Question 1

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

Accepted Answer

Regulation of body temperature

Question 2

Which tissue acts as a forerunner of bone during embryonic development and covers many joint surfaces?

Accepted Answer

Cartilage

Question 3

What is the main difference between compact bone and spongy bone?

Accepted Answer

Compact bone forms the outer shell and is solid, while spongy bone is a porous lattice found inside bones

Question 4

Which type of bone cell is responsible for bone resorption and contains multiple nuclei?

Accepted Answer

Osteoclast

Question 5

Which equation best represents the proportion of inorganic to organic components in bone matrix?

Accepted Answer

$$\frac{2}{3}$$ inorganic : $$\frac{1}{3}$$ organic$

Question 6

A patient presents with bones that are easily deformed due to mineral deficiency. What condition does this most likely indicate?

Accepted Answer

Rickets

Question 7

Which of the following best describes the process of endochondral ossification?

Accepted Answer

Bone forms from a cartilage model, typical of long bones

Question 8

Which structure is responsible for attaching muscle to bone?

Accepted Answer

Tendon

Question 9

Which type of joint allows the greatest range of motion and is most structurally complex?

Accepted Answer

Synovial joint

Question 10

During bone fracture healing, what is the correct sequence of events?

Accepted Answer

Fracture hematoma, soft callus formation, hard callus formation, remodeling

Question 11

Which bone cell type is most directly involved in synthesizing the organic matter of bone (osteoid)?

Accepted Answer

Osteoblast

Question 12

Which anatomical term refers to the shaft of a long bone?

Accepted Answer

Diaphysis

Question 13

Which of the following movements describes turning the palm upward?

Accepted Answer

Supination

Question 14

Which type of bone is classified as a sesamoid bone?

Accepted Answer

Patella

Question 15

Which joint movement involves moving a body part away from the midline?

Accepted Answer

Abduction

Question 16

Which equation best represents the total number of bones in the adult human skeleton?

Accepted Answer

$$206$$

Question 17

Which of the following is a structural classification of joints where bones are bound by collagen fibers and have very little mobility?

Accepted Answer

Fibrous joint

Question 18

Which part of the bone contains the bone marrow in long bones?

Accepted Answer

Medullary cavity

Question 19

Which movement describes raising the shoulders upward, as in shrugging?

Accepted Answer

Elevation

Question 20

Which type of bone cell is a stem cell that gives rise to osteoblasts?

Accepted Answer

Osteogenic cell

Anatomy & Physiology Study Notes: The Skeletal System

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