Axial Skeleton

Question 1

How many bones make up the Axial skeleton?

Answer 1

80

Question 2

What composes the axial skeleton?

Answer 2

Sinuses
Sutures
Fontaneros
Skill
Hyboid
Vertebral column
Thoracic Cage

Question 3

Paranasal Sinuses

Answer 3

Cavities in bones of the skull that communicate with the nasal cavity

Question 4

What cranial bones contain the sinuses?

Answer 4

Frontal
Sphenoid
Ethmoid
Maxillae

Question 5

What is the function of paranasal sinuses?

Answer 5

Lined with a mucous membrane, they lighten the skull and have resonating chambers for speech

Question 6

Name these areas of the paranasal sinus L to R

Answer 6

Frontal sinus, ethmoid sinus, and the sphenoid sinus

Question 7

Immovable joints found only between skull bones

Answer 7

Sutures

Question 8

What is a joint functional classification?

Answer 8

A classification based on what movement a joint can do

Question 9

Immovable joint classification

Answer 9

Synarthrosis

Question 10

Slightly movable joint classification

Answer 10

Amphiarthrosis

Question 11

Freely movable joint classification

Answer 11

Diarthrosis

Question 12

What functional classification is all synovial joints?

Answer 12

Diarthrosis (freely movable)

Question 13

What is Structural Classification?

Answer 13

What kind of C.T. binds the bones together.

Question 14

Lacks a synovial cavity, connected by fibrous CT, rich in collagen fibers

Answer 14

Fibrous joints

Question 15

3 types of fibrous joints

Answer 15

Sutures
Syndesmosis
Interosseous membranes

Question 16

Where do you find Interosseous membranes?

Answer 16

Between the radius and the ulna and the tibia and fibula

Question 17

Where do you find Synesmosis joints?

Answer 17

Joints where ligaments are used to attach the bone

Question 18

Label the fetal skull (L down, then R down)

Answer 18

L: Parietal bone, Future squamous suture, posterior fontanel, future lamboid suture, posterolateral fontanel, occipital bone.

R: Anterior Fontanel, future coronal suture, anterolateral fontanel, sphenoid bone, temporal bone

Question 19

What are fontanels?

Answer 19

Dense CT membrane filled spaces between the cranial bones of fetuses and infants

Question 20

What are the major fontanels?

Answer 20

Anterior, posterior, anterolateral and posterolateral fontanels

Question 21

2 major functions of fontanels

Answer 21

Allows fetal skeleton to modify its shape as it passes through the birth canal

Permits rapid growth of the brain during infancy

Question 22

How many bones is the skull made up of?

Answer 22

22 bones

Question 23

Label the skull structures top to bottom

Answer 23

Coronal suture
Supraorbital foramen
Supraorbital margin
Optic formen (canal)
Superior orbital fissure
Temporal bone
Nasal bone
Sphenoid bone
Inferior orbital fissure
Middle basal concha
Infraorbital foramen
Maxilla
Aveolar process of maxilla
Aveolar process of mandible
Mandible

Question 24

Label the skull structures from top to bottom

Answer 24

Frontal bone
Frontal squama
Parietal bone
Supraorbital notch
Squamous suture
Sphenoid bone
Orbit
Ethmoid bone
Palatine bone
Lacrimal bone
zygomaticofacial foramen
Zygomatic bone
Perpendicular plate of ethmoid bone
Inferior nasal concha
Vomer
Mental foramen