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Becoming unaware of a continuing stimulus is called ____________________.

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The chemical in rods that breaks down when light strikes it is:


A) rhodopsin
B) scotopsin
C) melanin
D) vitamin A

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The part of the eye that light waves pass through first is the:


A) cornea
B) conjunctiva
C) lens
D) retina

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The vagus and glossopharyngeal nerves are both sensory for:


A) taste
B) olfaction
C) equilibrium
D) circulatory reflexes

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For the sense of thirst,receptors are located in the ____________________ and the sensation is projected to the ____________________.

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hypothalamus,mouth a...

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The part of the eye that is the area for best color vision is the:


A) fovea
B) optic disc
C) bipolar disc
D) choroid disc

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The sensory areas for conscious muscle sense are in the ____________________ lobes.

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The part of the eye that forms the optic nerve is the:


A) rods
B) cones
C) bipolar neurons
D) ganglion neurons

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Referred pain is pain that originates in ____ but is felt as ____.


A) the skin/visceral pain
B) an internal organ/cutaneous pain
C) the skin/cutaneous pain in a different area
D) an internal organ/visceral pain,but in another organ

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The cornea differs from the rest of the sclera in that the cornea is ____________________.

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Conscious muscle sense is felt by the ____ of the brain.


A) frontal lobes
B) parietal lobes
C) cerebellum
D) midbrain

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The function of sensory receptors is to ____________________.

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The function of the canal of Schlemm is to reabsorb ____________________.

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Which part of the eye is NOT paired with its correct function?


A) eyelashes - keep dust out of eyes
B) fovea - provides the best color vision
C) retina - contains photoreceptors
D) cornea - adjusts to change the focus of light rays

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The first part of the ear that vibrates in response to sound waves is the ____________________.

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eardrum (tympanic me...

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The feeling of a sensation in the area of the stimulated receptors is called:


A) afterimage
B) projection
C) contrast
D) adaptation

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The receptors for muscle sense are called ____________________.

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stretch receptors (p...

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The cranial nerve pair concerned with hearing is the:


A) accessory
B) trochlear
C) acoustic
D) vagus

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The hair cells in the utricle and saccule of the ear bend in response to:


A) vibrations from the cochlea
B) sound waves
C) vibrations from the eardrum
D) gravity

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The cranial nerve pair concerned with equilibrium is the:


A) vagus
B) accessory
C) acoustic
D) abducens

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