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Chapter 10 Review. Mrs. Chirichella. Know the location and function of the following eye structures:. sclera. This portion of the outer tunic is referred to as the “white of the eye”. This structure is clear, refracts light, and is convex in shape. Lens.

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Chapter 10 Review

Mrs. Chirichella


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Know the location and function of the following eye structures:

sclera

This portion of the outer tunic is referred to as the “white of the eye”.



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This area is where the retina and the optic nerve join; contains no rods or cones; “blind spot”

Optic disc


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This area has the highest concentration of cones; the focal point of light needs to converge here for the sharpest vision.

Fovea centralis


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An inner tunic layer; contains rods & cones. point of light needs to converge here for the sharpest vision.

Retina





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Night blindness is most commonly caused by this…

a. damage to the cornea

b. damage to the optic nerve

c. an improper diet

d. a toxic effect of vitamin A

Why?

Because of a LACK of vitamin A


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Know the location and function of the following ear structures:

Auditory canal/tube

Auditory canal

This tube connects the middle ear to the throat. Aka-the Eustachian tube.


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Improperly blowing your nose could pass an infection to which part of your ear?

The middle ear


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Tympanic membrane which part of your ear?

This structure- begins the middle ear; the malleus is attached to; vibrates from sound waves.


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Oval window which part of your ear?

Oval window

The stapes vibrates this membrane attached to the cochlea. Causing waves in the perilymph.


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auricle which part of your ear?

Auricle

The outer fleshy portion of the ear.


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malleus which part of your ear?

Auditory ossicle that is attached to the eardrum. Passes the vibration to the incus.


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Semicircular canals which part of your ear?

Semicircular canals

An infection in this structure could cause dizziness.


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Put the following in order as light passes through the eye. which part of your ear?

vitreous humor

cornea

aqueous humor

lens


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List the parts of the eye that light passes as it enters the eye.

3. lens

1. cornea

2. aqueous humor

4. vitreous humor


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What is the name of the natural pain suppressor in the body? eye.

a. epinephrine

b. adrenalin

c. endorphin

d. encephalin


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The scala tympani and the scala vestibule are part of the: eye.

a. middle ear

b. vestibule

c. cochlea

d. anterior chamber of the eye



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When these are distorted (bent) against the tectorial membrane, an action potential is sent to the brain.

Hair cells


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Put the following in order that scents must travel to reach the brain:

limbic system

olfactory tract

cortex of temporal lobe

olfactory bulb

olfactory bulb- olfactory tract-limbic system-cortex of temporal lobe


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This gland is responsible for tear production? the brain:

a. lacrimal

b. salivary

c. cordoid coat

d. ciliary bodies


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Which part of the brain deciphers taste? the brain:

a. temporal lobe

b. parietal lobe

c. frontal lobe

d. occipital lobe


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Put the following events of hearing in order: the brain:

The malleus moves the incus

The tympanic membrane vibrates

The stapes pushes the oval window

The incus moves the stapes

Sound waves are channeled down the ear canal

1. Sound waves are channeled down the ear canal

2. The tympanic membrane vibrates

3. The malleus moves the incus

4. The incus moves the stapes

5. The stapes pushes the oval window


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Which general category of sensory receptors detects variations in temperature?

a. thermoreceptors

b. mechanoreceptors

c. photoreceptors

d. pain receptors


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The variations in temperature?otoliths are located in:

a. the middle ear

b. the semi-circular canals

c. the cochlea

d. the saccule in the vestibule


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The receptors in the utricle and saccule are stimulated when:

a. endolymph flows over the spiral organ

b. the otoliths bend cilia in response to gravity

c. the tympanic membrane vibrates

d. perilymph bends hair cells


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Which of the five senses contains two types of photoreceptors called rods and cones?

a. vision

b. hearing

c. smell

d. taste


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Rods function in photoreceptors called rods and cones?

a. color vision

b. dim light vision

c. bright light vision


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The sets of color receptors/cones within the retina are sensitive to lights that are

a. red, green, and blue

b. red, blue, and yellow

c. green, yellow, and purple

d. orange, green, and purple


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Anosmia is a condition in which there is a loss of sensitive to lights that are

a. touch

b. smell

c. hearing

d. vision


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&


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The incorrect interpretation of pain as having come from regions far from the actual site of pain is known as

a. visceral pain

b. phantom pain

c. referred pain

d. somatic pain


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Odors seem to fade away because of… regions far from the actual site of pain is known as

Sensory adaptation


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Treatment for cataract usually involves removal of the regions far from the actual site of pain is known as

a. cornea

b. sclera

c. lens

d. vitreous humor

Cataracts is caused by a clouding of the lens.


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The disorder called glaucoma is usually caused by regions far from the actual site of pain is known as

a. clouding of the lens

b. clouding the lens capsule

c. excessive accumulation of vitreous humor

d. excessive accumulation of aqueous humor


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Pain receptors regions far from the actual site of pain is known as

a. are generally stimulated by factors that cause tissue damage

b. tend to adapt rapidly

c. are among the most specialized of the receptors

d. are widely distributed in the nerve tissue of the brain


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Which of the following would cause a form of regions far from the actual site of pain is known asconductive deafness?

a. torn tympanic membrane

b. tumor in the brain

c. damage to the auditory tube

d. use of antibiotics


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