Question 1

Which organ system is primarily responsible for protecting the body from external injury, synthesizing vitamin D, and housing cutaneous receptors?

Accepted Answer

Integumentary system

Question 2

A patient presents with a broken femur. Which organ system is directly affected, and what is one of its main functions?

Accepted Answer

Skeletal system; provides a framework for muscles to cause movement

Question 3

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

Accepted Answer

Returns leaked fluid from blood vessels to the blood and houses white blood cells

Question 4

A person is unable to maintain homeostasis due to a malfunction in the negative feedback mechanism controlling body temperature. Which of the following best describes what is happening?

Accepted Answer

The body fails to reverse the deviation from the set point, so temperature remains abnormal

Question 5

Which directional term would best describe the relationship of the heart to the lungs?

Accepted Answer

Medial

Question 6

A stab wound penetrates the abdominal wall and enters the peritoneal cavity. Which serous membrane is directly breached?

Accepted Answer

Parietal peritoneum

Question 7

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

Accepted Answer

Blood clotting after a vessel injury

Question 8

A patient has a tumor located in the right lower quadrant (RLQ) of the abdomen. Which organ is most likely affected?

Accepted Answer

Appendix

Question 9

Which plane divides the body into anterior and posterior parts?

Accepted Answer

Frontal (coronal) plane

Question 10

A patient is experiencing difficulty breathing due to fluid accumulation in the pleural cavity. Which organ system is directly affected, and what is the name of the serous membrane involved?

Accepted Answer

Respiratory system; pleura

Question 11

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

Accepted Answer

Secretes hormones that regulate growth, reproduction, and metabolism

Question 12

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

Accepted Answer

Prone

Question 13

A patient has a deep laceration on the posterior side of the antebrachial region. Where is the injury located?

Accepted Answer

Back of the forearm

Question 14

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

Accepted Answer

Chemical, cell, tissue, organ, organ system, organism

Question 15

A patient is diagnosed with a disease that impairs the function of the kidneys. Which organ system is primarily affected, and what is one of its main functions?

Accepted Answer

Urinary system; eliminates nitrogenous wastes

Question 16

Which of the following best describes the relationship between the diaphragm and the lungs?

Accepted Answer

The diaphragm is inferior to the lungs

Question 17

A patient is experiencing numbness in the plantar region. Which part of the body is affected?

Accepted Answer

Sole of the foot

Question 18

Which of the following scenarios best demonstrates the concept of homeostasis?

Accepted Answer

A person sweats to cool down when body temperature rises

Question 19

If a structure is described as being distal to the elbow, which of the following could it be?

Accepted Answer

Wrist

Question 20

A patient is found to have inflammation of the serous membrane surrounding the heart. What is the medical term for this condition?

Accepted Answer

Pericarditis

Introduction to Human Anatomy & Physiology: Body Systems, Terminology, and Homeostasis

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