Lecture 2 and 6- Scalp and Skull

Question 1

layers of the scalp

Answer 1

skin, CT (dense), aponeurosis, loose CT, periosteum

Question 2

in what layers of the scalp would hair and hair follicles be located

Answer 2

skin and dense CT

Question 3

in what layer would significant bleeding occur?

Answer 3

dense CT

Question 4

what layer of the scalp do infections tend to localize and spread?

Answer 4

loose connective tissue

Question 5

TMJ is made up of which two cavities?

Answer 5

neurocranium and viscero-cranium

Question 6

where does the cerebellum sit?

Answer 6

posterior cranial fossa

Question 7

what are the 6 bones of the cranium?

Answer 7

frontal, sphenoid, ethmoid, occipital, parietal, temporal

Question 8

name all of the bones of the facial skeleton?

Answer 8

zygomatic, lacrimal, nasal, inferior nasal conchae, palatine, maxilla, mandible, vomer, ethmoid, sphenoid-pterygoid process

Question 9

what are the 7 bones of the eye orbit?

Answer 9

maxilla, zygomatic, frontal, ethmoid, lacrimal, sphenoid, palatine

Question 10

what 3 bones form the orbit of the eye

Answer 10

frontal, maxilla, zygomatic

Question 11

what is the intersection of the frontal and nasal bones called?

Answer 11

nasium

Question 12

what bones does the temporal bone articulate with?

Answer 12

parietal, sphenoid, occipital, mandible, zygomatic

Question 13

what are soft spots on the skull called in children

Answer 13

anterior and posterior fontanelle

Question 14

what bones does the coronal suture connect?

Answer 14

frontal and parietal

Question 15

what bones does the squamous suture connect?

Answer 15

Temporal and parietal bones

Question 16

what bones does the lamboid suture connect?

Answer 16

occipital and parietal

Question 17

what bones does the pterion suture connect?

Answer 17

sphenoid, parietal, temporal, and frontal

Question 18

why are fractures to the spheno-parietal suture so life threatening?

Answer 18

middle meningeal vessels under this suture and fracture to this suture can lead to an epidural hematoma

Question 19

what does the mandibular condylar process articulate with?

Answer 19

temporal

Question 20

define craniosyntosis

Answer 20

closing of the cranial bones early, plagiocephaly

Question 21

what is the bregma

Answer 21

junction of sagittal and coronal sutures

Question 22

what is the lamda

Answer 22

junction of sagittal and lambdoid sutures

Question 23

what nerves are in the anterior cranial fossa?

Answer 23

olfactory 1

Question 24

what nerves are in the middle cranial fossa?

Answer 24

2- Optic
3- Oculomotor
4- trochlear
5- trigeminal
6- abducens

Question 25

what nerves are in the posterior cranial fossa?

Answer 25

7- facial 8- vestibulocochlear 9- glossopharyngeal 10- vagus 11- accessory 12- hypoglossal

Question 26

which bones are in the anterior cranial fossa

Answer 26

ethmoid, sphenoid, and fronta;

Question 27

the crista galli and cribiform plate are part of what bone

Answer 27

ethmoid

Question 28

what bones are in the middle cranial fossa

Answer 28

sphenoid, temporal, parietal

Question 29

what bones are in the posterior cranial fossa

Answer 29

occipital, parietal, temporal, sphenoid

Question 30

which nerves innervate the dura

Answer 30

trigeminal, vagus, 1-2 cervical n, ethmoidal nerves

Question 31

what are the boundaries of the extradural hematoma

Answer 31

cranium and dura

Question 32

where is the subdural hematoma

Answer 32

dura mater and pia mater

Question 33

what is a subarachnoid hemorrhage

Answer 33

in subarachnoid space

Question 34

which nerve is closest to the internal carotid artery

Answer 34

optic nerve