T2: Sensation (CH. 25) Flashcards

1
Q

Sensory function is often __

A

taken for granted

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2
Q

Intact senses facilitate accurate __ of the environment

A

perception

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3
Q

Sensory function is essential to __

A

communication

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4
Q

Whole vision is blurry

A

cataracts

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5
Q

Sensory deficits compound problems that threaten what 3 things?

A

health, well-being, and independence

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6
Q

Aging vision changes:

  • Reduced __ and __ of the muscle fibers of the lens
  • Reduced __ size
  • __ of the lens and vitreous
A

elasticity; stiffening
pupil
opacification

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7
Q

Visual acuity __

A

declines

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8
Q

Decreased ability to focus (___)

A

presbyopia

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9
Q

There is a loss of photoreceptor cells in the __

A

retina

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10
Q

__ perception threshold decreases

A

Light

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11
Q

Dark and light __ takes longer

A

adaptation

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12
Q

Difficulty with vision at __

A

night

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13
Q

Increased sensitivity to __

A

glare

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14
Q

Distortion in __ perception

A

depth

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15
Q

__ vision reduced

A

Peripheral

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16
Q

Facial expressions and gestures may be missed or ___

A

misinterpreted

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17
Q

There is a limitation of lip reading and written __

A

communication

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18
Q

Sensorineural hearing loss (__)

A

presbycusis

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19
Q

Effects of hearing could include self-conscious of limitation and avoid __

A

interactions

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20
Q

Number of functioning __ __ decreased

A

taste buds

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21
Q

__ and __ flavors sensation decreased.

A

Sweet and salty

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22
Q

__ not sensed as easily in late life

A

Pressure

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23
Q

Decreased __ sensation

A

tactile

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24
Q

Difficulty discriminating between __

A

temperatures

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25
Q

Some __ function loss

A

olfactory

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26
Q

What 4 things promote vision?

A
  • Routine examinations by ophthalmologist
  • Early detection and treatment of problems
  • Considerations of financial ability to receive treatment
  • Prompt evaluation of symptoms that may indicate a visual problem
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27
Q

What mineral? Promotes normal visual capacity and adaptation to dark; supplementation can reduce visual loss in macular degeneration; deficiency can facilitate cataract development.

A

zinc

28
Q

May aid in preventing cataracts; supplementation with vitamin E can reduce visual loss in macular degeneration

A

selenium

29
Q

Promotes normal vision; supplementation may improve vision in persons with cataracts

A

Vitamin C

30
Q

Maintains healthy rods and cones in retina

A

Vitamin A

31
Q

May aid in preventing cataracts; supplementation in large doses can prevent macular degeneration

A

Vitamin E

32
Q

Aids in preventing cataracts

A

Riboflavin

33
Q

May prevent degenerative changes in eye

A

Ginkgo Biloba

34
Q

Improves night vision and adaptation to dark; promotes visual acuity; improves capillary integrity to reduce hemorrhage risk in diabetic retinopathy.

A

Flavonoid

35
Q

T/F: Arteriosclerosis, hypertension, diabetes, and nutritional deficiencies can threaten an older adult’s vision

A

true

36
Q

Avoid __ to promote hearing.

A

q-tips

37
Q

Assessment for impacted __ in the ears.

A

cerumen

38
Q

Clouding of the lens or its capsule and loss of transparency

A

cataracts

39
Q

Leading cause of low vision in older adults

A

cataracts

40
Q

Risk factors for cataracts:

A

ultraviolet B exposure, DM, cigarette smoking, high alcohol consumption, eye injury

41
Q

Signs & Symptoms: distorted vision, night vision decreased, objects appear blurred, improvement in ability to see small print

A

Cataracts

42
Q

Treatment of cataracts:

A

surgery

43
Q

Damage to the optic nerve from an above normal intraocular pressure (IOP)

A

glaucoma

44
Q

Second leading cause of blindness in older adults

A

glaucoma

45
Q

Glaucoma: Incidence-12% of all blindness in United States, increases in prevalence over __ years old

A

40

46
Q

Causes of ___-could be associated w/increased size of lens, iritis, allergy, endocrine imbalance, emotional instability, medications & family history.

A

glaucoma

47
Q

Diagnosis for Glaucoma

A

measures intraocular pressure (normal 20mmHG)

48
Q

Treatment/management-Carbonic anhydrase inhibitors, mannitol, urea, and glycerin, iridectomy

A

glaucoma

49
Q

Closed or narrow angle Glaucoma

A

acute

50
Q

Open angle Glaucoma

A

chronic

51
Q

Most common form of glaucoma

A

chronic

52
Q

Vision loss due to glaucoma can/cannot be restored?

A

can’t

53
Q

T/F: Patient compliance with treatment for glaucoma can be challenging for the older adult population

A

True

54
Q

Most common cause of blindness in adults over the age of 65?

A

Macular Degeneration

55
Q

Damage or breakdown of the macula leading to loss of central vision

A

Macular Degeneration

56
Q

Which type of visual problem is associated with macular degeneration?

A

Loss of central vision

57
Q

Forward displacement of the retina

A

detached retina

58
Q

Inflammation of the cornea accompanied by a loss of substance is the cause

A

Corneal ulcer

59
Q

Predisposition factors=febrile states, dietary deficiencies, irritation, CVA
what disease?

A

corneal ulcer

60
Q

Signs & Symptoms: bloodshot eye, increased lacrimation, pain, photophobia

A

corneal ulcer

61
Q

Incidence/prevalence for hearing deficits-greater in __, bc of occupations

A

men

62
Q

Caused by an abnormal growth of bone in the ears, which causes hearing loss.

A

Otosclerosis

63
Q

Clean the hearing aid at least __. Do not use __ to clean it because can dry it out.

A

weekly

alcohol

64
Q

When changing the battery, ___ the aid first.

A

turn off

65
Q

Keep several new batteries available. Typically, a battery will last about __ hours

A

80