Term
| Of the following senses, which accounts for the majority of sensory receptors in the body? |
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Definition
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Term
| Which of the following terms is a synonym for eyelids? |
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Definition
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Term
| Pinkeye is an infection of the _______ of the eye. |
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Definition
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Term
| Watching a sad movie can sometimes trigger an increase in lacrimal secretions, or _______. |
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Definition
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Term
| In order to turn the eye straight down, the actions of the _______ muscle(s) is (are) required. |
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Definition
| inferior rectus and superior oblique |
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Term
| The cornea is actually part of the ______ layer of the eye. |
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Definition
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Term
| Sympathetic fibers innervating the iris of the eye cause which response? |
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Definition
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Term
| People with blue eyes produce ______ pigment, which is deposited in the iris. |
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Definition
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Term
| The ________ layer of the eye is responsible for vision. |
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Definition
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Term
| Focusing an object on the _______ provides the highest visual acuity. |
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Definition
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Term
| Glaucoma is a disorder in which: |
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Definition
the canal of Schlemm becomes blocked.
intraocular pressure increases above 16 mm Hg.
the retina is compressed and its blood supply is blocked.
all of the above occur |
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Term
| The formation of rainbows reflects the fact that: |
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Definition
| visible light consists of multiple wavelengths of light. |
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Term
| Sympathetic innervation is more predominant during __________. |
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Definition
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Term
| Functional differences between rod vision and cone vision can be explained because: |
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Definition
| rods participate in converging pathways where as many as 100 rods connect with a single ganglion cell. |
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Term
| Visual pigments are differentiated based on the identity of the ______ protein. |
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Definition
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Term
| The light-dependent step in vision involves: |
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Definition
| stimulating the transformation in retinal from the 11-cis-isomer to the 11-trans-isomer. |
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Term
| The detection of light is ultimately communicated to the brain because of _______. |
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Definition
| photoreceptor cell hyper polarization |
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Term
| The receptive structures for smell are the: |
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Definition
| olfactory receptor cells and cilia. |
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Term
| In detection of smell, odorants themselves: |
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Definition
| bind to receptors and stimulate opening of ion channels. |
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Term
| The common underlying mechanism for all tastes is: |
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Definition
| an increase in intracellular Ca2+. |
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Term
| Taste is 80% smell. The relationship between smell and taste is evidenced by the fact that both sensations are a type of _________. |
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Definition
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Term
| The hearing receptors are located in the _______. |
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Definition
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Term
| The ___________ of sound waves is interpreted as differing pitches, whereas the _______ of sound waves is interpreted as loudness. |
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Definition
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Term
| The middle ear ossicles serve to ______ the sound waves onto the oval window. |
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Definition
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Term
| Transduction of sound stimuli occurs as the result of: |
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Definition
bending of the hair cells, which stimulates the opening of the mechanically gated ion channels in their membrane.
a receptor potential generation.
release of the neurotransmitter glutamate.
all of the above |
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Term
| Dynamic and static equilibrium transduction both use the principle of ________. |
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Definition
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