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Essentials of Anatomy & Physiology, 4/e

Rod R. Seeley, Idaho State University
Philip Tate, Phoenix College
Trent D. Stephens, Idaho State University

The Senses

Feedback Multiple Choice Quiz

Please answer all questions


1	Stimulation of nociceptors results in the sensation of
		A)	touch.
		B)	light.
		C)	pain.
		D)	heat.
		E)	cold.


2	Given these structures: 1. olfactory bulb 2. olfactory cortex 3. olfactory neuron 4. olfactory tract, Arrange the structures in the correct order as an action potential passes from a receptor to the brain.
		A)	1,2,3,4
		B)	1,3,4,2
		C)	2,1,3,4
		D)	3,1,4,2
		E)	4,3,1,2


3	Taste buds
		A)	are located on the surfaces of papillae.
		B)	can detect at least 100 basic tastes.
		C)	send action potentials through cranial nerves V and VI.
		D)	have taste hairs that have an enlarged end called a taste bulb.
		E)	all of these


4	The sclera and cornea of the eye are part of the
		A)	fibrous tunic.
		B)	nervous tunic.
		C)	vascular tunic.


5	Which of these causes the greatest amount of convergence as light passes through the eye?
		A)	cornea
		B)	aqueous humor
		C)	lens
		D)	ciliary body
		E)	vitreous humor


6	Rhodopsin
		A)	is found in cone cells.
		B)	is a pigment sensitive to certain chemicals.
		C)	is found in the vascular tunic of the eye.
		D)	occurs in three types that are sensitive to red, blue, or green light.
		E)	when struck by light, separates into retinal and opsin.


7	The part of the retina with the most densely packed photoreceptor cells is the
		A)	optic disk.
		B)	pigmented retina.
		C)	fovea centralis.
		D)	ciliary body.
		E)	choroid.


8	Aqueous humor
		A)	is found in the anterior compartment of the eye.
		B)	is produced by the ciliary body.
		C)	refracts light.
		D)	can cause glaucoma if its flow is blocked.
		E)	all of these.


9	Accommodation of the eye occurs
		A)	when objects farther than 20 feet are being viewed.
		B)	when ciliary muscles relax.
		C)	and causes the lens to become thicker.
		D)	and causes the light to be refracted less.
		E)	all of these


10	Myopia
		A)	is the ability to see distant objects, but not close ones.
		B)	can be corrected by a concave lens.
		C)	occurs when the image is focused behind the retina.
		D)	is the same thing as presbyopia.
		E)	occurs because of weak eye muscles.


11	The middle ear
		A)	contains the cochlea and vestibule.
		B)	connects to the inner ear by the oval window and round window.
		C)	has the auditory tube, which contains the tympanic membrane.
		D)	opens into the ethmoid air cells.
		E)	is filled with endolymph.


12	The cochlear duct contains ______; the scala vestibuli and scala tympani contain ______.
		A)	endolymph, endolymph
		B)	endolymph, perilymph
		C)	perilymph, endolymph
		D)	perilymph, perilymph


13	The spiral organ contains hair cells that have microvilli embedded in the
		A)	oval window.
		B)	vestibular membrane.
		C)	basilar membrane.
		D)	tectorial membrane.
		E)	tympanic membrane.


14	Given these structures: 1. auditory ossicles 2. oval window 3. scala tympani 4. scala vestibuli 5. tympanic membrane, Arrange the structures in the order in which they move as pressure waves in the air are converted to pressure waves in a liquid.
		A)	1,2,4,3,5
		B)	2,1,5,3,4
		C)	2,4,1,3,5
		D)	4,3,5,1,2
		E)	5,1,2,4,3


15	The semicircular canals
		A)	are divided into a utricle and saccule.
		B)	are involved in kinetic equilibrium.
		C)	contain specialized epithelium called the macula.
		D)	contain otoliths.
		E)	evaluate the position of the head relative to gravity.

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