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1 | | The most sensitive part of a taste bud is the |
| | A) | taste cell |
| | B) | taste pore |
| | C) | taste hair |
| | D) | taste cell membrane |
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2 | | Saliva enhances the taste of food by |
| | A) | increasing the sensitivity of taste receptors |
| | B) | dissolving the chemicals that cause taste so they can be tasted |
| | C) | releasing taste factors by partially digesting food |
| | D) | capturing and dissolving the gases of odors of food |
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3 | | Which of the following would produce the taste sensation of umami? |
| | A) | sugar |
| | B) | pretzels |
| | C) | a lemon |
| | D) | monosodium glutamate (MSG) |
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4 | | The function of the small bones of the middle ear is to |
| | A) | provide a framework for the tympanic membrane |
| | B) | protect the structures of the inner ear |
| | C) | support the structure of the tympanic cavity |
| | D) | relay and amplify the vibrations and transmit them to the inner ear |
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5 | | The ossicle that fits in the oval window is the |
| | A) | stapes |
| | B) | malleus |
| | C) | incus |
| | D) | incubus |
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6 | | Hearing receptor cells are located on the |
| | A) | organ of Corti |
| | B) | scala vestibuli |
| | C) | scala tympani |
| | D) | round window |
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7 | | Bending your head to look at the floor will stimulate receptors in the |
| | A) | ampulla |
| | B) | cupula |
| | C) | semicircular canals |
| | D) | maculae |
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8 | | The structure that detects motion of the head is the |
| | A) | macula |
| | B) | semicircular canal |
| | C) | vestibule |
| | D) | utricle |
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9 | | The sensory organ of the semicircular canals is the |
| | A) | crista ampullaris |
| | B) | macula |
| | C) | endolymph |
| | D) | cerebellum |
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10 | | The muscle that raises the eyelid is the |
| | A) | orbicularis oculi |
| | B) | superior rectus |
| | C) | levator palpebrae superioris |
| | D) | ciliary muscle |
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11 | | The superior rectus muscle causes the eye to rotate |
| | A) | upward and toward the midline |
| | B) | downward and toward the midline |
| | C) | upward and away from the midline |
| | D) | downward and away from the midline |
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12 | | Which of the following is in the correct order? |
| | A) | lacrimal gland, sup. & inf. caniculi, lacrimal sac, nasolacrimal duct |
| | B) | sup. & inf. caniculi, lacrimal sac, nasolacrimal duct, lacrimal gland |
| | C) | lacrimal sac, sup. & inf. caniculi, lacrimal gland, nasolacrimal duct |
| | D) | lacrimal gland, nasolacrimal duct, lacrimal sac, sup. & inf caniculi |
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13 | | The transparency of the cornea is due to |
| | A) | the nature of the cytoplasm in the cells of the cornea |
| | B) | the small number of cells and the lack of blood vessels |
| | C) | a lack of nuclei within the cells of the cornea |
| | D) | keratinization of cells in the cornea |
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14 | | The shape of the lens changing as the eye focuses on a close object is a process known as |
| | A) | accommodation |
| | B) | refraction |
| | C) | reflection |
| | D) | strabismus |
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15 | | The region of the retina associated with the sharpest vision is the |
| | A) | macula lutea |
| | B) | fovea centralis |
| | C) | optic disk |
| | D) | choroid coat |
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16 | | The maintenance of the shape of the eyeball is enabled by the |
| | A) | sclera |
| | B) | middle layer |
| | C) | cornea |
| | D) | vitreous humor |
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17 | | Which of the following pairs is not correct? |
| | A) | colorless vision - rods |
| | B) | fovea centralis - cones |
| | C) | cones - rhodopsin |
| | D) | sharp images - cones |
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18 | | Projection is the process that allows us to determine where a stimulus has occurred. |
| | A) | True |
| | B) | False |
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19 | | There are separate receptors for heat and cold. |
| | A) | True |
| | B) | False |
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20 | | The brain is richly supplied with pain receptors. |
| | A) | True |
| | B) | False |
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21 | | Pain arising in the heart may be felt in the left shoulder because the impulses from the skin and viscera may share common neural pathways. |
| | A) | True |
| | B) | False |
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22 | | Serotonin participates in the suppression of pain impulses by stimulating the release of enkephalins. |
| | A) | True |
| | B) | False |
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23 | | The cilia of olfactory receptor cells detect the gases that give rise to odors. |
| | A) | True |
| | B) | False |
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24 | | The cilia respond to dissolved chemicals (liquids) for olfaction. |
| | A) | True |
| | B) | False |
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25 | | The structures of the ear are responsible for the sense of balance or equilibrium as well as the sense of hearing. |
| | A) | True |
| | B) | False |
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26 | | Axons in the right optic tract carry visual information from the right eye to the occipital lobe. |
| | A) | True |
| | B) | False |
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27 | | Vibration of the ossicles produces movement of air within the inner ear. |
| | A) | True |
| | B) | False |
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28 | | Sounds of different frequencies are detected because the hearing receptors in hair cells are sensitive to deformation by different sound frequencies. |
| | A) | True |
| | B) | False |
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29 | | Hearing receptor cells are epithelial cells but function like neurons in that they are polarized. |
| | A) | True |
| | B) | False |
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30 | | Hearing impulses are transmitted along the vestibular branch of the vestibulocochlear nerve to the auditory cortex of the temporal lobe. |
| | A) | True |
| | B) | False |
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