Orbit, Eyes, Nose, Ear - 2019 Flashcards by Donny Insular

Q

Lymph drainage of nasal cavity

A

submandibular duct

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Q

Vessel involved in epistaxis

A

sphenopalatine a.

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Q

Facial n.-

A

anterior 2/3 of ear

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Q

Where does chorda tympani originate

A

facial

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Q

Does not belong to the inferior wall of orbit-

A

ethmoidal

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Q

Contains organ of balance

A

inner ear

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Q

Nerve for superior oblique

A

4th

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Q

Medial wall of orbit

A

lacrimal fossa

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Q

Communicates with mastoid antrum

A

middle ear

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Q

Nerve- muscle interaction: oculomotor n.

A

medial rectus

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Q

True or False: Light first enters the cornea

A

true

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Q

What does not pass through sup. Orbital fissure-

A

optic n.

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Q

Does not belong in tendinous ring

A

sup. Oblique

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Q

What concerns the orbit-

A

lateral wall is thickest

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Q

Microorganisms enter meninges of the anterior cranial fossa

A

meningitis

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Q

Receives the opening of nasolacrimal duct-

A

inferior meatus

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Q

Otitis media

A

bulging

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Q

Focus on object near the nose

A

medial rectus, oculomotor

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Q

Nerves passing through superior orbital fissure

A

transmits CN 3,4,6

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Q

Medial wall infection

A

labyrinthitis

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Q

Union of facial and temporalis veins

A

Superior ophthalmic vein

Q

Unable to close eyes, nerve damage where?

A

Facial nerve

Q

Part of medial wall of orbit

A

Body of sphenoid

Q

Area for most distinct vision

A

Macula lutea

Q

Iris

A

Regulates lights entering the eye

Q

Nasociliary nerve

A

Superior orbital fissure

Q

Frontal nerve

A

Superior orbital fissure, passes forward on upper surface of the levator

Q

TRUE or FALSE: Chorda tympani contains taste fibers 2/3 of tongue

A

TRUE

Q

Clear layer of eye

A

Conjunctiva

Q

Action of superior oblique

A

Depression

Q

Nasolacrimal duct

A

Inferior meatus

Q

Most distinct vision

A

Macula

Q

Cross-eyed

A

Oculomotor and median rectus

Q

Refractory; eyeball

A

Cornea

Q

Roof of middle ear

A

Tegmen tympani

Q

Spread of infection; roof of the ear

A

Meningitis

Q

Superior oblique fissure

A

CN III, IV, VI

Q

Infant examination; pull ears

A

Downward

Q

Communication to mastoid antrum

A

Middle ear

Q

Ossicles

A

Middle ear

Q

Bulging of tympanic membrane

A

Otitis media

Q

Inf. Ophthalmic v., Zygomatic n.

A

Inferior orbital fissure

Q

Equalizes air pressure

A

Auditory tube

Q

Sensory innervation of external auditory meatus

A

Auriculotemporal n.

Q

Nasal cavity lymph drainage

A

submandibular

Q

Roof of nasopharynx

A

Cribriform plate of ethmoid

Q

Lymph drainage of nasal cavity

A

Submandibular duct

Q

Vessel involved in epistaxis

A

Sphenopalatine a.

Q

Contains organ of balance

A

Middle ear

Q

True or False: Light first enters the cornea

A

True

Q

Microorganisms enter the meninges of the anterior cranial fossa

A

Meningitis

Q

Receives the opening of the nasolacrimal duct

A

Inferior rectus