Question 1

Which of the following best describes the function of negative feedback in homeostasis?

Accepted Answer

It reverses a change in a controlled condition to maintain stability.

Question 2

A patient is experiencing rapid blood loss. Which feedback mechanism is most likely to be activated to restore homeostasis, and what is the expected response?

Accepted Answer

Positive feedback; increased clotting to stop bleeding

Question 3

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

Accepted Answer

Chemical, cell, tissue, organ, organ system

Question 4

A person suffers a stab wound that penetrates the abdominal cavity. Which body cavity is directly affected, and what is its primary function?

Accepted Answer

Ventral cavity; houses organs involved in digestion, excretion, and reproduction

Question 5

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

Accepted Answer

Sagittal plane

Question 6

A patient is diagnosed with a tumor in the left hypochondriac region. Which organ is most likely to be affected?

Accepted Answer

Spleen

Question 7

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

Accepted Answer

Protection from environmental hazards and temperature regulation

Question 8

If a person is lying face up, which anatomical term best describes this position?

Accepted Answer

Supine

Question 9

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

Accepted Answer

Defense against infection and disease

Question 10

A patient presents with a spinal cord injury. Which body cavity is primarily involved?

Accepted Answer

Dorsal cavity

Question 11

Which of the following best describes the role of the diaphragm in separating body cavities?

Accepted Answer

It separates the thoracic and abdominopelvic cavities

Question 12

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

Accepted Answer

Blood clotting after injury

Question 13

A patient has pain in the right lower quadrant (RLQ) of the abdomen. Which organ is most likely involved?

Accepted Answer

Appendix

Question 14

Which directional term means 'toward the head'?

Accepted Answer

Superior

Question 15

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

Accepted Answer

Support, protection, and blood cell production

Question 16

A patient is experiencing difficulty breathing due to fluid accumulation in the pleural cavity. Which body cavity is directly affected?

Accepted Answer

Thoracic cavity

Question 17

Which of the following is the correct anatomical position?

Accepted Answer

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

Question 18

Which organ system is primarily responsible for removing metabolic waste from the body?

Accepted Answer

Urinary system

Question 19

A patient has a laceration on the anterior surface of the forearm. Where is the injury located?

Accepted Answer

On the front of the forearm

Question 20

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

Accepted Answer

Coordination of body activities through electrical impulses

Introduction to Human Anatomy & Physiology: Organization, Body Systems, and Cavities

Study Guide - Practice Questions

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