to largest?

Accepted Answer

Atoms $\rightarrow$ Molecules $\rightarrow$ Cells $\rightarrow$ Tissues $\rightarrow$ Organs $\rightarrow$ Organ systems $\rightarrow$ Organism

Question 12

A patient has a stab wound that penetrates the abdominal cavity. Which organs could be affected?

Accepted Answer

Stomach, liver, spleen, gallbladder, intestines

Question 13

Which term describes a body part that is closer to the point of attachment to the trunk?

Accepted Answer

Proximal

Question 14

Which of the following is an example of a negative feedback mechanism in the human body?

Accepted Answer

Regulation of blood glucose levels by insulin

Question 15

If a person is standing with their feet forward, arms at sides, and palms facing forward, what position are they in?

Accepted Answer

Anatomical position

Question 16

Which of the following best explains why serous membranes are important in body cavities?

Accepted Answer

They reduce friction between organs and surrounding structures.

Question 17

A patient is experiencing difficulty breathing due to inflammation of the pleura. Which cavity is most directly affected?

Accepted Answer

Thoracic cavity

Question 18

Which term refers to the study of the function of body parts?

Accepted Answer

Physiology

Question 19

Which of the following is the correct order for the levels of organization in the human body?

Accepted Answer

Chemical $\rightarrow$ Cellular $\rightarrow$ Tissue $\rightarrow$ Organ $\rightarrow$ Organ system $\rightarrow$ Organism

Question 20

A medical student is asked to locate the axillary region. Where should they look?

Accepted Answer

Armpit

Introduction to Human Anatomy & Physiology: Structured Study Notes

Study Guide - Practice Questions