Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.
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1 | | Impulses reaching the cerebral cortex travel through nerve fibers composing efferent, or ascending, tracts. (488) |
| | A) | True |
| | B) | False |
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2 | | The sensory receptors in the eye respond only to those light waves in the visible spectrum. (511) |
| | A) | TRUE |
| | B) | FALSE |
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3 | | Although there are specific pain receptors, nearly all types of receptors may transmit impulses that are perceived as pain. (490) |
| | A) | True |
| | B) | False |
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4 | | Baroreceptors are specialized exteroceptors that respond to changes in blood pressure. (490) |
| | A) | True |
| | B) | False |
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5 | | Lamellated corpuscles respond when a person touches an object to determine its texture. (491) |
| | A) | True |
| | B) | False |
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6 | | Impulses for pain are conducted through the thalamus along the lateral spinothalamic tract of the spinal cord to the somatesthetic area of the cerebral cortex. (491) |
| | A) | True |
| | B) | False |
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7 | | The site of referred pain for liver or gallbladder problems is the lower lumbar region of the trunk. (492) |
| | A) | True |
| | B) | False |
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8 | | All sensory information passes through the thalamus before being carried to the cerebrum, where perception occurs. (493) |
| | A) | True |
| | B) | False |
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9 | | The receptors of olfaction require dissolved substances for stimuli. (495) |
| | A) | True |
| | B) | False |
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10 | | Olfactory hairs are actually specialized dendritic endings that respond to chemical stimuli. (495) |
| | A) | True |
| | B) | False |
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11 | | The short, thickened filiform papillae are located on the posterior one-third of the tongue. (497) |
| | A) | True |
| | B) | False |
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12 | | All acids taste sour because of the presence of hydroxide ions. (497) |
| | A) | True |
| | B) | False |
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13 | | To test the functionality of the facial (seventh cranial) nerves, a sweet substance would be placed on the tip of the tongue. (499) |
| | A) | True |
| | B) | False |
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14 | | Lacrimal fluid, or tears, is secreted from the lacrimal glands located at the medial corner of the eye. (502) |
| | A) | True |
| | B) | False |
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15 | | All of the movements of the eyeball result from the selective contraction of one or more of the six extrinsic ocular muscles. (502) |
| | A) | True |
| | B) | False |
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16 | | The suspensory ligament of the eye is composed of zonular fibers attached to the ciliary body. (505) |
| | A) | True |
| | B) | False |
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17 | | When viewing a close object, the ciliary muscles contract and flatten the lens. (505) |
| | A) | True |
| | B) | False |
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18 | | Involuntary contraction of the smooth muscles within the iris aids in the focusing of light waves onto the back of the retina. (505) |
| | A) | TRUE |
| | B) | FALSE |
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19 | | Aqueous humor, which fills the anterior and posterior chambers of the eye, is secreted from the ciliary body. (508) |
| | A) | True |
| | B) | False |
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20 | | The retina of the eye is nourished by the vitreous humor, which is secreted from specialized cells within the choroid layer. (508) |
| | A) | True |
| | B) | False |
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21 | | The cornea and the lens are the only refractory structures of the eye. (510) |
| | A) | True |
| | B) | False |
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22 | | All of the visual impulses pass through the superior colliculus along the neural pathway toward the occipital lobe of the cerebrum. (513) |
| | A) | True |
| | B) | False |
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23 | | All three germ layers are involved in the formation of the eye. (515) |
| | A) | True |
| | B) | False |
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24 | | The tympanic membrane amplifies the sound waves as they pass from the outer ear to the middle ear. (519) |
| | A) | True |
| | B) | False |
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25 | | Contractions of the tensor tympani and the stapedius muscles aid the auditory ossicles in amplification of sound. (519) |
| | A) | True |
| | B) | False |
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26 | | The vestibular organs include the utricle and the saccule. (520) |
| | A) | True |
| | B) | False |
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27 | | Incoming sound waves pass, in order, through gaseous, solid, and fluid media. (523) |
| | A) | True |
| | B) | False |
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28 | | Sounds of low pitch (50 Hz) cause movements only at the apex of the basilar membrane. (523) |
| | A) | True |
| | B) | False |
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