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A&P Chapter 10 Flashcards

1
Q

________ that allow us to respond to stimuli such as touch, pressure, temperature, and pain?

A

Sensory receptors

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2
Q

The senses are often classified as either?

A

General or special senses

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3
Q

The _______ are those detected by simple microscopic receptors distributed though the body skin, muscles, tendons, joints, and other internal organs of the body.

A

General senses

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4
Q

The ___________ are those detected by the receptors that are grouped in specific areas and associated with complex structures that facilitate these senses.
(Smell, taste, vision, hearing, and equilibrium)

A

Special senses

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5
Q

What is encapsulated or uncapsulated?

A

Free of or naked of any such covering

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6
Q

What’s is sensitive to change in intensity or color of light as in vision

A

Photoreceptors

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7
Q

What are sensitive to presence of certain chemicals such as in taste or smell?

A

Chemoreceptors

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8
Q

What is sensitive to physical injury

A

Pain receptors

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9
Q

What is sensitive to any changes in temperature

A

Thermoreceptos

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10
Q

What is sensitive to mechanical stimuli that change their position or shape

A

Mechanoreceptor

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11
Q

The eye has what receptor?

A

Photoreceptors

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12
Q

The ear is a

A

Mechanoreceptor

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13
Q

The nose is a

A

Chemoreceptors

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14
Q

Taste buds are a ?

A

Chemoreceptors

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15
Q

Touch receptors are distributed closely together over the finger prints by ?

A

2-8 mm appart

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16
Q

What are the palm receptors appart?

A

8-12

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17
Q

The back of the torso is distributed

A

40-80 mm

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18
Q

The difference in which kind of stimuli is detected is called ____ of the sensation

A

Mode

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19
Q

Some of the general sensory receptors found near the point of junction between tendons and muscles and other found deep within the skeleton muscle tissue are called ?

A

Proprioceptors

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20
Q

What detects the color and intensity of light in our external environment

A

Vision

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21
Q

An eye injury is considered as?

A

A medical emergency

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22
Q

The eyeball is a fluid filled sphere having a wall of what three layers

A

1) fibrous
2) vascular
3) inner layer

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23
Q

What is in the fibrous layer of the eye?

A
  • sclera

- cornea

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24
Q

What is in the vascular layer of the eye?

A
  • choroid
  • ciliary
  • iris
  • lens
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25
What is in the inner layer of the eye?
- retina - optic nerve - retinal blood vessel
26
The white of the eye is part of the fibrous layer called the ?
Sclera
27
What is the transparent circle on the anterior of the fibrous layer
The cornea
28
Inflammation of the cornea is called
Keratitis
29
A mucous membrane known as _____ lines the eyelids and covers the fibrous layer in from
Conjunctive
30
Inflammation of this important membrane is called?
Conjunctivitis (or pink eye)
31
The conjunctiva is kept moist by tears secreted by the
Lacrimal gland
32
The middle layer of the eyeball is called the ________ because it has a dense network of blood vessels?
Vascular layer
33
Most of the vascular layer is made up mostly of the?
Choroid
34
The choroid contains a large amount of
Dark pigment melanin
35
Several involuntary muscles make up the anterior part of the choroid. Some are in the
Iris
36
The iris is what part of the eye
The blue, brown, green part of an eye
37
The black cemetery of the iris is really a hole in this doughnut scraped muscle is the
Pupil
38
The ___of the eye lies directly behind the pupil
Lens
39
The lens is held in place by a ligament attached to an involuntary muscle called the?
Ciliary muscle
40
Most of us become ____ as we grow older
Farsighted
41
What average age do you start to become farsighted?
40 years old
42
What is another name for farsighted?
Presbyopia or old sightedness
43
Long time exposure to UV radiation causes the lens to become?
Hard loses its transparency and become milky looking
44
What is it called when the eye becomes milky
Cataract
45
The ____ makes up most of the inner eye
The retina
46
The retina contains microscopic photoreceptors cells to detect?
Light
47
____ are the receptors for night vision
Rods
48
____ are the receptors for daytime vision
Cones
49
There are three types of cones each on is sensitive to a different color?
Read Green Blue
50
There is a yelowish area near the center of the retina is called
Macula lutes
51
What contains the greatest concentration of cones of anywhere of the retina?
Fovea centralis
52
What is the device used to look into the eyes
Ophthalmoscope
53
What cells are also sensitive to light
Ganglion cells
54
What is the name of the watery fluid in front of the lens
Aqueous humor
55
What is the name of the jelly like fluid behind the lens
Vitreous humor
56
_____ occurs as light passes through the cornea, the aqueous humor, the lens, and the vitreous humor on its way to the retina
Refraction
57
If drainage is blocked for any reason the internal pressure within the eye will increase the damage that could lead to blindness. Is called ?
Glaucoma
58
The innermost layer of the retina contains the rods and cones which are the?
Photoreceptor cells
59
The result is a blind spot known as the
Optic disk
60
If our eyes are enlongated the image focuses in front of the retina rather than on it. The retina receives only a FUZZY. Image this is called
Myopia (nearsightedness)
61
If our eye balls are shorter than normal the image focuses behind the retina also producing a fuzzy image is called
Hyperopia
62
Color blindness usually an inherited condition is caused by mistakes in producing three chemicals called ?
Photopigments
63
In addition to its role of hearing the ear functions as the sense organ of ?
Balance or equilibrium
64
The simulation or “trigger” that activates receptors involved with hearing and equilibrium is called
Mechanoreceptors
65
The ear is divided into what anatomical areas
1- external ear 2- middle ear 3- inner ear
66
The external ear has two parts called
- auricle (pinnacle) | - external acoustic canal
67
The auricle is the
Appendage on the side of the head surrounding the opening of the external acoustic canal
68
The canal of the ear is a curving tube approx
2.5 cm (1inch)
69
The canal of the ear extends into _____ and ends at the ______.
Temporal bone | Tympanic (eardrum)
70
What produces a waxy substance in the ear
Ceruminous glands
71
What is the wax sub substance inside of the ear called
Cerumen
72
A medical device used to see the inside of the ear is called
Otoscope

nursing (11 decks)

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