book FC head

Question 1

what artery lies beneath the pterion

Answer 1

middle meningeal artery

Question 2

what runs through the foramen magnum

Answer 2

spinal cord, meninges, vertebral arteries, anterior/posterior spinal arteries, and CN IX, X, X1

Question 3

what runs through the foramen cecum

Answer 3

nasal emissary vein

Question 4

what runs through the cribriform foramina in cribriform plate

Answer 4

axons of olfactory cells in olfactory epithelium that forms olfactory nerves

Question 5

what runs through the optic canals

Answer 5

optic nerve (CN 2) and ophthalmic arteries

Question 6

what runs through the superior orbital fissure

Answer 6

ophthalmic veins; CN 3, 4, V1, and 6

Question 7

what runs through the foramen rotunda

Answer 7

maxillary nerve

Question 8

what runs through the foramen ovale

Answer 8

mandibular nerve and accessory meningeal artery

Question 9

what runs through the foramen spinosum

Answer 9

middle meningeal artery and vein and meningeal branch of V3

Question 10

what runs through foramen lacerum

Answer 10

deep petrosal nerve

Question 11

what runs through the condylar canal

Answer 11

emissary vein

Question 12

what runs through the internal acoustic meatus

Answer 12

CN VII, CN VIII, and labyrinthine artery

Question 13

what fractures of the mandible are typically single and uncommon

Answer 13

fractures of the coronoid process of the mandible

Question 14

where do fractures of the body of the mandible typically pass through

Answer 14

socket of a canine tooth

Question 15

what occurs with a craniotomy

Answer 15

a section of the neurocranium is elevated or removed

Question 16

what has occurred when there is a anterior fontanelle that is small or absent, resulting in a long, narrow, wedge-shaped cranium

Answer 16

scaphocephaly due to premature closure of the sagittal suture

Question 17

what occurs when there is a loss of tons of the orbiculares oculi

Answer 17

inferior eyelid everts

Question 18

where is anesthetic injected in order to anesthetize one side of the skin and mucous membrane of lower lip and skin of cheek

Answer 18

into the mental foramen

Question 19

what division of the trigeminal is most oftenly affected with herpes zoster virus infection

Answer 19

ophthalmic division

Question 20

what do lesions near the origin of CN VII from the pons of the brain or proximal to the origin of the greater petrosal nerve result in

Answer 20

loss of motor, gustatory (taste) and autonomic functions

Question 21

what do lesson distal to the geniculate ganglia but proximal to the origin of the chorda tympani nerve produce

Answer 21

loss of motor, taste, but lacrimal secretion is not affected

Question 22

what nerve can be injured most likely with fracture of the temporal bone

Answer 22

facial nerve

Question 23

where do cancer cells of the lateral parts of the lower lip drain

Answer 23

submandibular lymph nodes

Question 24

what layers of the cranial meninges make up the leptomeninx

Answer 24

arachnoid and pia mater

Question 25

what lies in the longitudinal cerebral fissure that separates the right and left cerebral hemispheres

Answer 25

falx cerebri

Question 26

what separates the occipital lobes of the cerebral hemispheres from the cerebellum

Answer 26

tentorium cerebelli

Question 27

what forms the straight sinus

Answer 27

union of the inferior sagittal sinus and the great cerebral vein

Question 28

what connects the dural venous sinuses with the veins outside the cranium

Answer 28

emissary veins

Question 29

what is the middle meningeal artery a branch of

Answer 29

maxillary artery

Question 30

what foramen does the middle meningeal artery run through

Answer 30

foramen spinosum

Question 31

what cranial nerve provides the most innervation to the dura mater

Answer 31

trigeminal

Question 32

what typically drains the blood from the medial angle of the eye, nose and lips (inferiorly)

Answer 32

facial vein

Question 33

what nerve can likely be injured with tectorial herniation

Answer 33

CN III

Question 34

how do the facial veins make clinically important connections with the cavernous sinus

Answer 34

through the superior ophthalmic veins

Question 35

what do the vascular and occipital sinuses communicate through

Answer 35

foramen magnum with the internal vertebral venous plexuses

Question 36

what cranial nerves lie in or close to the lateral wall of the cavernous sinus

Answer 36

CN III, CN IV, CN V1, CN V2, and CN VI

Question 37

what is the origin of extradural (epidural) hemorrhage

Answer 37

arterial (middle meningeal)

Question 38

what is the origin of dural border hemorrhage

Answer 38

venous (superior cerebral vein)

Question 39

what is the origin of subarachnoid hemorrhage typically

Answer 39

rupture of a saccular aneurysm (i.e.: of the internal carotid artery)

Question 40

what is the site of choice for cisternal puncture in infants and young children

Answer 40

cerebellomedullary cistern

Question 41

what is the site of choice for cisternal puncture in adults

Answer 41

lumbar cistern

Question 42

where does blockage typically occur with a obstructive hydrocephalus

Answer 42

cerebral aqueduct or inter ventricular foramen

Question 43

what do fractures of the medial wall of the orbit effect

Answer 43

ethmoidal and sphenoidal sinuses

Question 44

what do fractures of the orbital wall sometimes effect

Answer 44

maxillary sinus

Question 45

what is the easiest way to enter the orbital cavity for a tumor of the middle cranial fossa

Answer 45

superior orbital fissure

Question 46

what nerve is being tested with the blink reflex

Answer 46

CN V1

Question 47

what nerve is closely related to the medial aspect of the 3rd molar teeth

Answer 47

lingual nerve

Question 48

where does the greater palatine nerve emerge

Answer 48

between the 2nd and 3rd molar teeth

Question 49

where does a lingual carcinoma in the posterior tongue metastasize

Answer 49

superior deep cervical lymph nodes on both sides

Question 50

what is access to the deeply placed pterygopalatine fossa gained through

Answer 50

maxillary sinus

Question 51

what does the nasolacrimal duct open into

Answer 51

inferior part of the inferior nasal meatus

Question 52

what is the chief nerve supply to the postern-inferior portion of the nasal mucosa

Answer 52

maxillary nerve via the nasaopalatine nerve

Question 53

what is the chief nerve supply to the anterosuperior portion of the nasal mucosa

Answer 53

ophthalmic nerve via the anterior and posterior ethmoidal nerves (branches of nasociliary nerve)

Question 54

where do the posterior ethmoidal cells open directly into

Answer 54

superior meatus

Question 55

where do the middle ethmoidal cells open into

Answer 55

directly into middle meatus

Question 56

where do the anterior ethmoidal cells open into

Answer 56

directly or indirectly into the middle nasal meatus through the ethmoidal infundibulum

Question 57

where does the maxillary sinus open into

Answer 57

middle nasal meatus of the nasal cavity by way of the semilunar hiatus

Question 58

which nasal sinuses are the most commonly infected

Answer 58

maxillary

Question 59

how do you manipulate an adult ear during physical exam

Answer 59

up, out and back

Question 60

how do you manipulate an infant or child ear during physical exam

Answer 60

down and back

Question 61

what is infection of the middle ear typically secondarily due to

Answer 61

upper respiratory infections

Question 62

what provides the primary sensory innervation to the external ear

Answer 62

CN V and X