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Nursing 101 & 102 > Ear > Flashcards

Ear Flashcards

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0
Q

Receives and perceives sound

A

External and middle ear

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1
Q

What lobe is responsible for auditory?

A

Temporal

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2
Q

Sends sound to the brain for hearing and equilibrium.

A

Inner ear

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3
Q

The central nervous system contains

A

Acoustic nerve and auditory cortex

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4
Q

Cartilage and connective tissue and covered with epithelium that collects and transmits sound waves that transmits to the tympanic membrane.

A

Pinna

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5
Q

Lined with fine hairs, sebaceous glands, and ceruminous glands

A

External auditory canal

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6
Q

The only place far produced ceruminous glands

A

The ear

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7
Q

Protective because it helps keep debris from entering and kills bacteria; first defense from infection.

A

Cerumen

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8
Q

The middle ear containing the temporal bone is inaccessible because it is blocked by the

A

Eardrum

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9
Q

It is shiny, translucent, pearly gray, slightly concave AKA ear drum

A

Tympanic membrane

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10
Q

What are the three ossicles that receive conducted sound waves

A

Malleus
Incus
Stapes

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11
Q

The middle ear is filled with

A

AIR not fluid

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12
Q

What connects the middle ear to the nasopharynx

A

Eustacian tube

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13
Q

Helps equalize pressure for a good transmission of sound; helps prevent the tympanic membrane from rupturing.

A

Eustachian tube

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14
Q

Connect to the tympanic membrane and moves by the vibration of sound waves by the tympanic membrane.

A

The three ossicles

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15
Q

Includes the vestibule, cochlea, semicircular canals, membraneous labyrinth, bony labyrinth

A

Inner ear

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16
Q

Series of bony canals; contains fluid that protects and cushions the organs of hearing and balance.

A

Bony labyrinth

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17
Q

Coats the semi-circle canals and cochlea with endolymph fluid

A

Membraneous labyrinth

18
Q

Separates the cochlea and semi-circular canals; located just beyond the open window

A

Vestibule

19
Q

These canals are oriented in three different planes; they are stimulated by how fast we move and direction we move

A

Semi-circular canals

20
Q

The organ for hearing; it’s snail shaped; contains fine hairs that pick up waves and change to an electrochemical impulse for nerve impulse.

A

Cochlea

21
Q

What is within the cochlea?

A

Organ of corti

22
Q

What is inside of the organ of corti?

A

Seaweed like hairs

23
Q

Method of transmission that goes through the entire ear until the organ of corti converts sound waves into nerve impulse

A

Air conduction

24
Q

Sound that is transmitted from the skull and causes fluid waves into the vestibule by bypassing the external and middle ear.

A

Bone conduction

25
Q

Controlled by vestibule and semi-circular canals as we move; fluid in the canal moves

A

Equilibrium

26
Q

Maintenance of body position during movement and is a type of equilibrium

A

Dynamic equilibrium

27
Q

Orientation of equilibrium of our body to the group; maintains position of standing; essential for maintaining posture

A

Static equilibrium

28
Q

Abnormal eye movements (twitching) can cause loss of vision

A

Nystagmus

29
Q

Sense that person or objects around are moving or spinning

A

Vertigo

30
Q

Whatever activity caused vertigo, patient should continue in small increments to acclimate this vertigo

A

Habituation

31
Q

The inability to heat low volumes during hearing loss is associated with

A

Intensity

32
Q

The inability to hear high pitches during hearing loss is

A

Frequency

33
Q

Problem with sound waves is what type of hearing loss?

A

Conductive

34
Q

Damage to the inner ear (cochlea, organ of corti) in hearing loss?

A

Sensorineural

35
Q

Both conductive and sensory hearing loss?

A

Mixed

36
Q

Nothing wrong with hearing but is a result of emotional disturbance is what type of hearing loss?

A

Functional

37
Q

Ringing of the ears?

A

Tinnitus

38
Q

Whisper a phrase 1-2 feet away and gradually increasing the volume until the patient can hear

A

Whisper test

39
Q

Tuning fork test that test by vibrating fork on the mastoid bone and then moved in front of the pinna and is timed. Normal test would indicate air conduction is heard longer than bone conduction.

A

Rinne Test

40
Q

Tuning fork test where the stem of the fork is activated and placed on the skull.
Conductive hearing loss - sound will Lateralize to the poor ear
Sensorineural hearing loss - sound will Lateralize to the good war
Normal is hearing B/L

A

Weber test

41
Q

Diagnostic instrument used for evaluating hearing

A

Audiometry

42
Q

Stimulating the vestibular system by irrigating the ear

A

Electrostagmography

43
Q

Sits in a chair and goes in complete circles at a set rate in the dark

A

Rotary chair test

Nursing 101 & 102 (19 decks)

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