Ch 5 MP: The Skeletal System

How many facial bones are there?

14

The number of bones found in a typical human is ______.

206

There are ________ tarsal bones in each foot.

7

How many cranial bones are there?

8

The two major divisions of the skeleton are the ______.

Appendicular & Axial

Which is NOT a result of a growth hormone abnormality?

Marfan syndrome

A comminuted fracture is characterized by

Shattering, with multiple bone fragments

How does spongy bone differ from compact bone?

Spongy bone has trabeculae rather than osteons.

The first step of fracture repair is

a fracture hematoma develops.

Which of the following is an accurate analogy to describe the osteon?

a target the central canal is the bulls-eye

The soft spot most recognizable in newborns is the ________ fontanelle.

anterior

The vertebra lacking a body and spinous process is called the

atlas

The bones that conduct sound wave vibrations to the inner ear are called the

auditory ossicles.

The bones of the wrist are called

carpals

The tarsals of the foot are analogous to the ________ of the hand.

carpals

The most common method of bone formation involves replacement of ________ with bone.

cartilage

Closed fractures are

completely internal

Bone is a type of ______ tissue.

connective

Which suture separates the frontal bone from the two parietal bones?

coronal

Osteoclasts and macrophages are similar in that both

derive from the same stem cell.

The shaft of a long bone is called a(n) _____.

diaphysis

The type of joint that allows the highest freedom of movement is

diarthrosis

Marfan syndrome is caused by

excessive cartilage formation

A shallow depression or recession on a bone surface is called a

fossa

Appositional growth adds ________ to bones.

girth

The socket for the shoulder joint is the

glenoid cavity

The superior articular process of one vertebra articulates with the ________ of the vertebrae above it.

inferior articular process

Vertebrae are examples of ________ bone.

irregular

Which suture separates the occipital bone from the two parietal bones?

lambdoid

The femur is an example of a(n) ________ bone.

long

Weight loss is a potential therapy to alleviate the symptoms of

lordosis

The largest vertebrae are called the

lumbar

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

maintaining pH homeostasis

The bone forming the lower jaw is called the

mandible

The clavicle articulates with the ________ medially and the ________ laterally.

manubrium; acromion process

The bone that supports the upper teeth is called

maxillae

The sites of articulation of the skull with the vertebrae are called

occipital condyles

The process of removing and recycling bone matrix is called ________ and is accomplished by ________.

osteolysis; osteoclasts

The bone forming the posterior portion of the hard palate is called

palatine

The force most likely to break a bone would be applied

perpendicular to the diaphysis.

The most common distortion of the vertebral curvature is

scoliosis

The structure that encloses the pituitary is called the

sella turcica

An example of a ball-and-socket joint is the

shoulder

Air-filled chambers within the skull are called ______.

sinuses

Which of the following is a role of the fibula?

stabilizing the ankle joint

Which is NOT a function of the vertebrae?

supporting the brain in the skull

The spinal curves that develop before birth are

thoracic and sacral

The pectoral girdles consist of

two clavicles and two scapulae

Which of the following is NOT a role of osteocytes?

undergoing frequent cell division

The ribs articulate posteriorly with ________ and anteriorly with ________.

vertebrae; sternum