Sense Organs Flashcards

1
Q

What are the 5 general senses

A

-visceral sensation
-touch
-temperature
-pain
-proprioception

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2
Q

What are the 5 special senses

A

Taste
Smell
Hearing
Equilibrium
Vision

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3
Q

What is sensed? What type of stimulus?
Visceral sensations

A

Fullness, hunger, thirst

Chemical, mechanical

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4
Q

What is sensed? What type of stimulus?
Touch

A

Touch and pressure

Mechanical

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5
Q

What is sensed? What type of stimulus?
Temperature

A

Heat and cold

Thermal

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6
Q

What is sensed? What type of stimulus?
Pain

A

Intense stimuli

Mechanical, chemical, or thermal

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7
Q

What is sensed? What type of stimulus?
Proprioception

A

Body position and movement

Mechanical

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8
Q

What is sensed? What type of stimulus?
Taste

A

Taste
Chemical

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9
Q

What is sensed? What type of stimulus?
Smell

A

Odor
Chemical

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10
Q

What is sensed? What type of stimulus?
Hearing

A

Sounds
Mechanical

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11
Q

What is sensed? What type of stimulus?
Equilibrium

A

Balance and head position

Mechanical

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12
Q

What is sensed? What type of stimulus?
Vision

A

Light
Electromagnetic

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13
Q

Central temperature receptors keep track of the core temperature and are located

A

In the hypothalamus

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14
Q

Pain receptors =

A

Nociceptors

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15
Q

The first step of nociception, conversion of stimulus into nerve impulse

A

Transduction

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16
Q

The second step of nociception, nerve impulses move up the sensory nerve fibers to the spinal cord

A

Transmission

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17
Q

Third step of nociception, changing of the sensory nerve impulses which can influence the information the brain receives, where that is to amplify or suppress an impulse

A

Modulation

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18
Q

The last step of nociception, happens in the brain when it is conscious of the impulse

A

Perception

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19
Q

The sense of body position and movement

A

Proprioception

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20
Q

Sense of taste =

A

Gustatory sense

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21
Q

Sense of smell =

A

Olfactory

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22
Q

Part of the ear that acts as a funnel to collect sound wave vibrations and direct the to the eardrum

A

External ear

23
Q

Most of the ear structures are housed within the __ bones of the skull

A

Temporal

24
Q

Part of the ear that amplifies and transmits the vibrations

A

Middle ear

25
Q

Part of the ear that contains the senseory receptors that convert mechanical vibrations to nerve impulses

A

Inner ear

26
Q

Where is the pinna located ?

A

Out part of the ear

27
Q

Soft membrane lined tube that is L shaped and Carries sounds waves to the tympanic membrane (eardrum)

A

External auditory canal

28
Q

Eardrum =

A

Tympanic membrane

29
Q

Receptors for hearing are located in the ___. Is snail shaped

A

Cochlea

30
Q

The outmost bone of the ear that is attached to the tympanic membrane

A

Malleus

31
Q

The middle bone of the ear that forms a synovial joint with malleus

A

Incus

32
Q

Medial most bone of the ear

A

Stapes

33
Q

CLINICAL APPLICATION
When an animal shakes it’s head vigorously what can can happen to the pinna of the ear

A

An ear hematoma

34
Q

The structure that lines the back of the eyeball

A

Retina

35
Q

What is the role of the fibrous layer of the eye

A

Admits light and gives strength and shape

36
Q

What is the role of the vascular layer of the eye

A

Responsible for pigment

37
Q

What is the Role of the inner nervous layer of the eye

A

Consists of the retina, it is an image sensor in the camera of the eye. (Contains sensory receptors such as rods and cones)

38
Q

A brightly colored mirror, responsible for the bright light that seems to shine from an animals eyes in the dark (aids in low light vision for animals)

A

Tapetum lucidum

39
Q

The transparent window that admits light into the interior of the eye.

A

Cornea

40
Q

The opening at the center of the eye

A

Pupil

41
Q

The colored part of the eye

A

Iris

42
Q

Cones are responsible for what

A

Color

43
Q

Rods are responsible for

A

Shades of gray and course images

44
Q

CLINICAL APPLICATION
An abnormal condition of the eye where the lens becomes opaque is called what

A

Cataracts

45
Q

CLINICAL APPLICATION
a group of diseases characterized by increased intraocular pressure that causes pain and can lead to blindness.

A

Glaucoma

46
Q

A thin transparent me membrane that covers the front portion of the eyes

A

Bulbar Conjunctiva

47
Q

A thin transparent membrane that lines the interior portion of the eyelids

A

Palpebral conjunctiva

48
Q

Along the margin of each eyelid are tiny openings that produce a waxy substance that helps prevent tears from overflowing onto the face called

A

Tarsal glands or meibomian glands

49
Q

Includes structures that produce and secrete tears and the structures that drain them away from the surface of the eye.

A

Lacrimal apparatus

50
Q

The receptor organ for hearing is

A

The organ of corti

51
Q

What part of tears come from lacrimal glands and where are they located

A
52
Q

The blind spot of the eye

A

Optic disc

53
Q

The outer fibrous layer of the eye

A

Scelera