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Vet Nursing LAB > 7:Ear Exam & Care > Flashcards

7:Ear Exam & Care Flashcards

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1
Q

Pinna or auricle

A

External portion of the ear that catches sound waves and transmits them to the canal
Plural:pinnae

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2
Q

Tube that transmits sound from the pinna to the tympanic membrane

A

External auditory canal or external ear canal

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3
Q

Tissue that separates external ear from middle ear

A

Tympanic membrane (eardrum)

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4
Q

Area from tympanic membrane to inner ear

A

Middle ear

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5
Q

Middle ear contains ___ bones of the ear

A

3, transmit sound vibrations

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6
Q

What part of the ear transmits sound vibrations

A

Middle ear

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7
Q

Where the inner ear is located

A

Embedded in bone of skull

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8
Q

Part of the ear that contains sensory receptors for hearing and balance

A

Inner ear

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9
Q

Part of ear that transmits signals to the cranial nerves, which go to the brain stem

A

Inner ear

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10
Q

Behavioral indications of ear problems is

A 
Scratching ears 
Shaking head 
Rubbing on floor 
Whimpering or pulling away when ears are touched 
Head tilt 
Circling
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11
Q

Head tilt may indicate

A

Inner ear problems (balance)

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12
Q

Circling may indicate

A

Inner ear problems (balance)

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13
Q

What a tipped ear is, why

A

Distal 1/4” removed from right pinna indicating cat has been spayed or neutered
Typically done in ferals
Double check for spay scar (frostbite)

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14
Q

What frostbite looks like

A

Usually effects both pinnae
Edge tends not to be smooth
May be scar tissue

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15
Q

Sunburn is most common in

A

Like haired, fair skinned animals
More common in cats bc less hair
Nose and dog abdomen

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16
Q

What sunburn on ears looks like

A

Blistered if new
Red, “crispy” looking
Deformed

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17
Q

Sunburn can result in

A

Cancer

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18
Q

Most common tumor on pinnae

A

Squamous cell carcinomas

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19
Q

Tumors may result from

More common in

A

Previous sunburn

Cats than dogs

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20
Q

Tumors look like

A

Red or black nodules

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21
Q

Aural hematoma

A

Accumulation of blood within pinna

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22
Q

What causes an aural hematoma

Often associated w

A

Shaking of head, rupturing blood vessels

Often associated with other ear conditions: parasitism, allergies and inflammation, infection, etc

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23
Q

Possible causes of scar tissue on pinna

A 
Healed aural hematoma 
Frostbite 
Sunburn 
Fighting 
Etc
24
Q

Excoriation

A

Scratching of the skin

25
Q

Excoriation usually happens where

A

Behind pinnae, sometimes inside pinnae, on face

26
Q

Excoriation looks like

Is usually due to

A

Blood, scabs, hair loss

Ear mites

27
Q

Indications of ear problems

A 
Redness 
Inflammation 
Discharge (excessive wax, ear mite debris, pus) 
Ulceration 
Foul odor
28
Q

Otitis

A

Inflammation of the ear

29
Q

Causes of otitis

A 
Hypothyroidism 
Allergies 
Ear mites 
Behavior (swimming) 
Breed disposition
Anatomical characteristics (shape, amount of hair) 
Improper treatment
Bacteria, yeast
30
Q

What kind of medicine is used to treat otitis externa

A

Topical medicine

31
Q

Hypothyroidism suppresses _____

which allows ______ growth

A

Immune response

Microbial

32
Q

Causes of otitis externa

A

Hypothyroidism
Mites and allergies (causes scratching)
Bacteria and yeast facilitated by warm moist environment (swimming, hair in ears, droopy ears)

33
Q

Eardrum ruptures and inflammation/ infection moves into middle ear would be
(Otitis externa, media or interna)

A

Otitis media

34
Q

Possible causes of otitis media

A

Chronic (ongoing or recurring) ear infections
Ear mites
Allergies

35
Q

What kind of medicine would you administer for otitis media

A

Systemic antibiotics

36
Q

Adenocarcinoma

A

Tumors of the ear canal,

37
Q

Where adenocarcinoma originates

Most common in

A

The glands that line the ear canal

Most common in dogs w chronic otitis

38
Q

Scratching ears
Shaking head
Sensitivity to ears being touched
Crumbly brownish red debris from ears

A

Ear mites

39
Q

Ear mites are more common in

A

Cats

40
Q

Secondary problems of ear mites

A

Excoriations
Aural hematomas
Bacterial infections
Ruptured tympanic membrane

41
Q

How to do a mite check

A

Place drop of mineral oil on slide
Swan ear, collecting debris
Put debris on slide and make a wet mount
Look at slide under low power

42
Q

What is an otoscope

A

Device used to look into ears

43
Q

How to use an otoscope

A 
Select tip size 
Turn on light 
Firm restraint critical 
Insert tip in a rostroventral direction(towards nose and down) 
Follow curve of canal
44
Q

Cerumenolytic

A

Ear cleaner designed to break down wax

45
Q

Kind of ear cleaner we use at Newell

A

Epi-optic (antibacterial and anti-fungal)

46
Q

Ear cleaning process

A 
Pull pinna up 
Squirt solution in canal in a rostroventral direction
Allow to over fill 
Massage upwards 
Work debris w cotton balls 
Wipe
47
Q

How to clean ears with chronic otitis

A

Often need sedation or gen anesthesia
Use a soft rubber bulb syringe
Lavage (flush) the external canal w lots of warm normal saline
Wipe w cotton balls

48
Q

DIY ear cleaner for otitis

Dries ears out

A

50-50 water to white vinegar
1-2 times a week
Helps dry ears out (good for dogs that swim)

49
Q

You should always do what before instilling medication in ears

A

Clean ears

50
Q

How to instill medication in ear

A

Insert nozzle or teat cannula in a rostroventral direction
Hold head and massage canal gently
Do not wipe out
Note in animals record

51
Q

What to note in animals record after instilling ear medication

A 
Date 
Medication 
Amount 
Which ear 
Your initials
52
Q

Plucking is

A

Commonly done In poodles and other small breed dogs
May prevent accumulation of wax, debris, and moisture
Best to use fingers, if using hemostats don’t insert in ear canal

53
Q

Vertical ear canal resection (partial ear ablation)

A

Treatment for chronic otitis externa
Vertical canal is removed
Opening is made from horizontal ear canal to outside and

54
Q

Total ear canal ablation TECA

A

Treatment for chronic otitis

Removed entire ear canal and scar tissue

55
Q

What you should communicate to your client

A

Educate on how ear infections, mites, etc develop or are spread
Demonstrate how to clean and instill medications
Instruction handout
Schedule recheck app.

56
Q

The pinna is also known as the

A

Auricle

Vet Nursing LAB (18 decks)

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