Ch 8: The Skeletal System

Question 1

The head and thoracic bones make up the ________ skeleton.

Answer 1

Axial

Question 2

The clavicle, scapula, arm, leg and pelvic bones make up the _______ skeleton.

Answer 2

appendicular

Question 3

The axial skeleton contains what bones (general).

Answer 3

skull and thoracic bones

Question 4

The appendicular skeleton consists of what general bones?

Answer 4

• clavicle
• scapula
• arm bones
• leg bones
• pelvic bones

Question 5

There are _____ bones in a typical adult skeleton.

Answer 5

206

Question 6

Why are their more bones in children and infants?

Answer 6

Many will fuse with age and growth.

Question 7

The cribriform plate forms…

Answer 7

the roof of the nasal cavity (ethmoid bone)

Question 8

What are the 14 facial bones?

Give names and number of each.

Answer 8

(NIMPLZ VM)

Nasal bones x2

Inferior nasal conchae x2

Maxillae x2

Palatine bones x2

Lacrimal x2

Zygomatic x2

Vomer x1

Mandible x1

Question 9

What part of the mandible joins at the maxilla?

Answer 9

Mandibular condyles

Question 10

What are the three auditory ossicles?

Answer 10

1. Malleus
2. Incus
3. Stapes

Question 11

Damage to what bone is a sign of strangulation?

Answer 11

Hyoid

Question 12

Which bone is not attached to any other?

Answer 12

Hyoid

Question 13

What are fontanels?

Answer 13

spaces between unfused bone on a baby’s head

Question 14

What are the two fontanels found on babies?

Answer 14

Anterior and posterior

Question 15

What is the age range for when the sacrum vertebrae fuse into one bone?

Answer 15

20-30 years

Question 16

Ribs 1-7 are called

Answer 16

true ribs

Question 17

Ribs 8-12 are called…

Answer 17

false ribs

Question 18

What are the numbers of the floating ribs?

Answer 18

11 and 12

Question 19

What does costal cartilage do?

Answer 19

Join ribs to sternum

Question 20

True or False

All ribs connect to the vertevrae

Answer 20

TRUE

Question 21

What is the hallux?

Answer 21

the big toe

Question 22

Immovable joints

Answer 22

Sutures

Question 23

Small holes where nerves pass through

Answer 23

foramina

Question 24

Part of the ethmoid bone and is perforated by foramina to allow passage of olfactory nerves.

Answer 24

cribriform plate

Question 25

What physically supports the skull and trunk?

Answer 25

vertebral column

Question 26

condition that creates problems with the rubbery cushion between two bones.

Answer 26

herniated disks

Question 27

Supports the trunk and the lower limbs.

Answer 27

pelvic girdle

Question 28

Bone feature: A rounded knob found at joints

Answer 28

condyle

Question 29

Bone feature: Smooth ,flat and slightly concave articular surface.

Answer 29

facet

Question 30

Bone feature: Prominent end of a bone

Answer 30

head

Question 31

Bone feature: A narrow ridge

Answer 31

crest

Question 32

Expanded region superior to a condyle

Answer 32

epicondyle

Question 33

Bone feature: slightly raised elonged ridge

Answer 33

line

Question 34

Bone feature: Any boney prominence

Answer 34

process

Question 35

Bone feature: A protruding part

Answer 35

protuberance

Question 36

Bone feature: A sharp slender, or narrow process

Answer 36

spine

Question 37

Bone feature: Massive processes unique to the femur

Answer 37

trochanter

Question 38

Bone feature: Small, rounded, process

Answer 38

tubercule

Question 39

Bone feature: Rough, elevated surface

Answer 39

tuberosity

Question 40

Bone feature: Elongaged basin

Answer 40

fossa

Question 41

Bone feature: small pit

Answer 41

fovea

Question 42

Bone feature: Tunnel in a bone

Answer 42

canal

Question 43

Bone feature: A slit through a bone

Answer 43

fissure

Question 44

Bone feature: A hole through a bone

Answer 44

foramen

Question 45

Bone feature: Air filled space

Answer 45

sinus

Question 46

What is the difference between male and female pelvic girdle?

Answer 46

The female girdles greater in width and the male pelvic is better for movement.

Question 47

True or False Condyles are found int he axial skeleton only.

Answer 47

False

Question 48

The mastoid process cannot be palpated on a living person.

Answer 48

False

Question 49

True or False Sutures are found in the cranial bones, facial bones and sacral bones.

Answer 49

False

Question 50

All ribs articulate with the sternum.

Answer 50

False

Question 51

The pubic symphysis can be palpated as a hard prominence above the genitalia.

Answer 51

True

Question 52

The ischium is posterior to the pubis and inferior tot he ilium.

Answer 52

True

Question 53

The average number of bones int he adult skeleton is...

Answer 53

206

Question 54

All the bones listed below belong to the axial skeleton, except \_\_\_\_\_\_\_, which belongs to the appendicular. * Vertibrae * Ribs * Scapula * Sacrum * Sternum

Answer 54

Scapula

Question 55

A rounded knob that articulates with another bone is called a...

Answer 55

condyle

Question 56

Any bony prominence is called

Answer 56

a process

Question 57

Why does an adult not have as many bones as a child?

Answer 57

because separate bones gradually fuse with age.

Question 58

What is a sesamoid bone?

Answer 58

A bone that forms within some tendons in response to stress.

Question 59

A whole through a bone that usually allows passage for nerves and blood vessels is called a...

Answer 59

foramen

Question 60

Most of the bones of the skull are connected by immovable joints called

Answer 60

sutures

Question 61

The _______ houses the pituitary gland (hypophysis) and is found in the \_\_\_\_\_\_\_.

Answer 61

sella turcica; sphenoid bone

Question 62

The manubrium belongs to the

Answer 62

sternum

Question 63

Rib 7 is a

Answer 63

true rib

Question 64

Costal cartilages connect

Answer 64

ribs with the sternum

Question 65

The acromion is a feature of the

Answer 65

scapula

Question 66

The arm contains the \_\_\_\_\_\_\_, whereas the forearm contains the \_\_\_\_\_\_\_.

Answer 66

humerus, radius and ulna

Question 67

The glenoid cavity of the _______ articulates with the head of the \_\_\_\_\_\_\_.

Answer 67

scapula, humerus

Question 68

The acetabulum articulates with the

Answer 68

femur