Chapter 7

Question 1

What are the axial skeleton functions?

Answer 1

Supports and protects brain, spinal cord, and organs in the trunk; provides attachment sites for muscles

Question 2

How many bones are in the skull?

Answer 2

22

Question 3

How many facial bones are there?

Answer 3

14

Question 4

How many cranial bones are there?

Answer 4

8

Question 5

What are the 7 associated bones?

Answer 5

6 auditory ossicles and 1 hyoid(larynx)

Question 6

What are sutures?

Answer 6

Joints between the skull bones

Question 7

Where are the four major suture joints?

Answer 7

Coronal(frontal to parietal), squamous(temporal to parietal), sagittal(parietal bones), and lambdoid(occipital to parietal)

Question 8

What are sutural bones?

Answer 8

Small bones located between sutures of certain cranial bones

Question 9

How many sutural bones are there?

Answer 9

0-3

Question 10

Nasal bones form ___ of the nose

Answer 10

The bridge of the nose

Question 11

Lacrimal bones form ___ of the orbit socket

Answer 11

The medial wall of the orbit socket

Question 12

Palatine bones form the ___ of the hard pallet and the ___ of the orbit socket

Answer 12

The posterior portion of the hard pallet and the floor of the orbit socket

Question 13

Zygomatic bones form

Answer 13

The cheekbone and the rim and lateral wall of the orbital socket

Question 14

Maxillae bones form

Answer 14

The upper jaw and most of the hard pallet

Question 15

The inferior nasal conchae is located

Answer 15

in the nose

Question 16

What does the inferior nasal conchae do?

Answer 16

Warm and humidify inhaled air

Question 17

Vomer forms

Answer 17

The bony portion of the septum

Question 18

Mandible forms

Answer 18

The lower jaw

Question 19

The mandible is divided into

Answer 19

Body and ascending ramus

Question 20

The ramus begins at the

Answer 20

Mandibular angle

Question 21

The condylar process is located

Answer 21

Under the temple

Question 22

What connects to the mandibular notch?

Answer 22

The jaw muscle

Question 23

The coronoid process is located

Answer 23

Right under the maxillae

Question 24

The alveolar process supports

Answer 24

Lower teeth

Question 25

The frontal bone forms

Answer 25

The forehead and roof of the orbits

Question 26

What do frontal sinuses do?

Answer 26

Secrete mucus to help flush the nasal cavities

Question 27

The sphenoid bones form

Answer 27

The floor of the cranium

Question 28

What do the sphenoid bones do?

Answer 28

Unite facial and cranial bones; strengthen the sides of the skull

Question 29

The ethmoid bone forms

Answer 29

The anterior-medial portion of the cranium, roof of the nasal cavity, part of the nasal septum, and medial orbital wall

Question 30

Where is the external occipital crest located?

Answer 30

The bottom notch of the occipital bone

Question 31

What does the external occipital crest do?

Answer 31

Provide as an attachment point for ligaments that stabilize the neck

Question 32

The mastoid process is below the temple and is an

Answer 32

Attachment point for muscles to rotate and extend the head

Question 33

The styloid process is below the mastoid process and provides an attachment point for

Answer 33

Chewing muscles

Question 34

The external acoustic meatus is

Answer 34

The tunnel portion of the ear

Question 35

The mandibular angle is

Answer 35

The lower jaw

Question 36

The mental protuberance is

Answer 36

The chin(where many facial muscles attach)

Question 37

The alveolar processes support

Answer 37

The teeth

Question 38

Sinuses are

Answer 38

Hollow spaces within bone

Question 39

The inner ear is made up of

Answer 39

Petrous portion of the temporal bone

Question 40

The internal acoustics meatus is located

Answer 40

Past the eardrum

Question 41

The internal acoustic meatus is a passageway for

Answer 41

Blood vessels and facial nerves

Question 42

The cranial cavity and vertebral canal is connected by the

Answer 42

Foramen magnum

Question 43

The mandibular fossa connects

Answer 43

The temporal bone and mandible

Question 44

Occipital condyles connect

Answer 44

The skull and the first vertebrae

Question 45

What passes through optic canals?

Answer 45

Optic nerves

Question 46

The sella turcica is

Answer 46

A saddle shaped enclosure in the middle of the sphenoid bone

Question 47

The hypophyseal fossa is

Answer 47

The dent of the sella turcica

Question 48

The hypophyseal fossa protects and supports

Answer 48

The pituitary gland

Question 49

The pterygoid processes are the

Answer 49

“Feet” of the sphenoid bone; forms pterygoid plates

Question 50

The cribriform plate forms

Answer 50

The middle bottom of the cranial floor

Question 51

Olfactory means

Answer 51

Sense of smell

Question 52

The crista galli protects the

Answer 52

Cribriform plate

Question 53

The perpendicular plate of the ethmoid bone forms

Answer 53

Part of the nasal septum

Question 54

The palatine bone forms

Answer 54

The posterior/back of the hard pallet and the floor of each orbit

Question 55

The orbital complexes protect the

Answer 55

Eyes

Question 56

The nasal complex surrounds the

Answer 56

Nasal conchae

Question 57

What are the major sinuses?

Answer 57

Frontal sinus, ethmoidal sinuses, sphenoid sinus, and maxillary sinus

Question 58

Where are paranasal sinuses found?

Answer 58

Sphenoid, ethmoid, palatine, frontal, and maxillary bones

Question 59

What are the bones of the ear?

Answer 59

Malleus(hammer), Incus(anvil), and stapes(stirrup)

Question 60

How many bones are in the vertebral column?

Answer 60

26

Question 61

What are the regions of the spine?

Answer 61

Cervical(7), Thoracic(12), Lumbar(5), Sacral, and Coccygeal

Question 62

The major spinal curves are

Answer 62

Thoracic and sacral (form before birth)

Question 63

The secondary spinal curves are

Answer 63

Cervical and lumbar (form after birth)

Question 64

The sacrum is made of

Answer 64

5 fused vertebra

Question 65

Osteoporosis is the disorder of

Answer 65

Losing calcium in the bones

Question 66

The transverse process of the spine is for

Answer 66

Muscle attachment

Question 67

The facet of superior articular process of the spine connects

Answer 67

Vertebrae together

Question 68

The cervical vertebrae have ___ spinous processes

Answer 68

2

Question 69

The atlas is

Answer 69

C1

Question 70

The axis is

Answer 70

C2

Question 71

Thoracic vertebrae have a ___ spinous process

Answer 71

Long and thin

Question 72

Ribs are connected to the thoracic vertebrae by

Answer 72

The fact for tubercle of rib and superior costal facet

Question 73

The lumbar vertebrae look like

Answer 73

A moose; large, short, and thick

Question 74

The coccyx is made of ___ fused vertebrae

Answer 74

3

Question 75

Herniated discs form at the

Answer 75

Nucleus pulposus

Question 76

True ribs are from

Answer 76

1-7

Question 77

False ribs are from

Answer 77

8-12

Question 78

Which ribs are floating?

Answer 78

11-12