Sense Organs Flashcards

1
Q

Sense organs respond to 4 types of stimuli

A

Mechanical, thermal, electromagnetic, and chemical

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2
Q

What are the 5 general senses

A
  1. Visceral sensations
  2. Touch/pressure
  3. Temperature
  4. Pain
  5. Proprioception
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3
Q

What are the 5 special senses

A
  1. Taste
  2. Smell
  3. Hearing
  4. Equilibrium
  5. Vision
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4
Q

Visceral sensations are…

A

Hunger/thirst

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5
Q

What is the stimuli for visceral sensations

A

Chemical and Mechanical

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6
Q

Touch/pressure is…

A

Light contact to deep pressure

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7
Q

What is the stimuli for touch/pressure

A

Mechanical

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8
Q

What is the stimuli is temperature

A

Thermal

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9
Q

Pain receptors are called

A

Nociceptors

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10
Q

What is the stimuli used for pain?

A

Mechanical, thermal, and chemical

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11
Q

What is proprioception?

A

Sense of body position and movement

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12
Q

General anesthesia is…

A

Complete loss of sensory perception

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13
Q

Local anesthesia is…

A

Loss of sensation in a generalized area

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14
Q

Taste is also called

A

Gustatory sense

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15
Q

What is the stimuli for taste?

A

Chemical

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16
Q

Smell is also called

A

Olfactory sense

17
Q

What is the stimuli for smell

18
Q

Hearing is also called

A

Auditory sense

19
Q

What is the stimuli for hearing

A

Mechanical

20
Q

The external ear is composed of…

A

Pinna, external auditory canal, and tympanic membrane

21
Q

The middle ear is composed of…

A

Ossicles (malleus, incus, stapes)

22
Q

The inner ear is composed of…

A

Semicircular canals, Vestibule, Oval and round window, cochlea, and organ of corti

23
Q

The outer fibrous layer of the eye is composed of…

A

Cornea & sclera

24
Q

The middle vascular layer of the eye is composed of…

A

Choroid, Iris, & Ciliary body

25
The inner nervous layer of the eye is composed of...
Retina (contains the rods & cones)
26
The aqueous compartment is located in the _____ of the eye
Front
27
The vitreous compartment is located in the ____ of the eye
Back
28
What is the function of the lens?
Functions to focus a clear image on the retina
29
What is the function of the retina?
Where the image is formed, sensed, and converted to nerve impulses
30
Rods are more sensitive to...
Light
31
Cones are more sensitive to...
Color
32
Extraocular structures include...
Conjunctiva, eyelids, tear production/drainage, muscles that move the eye
33
The conjunctiva is...
A thin, transparent membrane that covers the front of the eyeball
34
Glaucoma's occur when... | What animal does is occur mostly in?
The aqueous humor is not draining properly | Dogs
35
Cataracts occur in the...
Lens