Saureland Pre-Lab #1

Question 1

What makes up the skull?

Answer 1

the cranium–8 bones

facial bones–14 bones

Question 2

What is the fcn of the cranium?

Answer 2

to lodge & protect the brain

Question 3

What is a LeFort fracture?

Answer 3

traumatic separation of bones of cranium & facial bones

Question 4

What are the 8 bones of the cranium?

Answer 4

1 frontal
2 parietal
1 occipital
2 temporal
1 sphenoid
1 ethmoid

Question 5

What does the sphenoid bone look like?

Answer 5

butterfly shaped

can be partially seen in the orbit & near the temporal bone

Question 6

Air cells are found in which bone?

Answer 6

ethmoid bone

Question 7

What are the 14 facial bones?

Answer 7

2 nasal bones
2 maxillary bones
2 palatine bones
2 inferior nasal concha
1 vomer
2 lacrimal bones
2 zygomatic bones
1 mandible

Question 8

What are the total # of bones in the skull? What does this number become if you add the bilateral auditory ossicles?

Answer 8

Skull–22 bones

Total–28 bones

Question 9

T/F The mandible is involved in Le Fort Fractures

Answer 9

False.

Question 10

T/F The bones of the orbit include both cranial & facial bones.

Answer 10

True.

Question 11

Which types of Le Fort fractures are considered partial?

Answer 11

Type I & II

Question 12

Which types of Le Fort fractures are considered complete dysjunction?

Answer 12

Type III

Question 13

What does Type I & II Le Fort Fractures look like?

Answer 13

Type I: horizontal fracture of the maxilla

Type II: pyramidal shaped

Question 14

What is the fracture path of the Type III Le Fort fracture?

Answer 14

extends thru the wings of the sphenoid bone. It often fractures the zygomatic bones & arches.

Question 15

Which bones of the newborn calvaria are thin & pliable?

Answer 15

Frontal, parietal & occipital bones

Question 16

What are the sutures of the newborn calvaria?

Answer 16

sagittal, coronal, lambdoid

Question 17

What is the Galea aponeurotica?

Answer 17

it is a tendinous sheath that goes over the calvaria b/w the frontalis & occipitalis muscles.

Question 18

What is Caput succedaneum?

Answer 18

severe edema as a result of birth passage. This is above the galea & below the skin.

Question 19

Subgaleal hemorrhage–where is this found?

Answer 19

This is deep to the galea

Question 20

What’s the deal w/ Cephalhematoma?

Answer 20

This bleeding occurs & lifts the periosteum up too! Almost all the layers lifted up, except the bone itself
**with this one you can injure the sutures b/c it occurs below the periosteum

Question 21

What can give you spastic diplegia?

Answer 21

an intracranial hemorrhage (plial hemorrhage)

Question 22

Does real damage happen w/ a Depressed Ping Pong Fracture?

Answer 22

no, but it looks bad.

Question 23

Parotitis–what is this? What causes this?

Answer 23

infection of the parotid gland

**caused by calculus or mumps

Question 24

An ascending infection that goes into the parotid gland is called what?

Answer 24

terminal parotitis

Question 25

Is there pain w/ an adenocarcinoma of the parotid gland?

Answer 25

Yes.