Chapter 7 - Skeletal System

The red bone marrow is important in the skeletal function of

a.

protection

b.

support

c.

hematopoiesis

d.

storage

C

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

a.

Movement

b.

Calcium storage

c.

Blood cell formation

d.

All of the above are functions of the skeletal system

D

The humerus is an example of

a.

a short bone

b.

a long bone

c.

a flat bone

d.

an irregular bone

B

The wrist bone is an example of

a.

a short bone

b.

a long bone

c.

a flat bone

d.

an irregular bone

A

The bones of the spine are examples of

a.

a short bone

b.

a long bone

c.

a flat bone

d.

an irregular bone

D

The hollow shaft of a long bone is called the

a.

diaphysis

b.

epiphyses

c.

periosteum

d.

endosteum

A

The thin, fibrous membrane that lines the medullary cavity is called the

a.

diaphysis

b.

epiphysis

c.

periosteum

d.

endosteum

D

The strong, fibrous membrane covering the shaft of the long bone is called the

a.

diaphysis

b.

epiphysis

c.

periosteum

d.

endosteum

C

The ends of long bones are called the

a.

diaphysis

b.

epiphysis

c.

periosteum

d.

endosteum

B

Trabeculae are

a.

needlelike threads of spongy bone

b.

the basic structure of cartilage

c.

the basic structure of compact bone

d.

the basic structure of bone marrow

A

Another name for the Haversian system is

a.

central canal

b.

lacunae

c.

canaliculi

d.

osteon

D

The bone cells in the Haversian system are found in little spaces called

a.

central canal

b.

canaliculi

c.

lacunae

d.

none of the above

C

Nutrients pass from the blood vessels to the bone cells by way of the

a.

central canal

b.

canaliculi

c.

lacunae

d.

lamella

B

The bone-forming cells are called

a.

osteoclasts

b.

osteocytes

c.

osteoblasts

d.

chondrocytes

C

Cartilage cells are called

a.

osteoclasts

b.

osteocytes

c.

osteoblasts

d.

chondrocytes

D

The bone-resorbing cells are called

a.

osteoclasts

b.

osteocytes

c.

osteoblasts

d.

chondrocytes

A

As long as this is present in a bone, bone growth can continue.

a.

Diaphysis

b.

Epiphyseal plate

c.

Epiphysis

d.

Osteoclasts

B

Which bone is not part of the axial skeleton?

a.

Ribs

b.

Vertebrae

c.

Carpal bone

d.

Sternum

C

Which bone is not part of the appendicular skeleton?

a.

Humerus

b.

Ulna

c.

Tibia

d.

Hyoid bone

D

Which bone does not contain one of the paranasal sinuses?

a.

Mandible

b.

Maxillary

c.

Frontal

d.

Ethmoid

A

The upper jaw bone is called the

a.

zygomatic

b.

maxilla

c.

mandible

d.

none of the above

B

The cheekbone is called the

a.

zygomatic

b.

maxilla

c.

mandible

d.

none of the above

A

The bone at the back of the skull is called the

a.

temporal

b.

parietal

c.

sphenoid

d.

none of the above

D

The section of the vertebral column that contains the most vertebrae is the

a.

cervical section

b.

thoracic section

c.

lumbar section

d.

sacrum section

B

Ribs that attach individually to the sternum by way of the costal cartilage are

a.

true ribs

b.

false ribs

c.

floating ribs

d.

none of the above

A

Ribs that do not attach to costal cartilage at all are

a.

true ribs

b.

false ribs

c.

floating ribs

d.

none of the above

C

The two bones of the lower arm are the

a.

tibia and fibula

b.

femur and humerus

c.

ulna and radius

d.

none of the above

C

The two bones of the lower leg are the

a.

tibia and fibula

b.

femur and humerus

c.

ulna and radius

d.

none of the above

A

The phalanges are the bones of the

a.

fingers

b.

wrists

c.

toes

d.

both a and c above

D

The metacarpals are the bones of the

a.

wrist

b.

foot

c.

ankle

d.

none of the above

D

The tarsals are the bones of the

a.

wrist

b.

foot

c.

ankle

d.

none of the above

C

The bone of the thigh is the

a.

ulna

b.

radius

c.

humerus

d.

femur

D

A suture is an example of a(n)

a.

amphiarthrotic joint

b.

synarthrotic joint

c.

diarthrotic joint

d.

none of the above

B

The knee is an example of a(n)

a.

amphiarthrotic joint

b.

synarthrotic joint

c.

diarthrotic joint

d.

none of the above

C

The elbow is an example of a(n)

a.

amphiarthrotic joint

b.

synarthrotic joint

c.

diarthrotic joint

d.

none of the above

C

Which of the following is not a type of bone?

a.

Round

b.

Flat

c.

Long

d.

