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1 | | In order to perceive a sensation, the following conditions are necessary, with the exception of _______________. |
| | A) | a strong enough stimulus to initiate a response |
| | B) | a receptor to convert the stimulus to an impulse |
| | C) | the interpretation of the impulse in the brain |
| | D) | a motor impulse to an effector organ or muscle |
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2 | | The ______________ senses are those with receptors located in visceral organs. |
| | A) | general |
| | B) | visceral |
| | C) | somatic |
| | D) | special |
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3 | | Which one of these is not an exteroceptor? |
| | A) | chemoreceptors in tongue and nose |
| | B) | photoreceptors of the eye |
| | C) | proprioceptors |
| | D) | tactile receptors |
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4 | | Of this list of cutaneous receptors, the _____________ are located in the lower dermis and detect deep pressure and stretch. |
| | A) | organs of Ruffini |
| | B) | bulbs of Krause |
| | C) | free nerve endings |
| | D) | root hair plexuses |
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5 | | Phantom pain occurs because ________________. |
| | A) | the patient has received a fright, which initiates pain impulses in certain people |
| | B) | it is actually referred pain that has been interpreted incorrectly by the brain |
| | C) | the severed neurons of an amputee still function and send pain impulses |
| | D) | certain diseases cause chronic pain in many areas of the body, even those not affected by the disease |
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6 | | Taste buds are found only in the _______________ and _____________ papillae. |
| | A) | vallate; fungiform |
| | B) | vallate; filiform |
| | C) | fungiform; filiform |
| | D) | posterior; filiform |
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7 | | Within the eye, the _________________ contains sebaceous and sudoriferous glands that produce the "sleepers" or "sleep dust" at night. |
| | A) | palpebral fissure |
| | B) | medial commissure |
| | C) | lateral commissure |
| | D) | lacrimal caruncle |
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8 | | Modified sweat glands, also called ___________________, are located within the eyelids. |
| | A) | sebaceous glands |
| | B) | tarsal glands |
| | C) | ciliary glands |
| | D) | conjunctiva |
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9 | | Of the intrinsic (smooth) muscles within the eye, the ________________ causes the pupil to become larger. |
| | A) | ciliary muscle |
| | B) | pupillary dilator muscle |
| | C) | pupillary constrictor muscle |
| | D) | medial rectus muscle |
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10 | | The choroid of the eye carries out each of these functions, with the exception of ________________. |
| | A) | houses blood vessels to carry nutrients and remove wastes |
| | B) | having a dark pigment to keep light rays from bouncing within the eye |
| | C) | housing the photoreceptors |
| | D) | All of these are functions of the choroid. |
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11 | | The area of keenest vision, where there is a high concentration of cone cells, is called the _______________. |
| | A) | fovea centralis |
| | B) | macula lutea |
| | C) | blind spot |
| | D) | optic disc |
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12 | | The tectal system, which is responsible for body-eye coordination, is comprised of the _________________ and the motor pathways they activate. |
| | A) | optic chiasma |
| | B) | geniculostriate system |
| | C) | striate cortex |
| | D) | superior colliculi |
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13 | | Between the scala vestibuli and scala tympani of the cochlea is the ______________, a triangular middle chamber filled with endolymph and housing the spiral organ. |
| | A) | membranous ampulla |
| | B) | cochlear duct |
| | C) | semicircular canal |
| | D) | cupula |
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14 | | ______________ afflicts the inner ear and may cause both hearing loss and equilibrium disturbance as the autonomic nervous system constricts vessels in the inner ear. |
| | A) | acute purulent otitis media |
| | B) | otosclerosis |
| | C) | Meniere's disease |
| | D) | Strabismus |
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