Sensory Physiology Flashcards Preview

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Flashcards in Sensory Physiology Deck (12):
0

Light rays converge in front of the retina (long eyeball)

Myopia (biconcave lens)

1

Light rays converge behind the retina (short eyeball)

Hyperopia (convex lens)

2

Irregular curvature of the cornea

Astigmatism (cylindrical lens)

3

Age-related loss of accommodation

Presbyopia (convex lens)

4

First sign of Vit A deficiency

Nyctalopia

5

Ptosis, meiosis, anhydrosis

Horner's syndrome

6

What is the age-related progressive sensorineural hearing loss?

Presbycusis

7

Occupational hearing loss (OHL) occurs after >10 yrs exposure to which sound pressure?

>85 dB

8

What sound pressure will cause pain & possible permanent damage?

> 120 dB

9

What is the function of the pinna?

Sound localization & collection

10

What are the 2 muscles found in the middle ear?

Tensor tympani & stapedius

11

What is the connection between outer & middle ear?

Eustachian tube