1) Which of the following primary functions of the skeletal system applies to the role of bone marrow?

A) support

B) storage

C) protection

D) blood cell production

E) movement

2) Red bone marrow functions in the formation of

A) adipose tissue.

B) new bone.

C) blood cells.

D) osteoblasts.

E) osteocytes.

3) Regulatory functions of the skeletal system include

A) maintaining the normal concentrations of calcium and phosphate ions in body fluids.

B) absorbing the shock of unexpected rapid body movements.

C) facilitating transmission of nerve impulses.

D) cushioning abdominal organs such as the kidneys.

E) contracting muscles.

4) Which of the following is an example of the skeletal system’s primary function of providing structural support?

A) Calcium salts are found in bone.

B) Bones change the magnitude and direction of the forces generated by skeletal muscles.

C) Red marrow fills the internal cavities of many bones.

D) The skull encloses the brain.

E) Individual bones provide a framework for the attachment of soft tissues and organs.

5) The primary function of ________ is exemplified when bones function as levers.

A) support

B) protection

C) movement

D) storage

E) blood cell production

6) Bone cells capable of dissolving the bony matrix are termed

A) chondrocytes.

B) osteons.

C) osteoclasts.

D) osteocytes.

E) osteoblasts.

7) Immature, active bone cells that produce new bone matrix are termed

A) osteocytes.

B) stem cells.

C) osteoblasts.

D) osteoclasts.

E) chondrocytes.

8) Osseous tissue is classified as which of the following?

A) neural tissue

B) nonstriated muscle tissue

C) connective tissue

D) epithelial tissue

E) striated muscle tissue

9) Narrow sheets of calcified matrix are referred to as

A) osteons.

B) canaliculi.

C) lamellae.

D) osteoclasts.

E) central canals.

10) Spongy bone is made up of a network of bony rods or plates called

A) trabeculae.

B) osteons.

C) lamellae.

D) canaliculi.

E) perforating canals.