Short

A

In the adult skeleton, red bone marrow is found in the

a.

diaphysis

b.

medullary canal

c.

epiphysis

d.

endosteum

C

Which of the following statements is true of both bone and cartilage?

a.

They both contain more intercellular matrix than cells.

b.

Both bone and cartilage cells are supplied with food and oxygen through canaliculi.

c.

Both bone and cartilage cells are located in lacunae.

d.

Both a and c are true.

D

Which of the following statements is not true of ribs?

a.

All ribs attach to vertebrae.

b.

All ribs attach to the sternum.

c.

There are three pairs of false ribs.

d.

All of the above are true of ribs.

B

The total number of phalanges in the body is

a.

14

b.

28

c.

56

d.

84

C

Which bone is not part of the coxal bone?

a.

Sacrum

b.

Pubis

c.

Ischium

d.

Ilium

A

Moving from superficial to deep in a bone, the parts of the bone would be encountered in which sequence?

a.

Periosteum, endosteum, medullary cavity

b.

Endosteum, periosteum, medullary cavity

c.

Periosteum, medullary cavity, endosteum

d.

Endosteum, medullary cavity, periosteum

A

The lambdoidal suture is formed by the joining of the

a.

occipital bone and the temporal bones

b.

temporal bones and the frontal bone

c.

parietal bones and the occipital bone

d.

parietal bones and the frontal bone

C

Going from superior to inferior, the regions of the spine would be in which order?

a.

Cervical, thoracic, sacrum, coccyx, lumbar

b.

Cervical, thoracic, lumbar, sacrum, coccyx

c.

Cervical, lumbar, thoracic, coccyx, sacrum

d.

Cervical, thoracic, lumbar, coccyx, sacrum

B

Straightening a bent elbow is

a.

flexion

b.

rotation

c.

abduction

d.

extension

e.

adduction

f.

circumduction

D

Moving part of the body away from the midline of the body is

a.

flexion

b.

rotation

c.

abduction

d.

extension

e.

adduction

f.

circumduction

C

Which of the following reduces the angle of a joint?

a.

Flexion

b.

Rotation

c.

Abduction

d.

Extension

e.

Adduction

f.

Circumduction

A

Moving the arm in a circle around the shoulder joint is

a.

flexion

b.

rotation

c.

abduction

d.

extension

e.

adduction

f.

circumduction

F

Moving part of the body toward the midline of the body is

a.

flexion

b.

rotation

c.

abduction

d.

extension

e.

adduction

f.

circumduction

E

Bending the elbow is

a.

flexion

b.

rotation

c.

abduction

d.

extension

e.

adduction

f.

circumduction

A

Which of the following increases the angle of a joint?

a.

Flexion

b.

Rotation

c.

Abduction

d.

Extension

e.

Adduction

f.

Circumduction

D

Which of the following spins one bone relative to another?

a.

Flexion

b.

Rotation

c.

Abduction

d.

Extension

e.

Adduction

f.

Circumduction

B

The primary organ of the skeletal system is

a.

cartilage

b.

bone

c.

bone and cartilage

d.

bone, cartilage, and the joints

B

Which of the following is not true of calcitonin?

a.

It is made in the thyroid gland.

b.

It increases blood calcium.

c.

It decreases blood calcium.

d.

It increases calcium in the bone.

B

Which of the following is not true of PTH?

a.

It is made in the parathyroid gland.

b.

It increases blood calcium.

c.

It decreases blood calcium.

d.

It decreases bone calcium.

C

A treatment method for osteoporosis, a condition where there is too little calcium in the bone, might be to

a.

stimulate the release of calcitonin from the parathyroid gland

b.

stimulate the release of PTH from the thyroid gland

c.

stimulate the release of calcitonin from the thyroid gland

d.

none of the above would be a possible method of treatment

C

A bone that may develop in a tendon is called a(n)

a.

sesamoid bone

b.

irregular bone

c.

long bone

d.

none of the above would develop in a tendon

A

The diploe

a.

is found in the medullary cavity

b.

is the outer layer of a long bone

c.

is the inner layer of a long bone

d.

is the middle layer of a flat bone

D

Which of the following is not true of the male skeleton?

a.

The bones tend to be larger than the female skeleton.

b.

The pelvic opening is wider than the female pelvic opening.

c.

The markings on the bones are larger and more distinct than in the female.

d.

All of the above are true of the male skeleton.

B

Regarding the density of the bone, what occurs after age 50?

a.

Bone density often increases slowly.

b.

Bone density often decreases slowly.

c.

Bone density often decreases but gradually increases.

d.

There are no changes that occur.

B

A person who works daily with a heavy load on his/her right arm would expect to have

a.

less dense bones in the right arm and shoulder

b.

denser bones in the left arm and shoulder

c.

denser bones in the right arm and shoulder

d.

no change in the density of bone in either arm or shoulder

C