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PTRS 710 Exam 4 > Nose/Ear/Mastication > Flashcards

Nose/Ear/Mastication Flashcards

1
Q

Sinusitis

A

Inflammation of 1+ paranasal sinus

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2
Q

Anosmia

A

Loss of smell due to shearing of olfactory nerves

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3
Q

Epstaxis

A

Nosebleed

Kiesselback’s area is frequent site

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4
Q

Nose Arteries

A

Anterior ethmoid
Sphenopalatine
Greater palatine
Superior labial arteries

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5
Q

Paranasal Sinuses

A

Frontal
Ethmoidal
Maxillary
Sphenoidal

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6
Q

Frontal & Maxillary Referred Pain

A

Tapping on bone superficial to sinus will cause pain

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7
Q

Sphenoid Referred Pain

A

Pain to the top of head

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8
Q

Ethmoid Referred Pain

A

Pain lateral to eyes

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9
Q

External Ear

A

Pinna
Ear canal
Tympanic membrane

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10
Q

Middle Ear

A

Ossicles (MIS)
Eustachian tube (transmits vibration in air to fluid)
Tensor tympani (CN V3)
Stapedius (CN VII - limits transfer of energy during loud sounds)

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11
Q

Inner Ear

A

Vestibulocochlear organs interpret vibrations as nerve impulses & sends to brain

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12
Q

Bruised Ear (Cauliflower)

A

Hematoma between cartilage & perichondrium (cartilage will die and reduce size causing deformity)

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13
Q

Ear Drum/Tympanic Membrane

A

Cone-shaped to capture sound

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14
Q

Myringotomy

A

Incisions in eardrum for tubes through membrane

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15
Q

Cholesteatoma

A

Excess invagination of tympanic membrane leading to benign accumulation of dead squamous cells trapped in middle ear
Destroy middle ear by compression

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16
Q

Eustachian Tube

A

Equilibrates pressure of closed middle ear w/ pressure in nasal pharynx during swallowing/yawning

17
Q

Otosclerosis

A

New bone around stapes that leads to loss of vibration and progressive deafness

18
Q

Acoustic Neuroma

A

Benign Schwann cell tumor of cell myelinating CN VIII

19
Q

Acoustic Neuroma Signs

A

Unilateral hearing loss/tinnitus

Loss of balance/dizziness

20
Q

Muscles of Mastication

A

Temporalis
Masseter
Medial and Lateral Pterygoid

21
Q

TMJ

A

Mandible, temporal bone and fibrocartilaginous articular disc make up hinge and gliding joint for open, closing, protrusion, retraction and lateral rotation

22
Q

Dislocated Jaw

A

Head of mandible slides too far anteriorly and locks jaw open

23
Q

Dislocated Jaw MOI

A

Mouth open too wide
Bumped when open
Over contraction of lateral pterygoid

24
Q

Chorda Tympani

A

Branch of CN VII

Joins lingual nerve to provide sensory for taste to anterior 2/3 tongue

25
Q

Submandibular and Sublingual Glands

A

Salivary

Innervated by CN VII

26
Q

Motor Nerve Supply to Tongue

A

CN XII, except palatoglossus (CN X)

27
Q

Sensory (anterior 2/3)

A

Lingual (CN V3)

Off mandibular of trigeminal

28
Q

Taste (anterior)

A

CN VII via chorda tympani

29
Q

Sensory and taste (posterior 1/3)

A

CN IX

PTRS 710 Exam 4 (8 decks)

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