Q3 Station 1 axial skeleton

Question 1

what are the eight bones in the cranium?

Answer 1

frontal
Ethmoid
Sphenoid
temporal (left and right)
parietal (left and right)

Question 2

what does the Occipital condyle articulate with?

Answer 2

first cervical vertebrate

Question 3

the foramen magnum connects what?

Answer 3

connects the cranial and spinal cavity

Question 4

The spinal cavity is enclosed by what?

Answer 4

the vertebral column

Question 5

the coronal suture lies in which body plane?

Answer 5

frontal (coronal)

Question 6

frontal bone forms what?

Answer 6

the forehead and the roof of the orbits

Question 7

what does the frontal bone contains what?

Answer 7

the frontal sinuses

Question 8

What are above the supraorbital margins?

Answer 8

thickend ridges which support the eyebrows which are anatomically termed the superciliary arches

Question 9

what two pieces for the zygomatic arch?

Answer 9

the zygomatic process of the temporal bone and the temporal process of the zygomatic bone

Question 10

what is the external acoustic meatus?

Answer 10

where sound enters the ear

Question 11

sphenoid bone is considered the “keystone” of the cranium. why?

Answer 11

beacuse it is hidden and articulates with frontal, occipital, ethmoid, and temporal bones

Question 12

what passes through optic canal?

Answer 12

optic nerve

Question 13

what sits in the sella turcica?

Answer 13

the pituitary gland

Question 14

pterygoid processes of the sphenoid bone. What attaches to this?

Answer 14

attachment muscles that move the lower jaw

Question 15

Ethmoid bone

what is the Crista galli?

Answer 15

an attachment site for the fibous membrane of the brain; it aids in securing the brain within the cranial cavity

Question 16

Ethmoid bone

what are the cribriform plates? what do they do?

Answer 16

help make up the roof of the nasal cavity

the tiny holes have the olfactory nerves pass through

Question 17

perpendicular plate extends where?

Answer 17

extends inferiorly along the midline of the ethmoid.

Question 18

what does the perpendicular plate form?

Answer 18

the nasal septum along with part of the vomer bone and some hyaline cartilage. specifically, the bony nasal septum consists of the perpendicular plate superiorly, the comer vomer inferiorly and hyaline cartilage anteriorly

Question 19

what is the function of the superior and inferior conchae?

Answer 19

mucous secretions from these air cells flush surface of nasal cavities

Question 20

zygomatic bones from the zygomatic arch with what?

Answer 20

with zygomatic process of the temporal bone

Question 21

mandible contains the submandibular fossa- what is in this fossa?

Answer 21

submandibular salivary glands

Question 22

Hyoid bone

what is unique about this bone?

Answer 22

it is not in direct contact with any other bones

Question 23

What is the hyoid bones function?

Answer 23

serves as a base for several muscles and ligaments concerned with movement of the tongue and larynx