Question 1

Which of the following best describes homeostasis in the human body?

Accepted Answer

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

Question 2

A patient presents with a stab wound that penetrates the parietal pericardium. Which serous membrane is directly affected?

Accepted Answer

Parietal pericardium

Question 3

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

Accepted Answer

Sagittal plane

Question 4

If a patient has pain in the RLQ (right lower quadrant) of the abdomen, which organ is most likely involved?

Accepted Answer

Appendix

Question 5

Which germ layer gives rise to the nervous system?

Accepted Answer

Ectoderm

Question 6

Which type of epithelial tissue is best suited for diffusion and filtration, and is found lining the alveoli of the lungs?

Accepted Answer

Simple squamous epithelium

Question 7

A tendon is primarily composed of which type of connective tissue?

Accepted Answer

Dense regular connective tissue

Question 8

Which of the following is a function of the hypodermis?

Accepted Answer

Stores fat and anchors the skin to underlying tissues

Question 9

Which bone marking is defined as a rounded articular projection?

Accepted Answer

Condyle

Question 10

Which of the following equations correctly represents Wolff's Law regarding bone adaptation?

Accepted Answer

$B = f(S)$

Question 11

A patient has a fracture in the diaphysis of the femur. Which part of the bone is affected?

Accepted Answer

The shaft of the bone

Question 12

Which of the following best describes endochondral ossification?

Accepted Answer

Bone develops by replacing hyaline cartilage

Question 13

Which type of joint allows for the greatest range of motion?

Accepted Answer

Synovial joint

Question 14

Which of the following bones is part of the axial skeleton?

Accepted Answer

Sternum

Question 15

Which structure is responsible for producing melanin in the skin?

Accepted Answer

Melanocytes

Question 16

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Production of red blood cells

Question 17

Which of the following best describes the function of gap junctions in cardiac muscle?

Accepted Answer

Allow direct electrical communication between adjacent cells

Question 18

Which of the following is the correct order of the layers of the epidermis from deepest to superficial?

Accepted Answer

Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

Question 19

Which of the following best describes the function of osteoclasts?

Accepted Answer

Break down bone matrix for remodeling and calcium release

Question 20

A patient is unable to flex their forearm at the elbow. Which muscle is most likely impaired?

Accepted Answer

Biceps brachii

Anatomy & Physiology I: Study Guide – Homeostasis, Organization, Tissues, Integument, and Skeletal System

Study Guide - Practice Questions