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1 | |
The type of sensory receptor that receives stimuli from inside the body is a(n) ____________. |
| | A) | exteroceptor |
| | B) | proprioceptor |
| | C) | photoreceptor |
| | D) | interoceptor |
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2 | |
Pain receptors are a type of _____. |
| | A) | chemoreceptor |
| | B) | thermoreceptor |
| | C) | mechanoreceptor |
| | D) | photoreceptor |
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3 | |
_____ occurs when the cerebral cortex interprets the nerve impulses from sense organs. |
| | A) | Sensation |
| | B) | Perception |
| | C) | Reception |
| | D) | Action |
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4 | |
Sensory ________ occurs when a receptor becomes so accustomed to the stimulation that it stops generating impulses. |
| | A) | death |
| | B) | adaptation |
| | C) | synergism |
| | D) | excitability |
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5 | |
Many taste buds lie on the walls of small elevations on the tongue called ________ . |
| | A) | papillae |
| | B) | bumps |
| | C) | palate pieces |
| | D) | epiglottis pyramids |
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6 | |
What portion of a taste bud actually contains the specific receptor proteins that bind with food molecules to sense taste? |
| | A) | microvilli of taste cells |
| | B) | epithelium of a taste pore |
| | C) | papillae of the tongue |
| | D) | flagellae of the taste buds |
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7 | |
The sense of smell is dependent on _________ in the roof of the nasal cavity that contain numerous types of receptor proteins. |
| | A) | olfactory cells |
| | B) | hair cells |
| | C) | mucus cells |
| | D) | All of these are correct. |
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8 | |
Why is it possible for odors to initiate memories of times past? |
| | A) | because olfactory receptors never undergo sensory adaptation |
| | B) | because sensations never go away |
| | C) | because the route of olfactory nerve impulses runs through the reticular activating system |
| | D) | because the route of olfactory nerve impulses runs through the limbic system |
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9 | |
The choroid ______. |
| | A) | refracts light rays |
| | B) | absorbs stray light rays |
| | C) | transmits impulses to the brain |
| | D) | makes color vision possible |
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10 | |
The iris _______. |
| | A) | regulates pupil size and light entrance |
| | B) | refracts light rays |
| | C) | absorbs stray light rays |
| | D) | contains receptors for sight |
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11 | |
The posterior cavity of the eye behind the lens is filled with a viscous material called the ________ humor. |
| | A) | choroid |
| | B) | aqueous |
| | C) | vitreous |
| | D) | optic |
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12 | |
The oval-shaped, yellowish area in the retina that is responsible for acute vision and that contains only cones is called the __________. |
| | A) | optic nerve |
| | B) | fovea centralis |
| | C) | pupil |
| | D) | choroid |
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13 | |
To produce a small image on the retina, light rays must be ________ and brought into focus. |
| | A) | straight |
| | B) | unilateral |
| | C) | bent |
| | D) | short |
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14 | |
To view distant objects, the lens remains relatively ________. |
| | A) | flat |
| | B) | curved |
| | C) | rounded |
| | D) | spherical |
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15 | |
Rhodopsin, a pigment molecule found in the rods, contains ______. |
| | A) | a protein called opsin |
| | B) | retinal derived from vitamin A |
| | C) | Both A and B are correct. |
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16 | |
In the retina, a nerve impulse travels from the ______. |
| | A) | rods and cones to bipolar cells to ganglionic cells |
| | B) | bipolar cells to rods and cones to ganglionic cells |
| | C) | rods and cones to ganglionic cells to bipolar cells |
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17 | |
There are no rods or cones where the optic nerve passes through the retina, making this a(n) ________ spot. |
| | A) | blind |
| | B) | open |
| | C) | retinal |
| | D) | optic |
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18 | |
The receptors for hearing and equilibrium are located in the ______. |
| | A) | inner ear |
| | B) | outer ear |
| | C) | middle ear |
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19 | |
Which of the following occur in the process of hearing? |
| | A) | Sound waves enter the auditory canal. |
| | B) | Waves vibrate the tympanic membrane. |
| | C) | Stapes vibrates the oval window of the cochlea. |
| | D) | All of these are correct. |
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20 | |
Each part of the _____ , the organ that sends nerve impulses to the cerebrum, is sensitive to different wave frequencies, or pitch. |
| | A) | Spiral organ (organ of corti) |
| | B) | ampulla |
| | C) | utricle |
| | D) | otoliths |
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21 | |
Rotational equilibrium utilizes the base of each of the three semicircular canals in the ear, called the ________. |
| | A) | chambers |
| | B) | ampullae |
| | C) | utricles |
| | D) | saccules |
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22 | |
In sense of gravitational equilibrium, utilizing the utricle and the saccule, is located in the ________. |
| | A) | outer ear |
| | B) | middle ear |
| | C) | tympanic membrane |
| | D) | vestibule of the cochlea |
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