Question 1

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

Accepted Answer

Production of hormones

Question 2

A patient presents with a break in the femur that does not penetrate the skin. What type of fracture is this?

Accepted Answer

Closed (simple) fracture

Question 3

Which bone type is characterized by being generally cube-shaped and mostly composed of spongy bone?

Accepted Answer

Short bone

Question 4

During bone remodeling, which hormone is released when blood calcium levels are low, and what is its effect?

Accepted Answer

Parathyroid hormone (PTH); activates osteoclasts to release calcium into blood

Question 5

Which of the following structures is responsible for the lengthwise growth of long bones during childhood?

Accepted Answer

Epiphyseal plate

Question 6

A histological slide shows concentric rings around a central canal. What is the correct term for these rings?

Accepted Answer

Lamellae

Question 7

Which of the following best describes the structure and function of the periosteum?

Accepted Answer

A fibrous connective tissue membrane covering the diaphysis; serves as an attachment point for tendons and ligaments

Question 8

Which of the following joints allows for the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Question 9

A 10-year-old child is diagnosed with a fracture that involves the epiphyseal plate. What is the primary concern with this type of injury?

Accepted Answer

Potential disruption of bone growth

Question 10

Which bone marking is described as a depression or cavity and serves as a passage for nerves and blood vessels?

Accepted Answer

Foramen

Question 11

Which of the following best explains why bones are both strong and flexible?

Accepted Answer

Bones contain both calcium salts (for hardness) and collagen fibers (for flexibility)

Question 12

Which of the following is a correct pairing of a bone and its classification by shape?

Accepted Answer

Femur – Long bone

Question 13

Which of the following statements about the appendicular skeleton is TRUE?

Accepted Answer

It includes the bones of the arms, legs, shoulder girdle, and pelvic girdle

Question 14

A patient has a deficiency in red bone marrow. Which function of the skeletal system is most directly affected?

Accepted Answer

Hematopoiesis

Question 15

Which of the following best describes the process of appositional growth in bones?

Accepted Answer

Osteoblasts add bone matrix to the outside of the diaphysis while osteoclasts remove bone from the inner surface

Question 16

Which of the following is a distinguishing feature of synovial joints?

Accepted Answer

Presence of a joint cavity filled with synovial fluid

Question 17

A patient with osteoporosis is at increased risk for which of the following, and why?

Accepted Answer

Bone fractures, because decreased bone density reduces resistance to compression

Question 18

Which of the following best describes the role of canaliculi in compact bone?

Accepted Answer

They connect osteocytes to a nutrient supply

Question 19

Which of the following is an example of a synarthrosis?

Accepted Answer

Suture in the skull

Question 20

A patient suffers a fracture in the shaft of the humerus. Which anatomical term best describes this region?

Accepted Answer

Diaphysis

Study Guide: The Skeletal System (Anatomy & Physiology)

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