Leic insight sba

Question 1

CN 8 damage causes what kind of hearing loss

Answer 1

sensioneural

Question 2

where is cut in cricothryrotomy

Answer 2

between the cricoid cartilage and thyroid cartilage

Question 3

describe the movements at the temporomandibular joint

Answer 3

retrusion- temporal
protrusion-lateral pterygoid
elevation-temporal, masseter, medial pterygoid
depression- lateral pterygoid, suprahyoid, infrahyoid
lateral- ipsilateral temporal and contralateral pterygoid

Question 4

trigeminal nerve divisions run thru what

Answer 4

Va ophthalmic - superior orbital fissure

Vb maxillary - formamen rotundum

Vc mandibular - foramen ovale

Question 5

contents of the carotid sheath inferiorly

Answer 5

’ I SEE 10 CC in the IV’

• Internal carotid
• CN 10 vagus
• common carotid
• internal jugar vein

Question 6

what nerves does the mandibular nerve give off?

Answer 6

mandibular nerve (lower face sensation)
inferior alveolar nerve (lower gums and teeth)
> passes thru mental foramen
mental nerve (sensation over skin and chin and lower lip)

Question 7

1st pharyngeal cleft forms

Answer 7

external auditory meatus

Question 8

pharyngeal arches associated nerves

Answer 8

first
- trigeminal

second
- facial

third
- glossopharyngeal

fourth
- superior laryngeal of vagus

sixth
- recurrent laryngeal of vagus

Question 9

all laryngeal muscles innervated by

Answer 9

recurrent laryngeal nerve

APART FROM cricithyroid which is external laryngeal nerve