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Hole's Human Anatomy & Physiology, 9/e

David Shier, Washtenaw Community College
Ricki Lewis, The University at Albany
Jackie Butler, Grayson County Community College

Somatic and Special Senses

Multiple Choice Quiz

Please answer all questions


1	A sensory receptor capable of detecting changes in hydrogen ion concentration is more accurately described as a ______________.
		A)	thermoreceptor
		B)	pain receptor
		C)	mechanoreceptor
		D)	chemoreceptor


2	Heavy pressure and vibrations stimulate ________________.
		A)	proprioceptors
		B)	baroreceptors
		C)	Meissner's corpusles
		D)	Pacinian corpuscles


3	Choose the statement about the sense of pain that is correct.
		A)	Pain receptors are among many types of receptors in the viscera that produce sensations.
		B)	A phenomenon known as referred pain can be explained because of common nerve pathways used by both the skin and internal organs.
		C)	Acute pain fibers are never myelinated.
		D)	Chronic pain fibers stop sending signals as soon as the stimulus ceases.


4	What type of somatic receptor lies within tendons close to the point of attachment to muscles and is stimulated by increased muscular tension?
		A)	Golgi tendon organ
		B)	muscle spindle
		C)	free nerve ending
		D)	Meissners corpuscle


5	Which of these statements about the sense of smell is not true?
		A)	Olfactory receptor cells are bipolar neurons that are not replaced when damaged.
		B)	Chemicals are received by specific plasma membrane receptors in the olfactory receptor cells.
		C)	Olfactory receptors do not adapt quickly.
		D)	The main areas of the brain that interpret the sense of smell lie in the temporal and frontal lobes.


6	The portion(s) of the tongue that actually perceives taste is/are the _____________.
		A)	taste hairs
		B)	papillae
		C)	epithelium of tongue
		D)	taste buds


7	How do the senses of smell and taste differ?
		A)	They differ in the types of receptors they employ.
		B)	They differ in the reproductive rate of the receptors.
		C)	They differ in their rate of sensory adaptation.
		D)	They do not both employ cilia or hair-like extension of their receptor cells.


8	Why do odors sometimes alter our moods?
		A)	Because sensory input from olfaction is routed through the limbic system.
		B)	Because odors act as neurotransmitters and alter brain chemistry.
		C)	Because odors are satisfying to our sense of hunger.
		D)	Odors do not alter mood.


9	Loss of the sensation of taste is referred to as _____________.
		A)	dysosmia
		B)	ageusia
		C)	hypogeusia
		D)	asnosmia


10	The chamber that actually houses the hearing receptors is the __________________.
		A)	vestibule
		B)	semicircular canal
		C)	scala tympani
		D)	cochlear duct


11	After the inner ear has perceived sound, the sound is dissipated because ____________.
		A)	perilymph inside the scala tympani absorbs the sound wave energy
		B)	endolymph inside the cochlear duct absorbs sound wave energy
		C)	air inside the middle ear dissipates the sound waves
		D)	perilymph inside the scala vestibuli absorbs sound wave energy


12	The organs of static equilibrium are located within the ______________ and employ shifting ___________ to set up nerve impulses.
		A)	semicircular canals; gelatinous material
		B)	vestibule; otoliths
		C)	cochlea; fluid
		D)	vestibule; crista ampullaris


13	The inner surface of the eyelids are lined with ______________.
		A)	conjunctiva
		B)	extrinsic eye muscles
		C)	dense connective tissue
		D)	lacrimal apparatus


14	The region on the retina that produces the sharpest vision is called the _______________.
		A)	sclera
		B)	aqueous humor
		C)	fovea centralis
		D)	optic disk


15	Objects are perceived by photoreceptors because the rods or cones _______________ as their _________________ in the presence of light.
		A)	depolarize; pigments are manufactured
		B)	hyperpolarize; pigments decompose
		C)	repolarize; pigments remain unchanged
		D)	depolarize; pigments decompose


16	The ability to sense body position is related to _____ receptors.
		A)	general
		B)	pain
		C)	pressure
		D)	proprioceptors


17	The area of the brain that integrates proprioceptor data is the:
		A)	cerebrum
		B)	hypothalamus
		C)	cerebellum
		D)	medulla oblongata


18	Most olfactory receptors are located on the ______ surface of the nasal cavity.
		A)	superior
		B)	inferior
		C)	lateral
		D)	medial


19	Which muscle moves the eye towards the midline?
		A)	superior oblique
		B)	superior rectus
		C)	medial rectus
		D)	lateral rectus


20	Which extrinsic eye muscle rotates the eyes clockwise?
		A)	Inferior oblique
		B)	superior oblique
		C)	lateral rectus
		D)	medial rectus


21	Which cranial nerve does not innervate eye muscles?
		A)	III
		B)	trochlear
		C)	abducens
		D)	II


22	The _____ is a membrane covering the anterior portion of the eyeball.
		A)	cornea
		B)	conjunctiva
		C)	sclera
		D)	eyelid


23	Which of these is the last in the tear flow sequence?
		A)	lacrimal duct
		B)	nasolacrimal duct
		C)	lacrimal gland
		D)	lacrimal sac


24	The actual receptors for hearing and balance are the _____.
		A)	mechanoreceptors
		B)	otoliths
		C)	cochlear cells
		D)	hair cells


25	The auditory canal is part of the _____.
		A)	inner ear
		B)	middle ear
		C)	outer ear
		D)	pinna


26	Which is the last structure to vibrate in this sequence?
		A)	malleus
		B)	oval window
		C)	stapes
		D)	incus

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