senses practice questions
connect the tympanic membrane with the oval window for sound transmission.
incus, malleus, stapes
___ of taste is affected by smell
90
Which extrinsic eye muscle rotates the eyes clockwise? A) Inferior oblique This is the correct answer. B) superior oblique C) lateral rectus D) medial rectus
b
Which is the last structure to vibrate in this sequence? A) malleus This is the correct answer. B) oval window C) stapes D) incus
b
Which of these is the last in the tear flow sequence? A) lacrimal duct This is the correct answer. B) nasolacrimal duct C) lacrimal gland D) lacrimal sac
b
Which of the following adaptations does NOT take place when one moves from a well-lit room to a dark room?
The retina becomes less sensitive
The organ of the ear that actually transfers vibrations into impulses is the a) vestbule b) organ of corti c) semicircular canals
b
Most olfactory receptors are located on the ______ surface of the nasal cavity. This is the correct answer. A) superior B) inferior C) lateral D) medial
a
The inner surface of the eyelids are lined with ______________. This is the correct answer. A) conjunctiva B) extrinsic eye muscles C) dense connective tissue D) lacrimal apparatus
a
The portion(s) of the tongue that actually perceives taste is/are the _____________. This is the correct answer. A) taste hairs B) papillae C) epithelium of tongue D) taste buds
a
The sclera does all of the following except: A) Allow light to enter the eye b) Protect the eye c) Maintain eye shape
a
What type of somatic receptor lies within tendons close to the point of attachment to muscles and is stimulated by increased muscular tension? This is the correct answer. A) Golgi tendon organ B) muscle spindle C) free nerve ending D) Meissners corpuscle
a
When you fly in an airplane and your ears pop, it is because you are relieving pressure via the a) eustacian tube b) tympanic membrane c) semiciruclar canal
a
Why do odors sometimes alter our moods? This is the correct answer. 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.
a
which taste buds detect bitter a) curcumvillate b) filiform c) fungiform
a
The receptors for taste and smell are classified as __________. a) thermoreceptors b) chemoreceptors c) mechanoreceptors d) proprioceptors
b
The lacrimal caruncle is
a mass of soft tissue at the median canthus.
olfactory nerves
adapt quickly to stimuli
How do the senses of smell and taste differ? A) They differ in the types of receptors they employ. This is the correct answer. 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.
b
Objects are perceived by photoreceptors because the rods or cones _______________ as their _________________ in the presence of light. A) depolarize; pigments are manufactured This is the correct answer. B) hyperpolarize; pigments decompose C) repolarize; pigments remain unchanged D) depolarize; pigments decompose
b
Otosclerosis causes deafness by a) ear wax build up b) bones fusing c) damage to hairlike projections
b
The _____ is a membrane covering the anterior portion of the eyeball. A) cornea This is the correct answer. B) conjunctiva C) sclera D) eyelid
b
from the lab, the dark layer inside the eye is the ___ and its job is to a) retina, to trap light for images b) choroid coat, prevent light scatter c) sclera, bends light to lens
b
hoose 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. This is the correct answer. 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.
b
loss of the sensation of taste is referred to as _____________. A) dysosmia This is the correct answer. B) ageusia C) hypogeusia D) asnosmia
b
the auditory canal is part of the _____. A) inner ear B) middle ear This is the correct answer. C) outer ear D) pinna
b
the cells of the eye that are most sensitive to light are the a) rods b) cones c) cornea
b
the organs of static equilibrium are located within the ______________ and employ shifting ___________ to set up nerve impulses. A) semicircular canals; gelatinous material This is the correct answer. B) vestibule; otoliths C) cochlea; fluid D) vestibule; crista ampullaris
b
which is not a purpose of the secretions of the lacrimal gland a) cleanse the eye b) provide oils c) kill bacteria
b
Taste buds sensitive to bitterness are concentrated at the __________ of the tongue.
back
the conjunctival mucous membrane covers __________.
both the inner surface of the eyelids and the visible portion of the sclera
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 This is the correct answer. C) air inside the middle ear dissipates the sound waves D) perilymph inside the scala vestibuli absorbs sound wave energy
c
The area of the brain that integrates proprioceptor data is the: A) cerebrum B) hypothalamus This is the correct answer. C) cerebellum D) medulla oblongat
c
The region on the retina that produces the sharpest vision is called the _______________. A) sclera B) aqueous humor This is the correct answer. C) fovea centralis D) optic disk
c
When focusing, the lens shape changes by: a) contraction of the suspensory ligaments b) contraction of the iris c) contraction of the ciliary body
c
Which muscle moves the eye towards the midline? A) superior oblique B) superior rectus This is the correct answer. C) medial rectus D) lateral rectus
c
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. This is the correct answer. 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.
c
if one suffers from myopia, they have eyeballs that are too ___ and need ____ lens to correct the problem a) short, concave b) wide, convex c) long, concave
c
the nose and the tongue are both for ____ reception a) electrical b) vibratory c) chemical
c
which is not a loss of clear vision due to aging a) prebyopia b) macular degenration c) strabismus
c
the sensitive areas of olfactory receptors are
cilia
The organ of Corti is found in the __________.
cochlear duct
The large external pinna of the ear, the smaller tympanic membrane, and the tiny oval window are ordered in decreasing size to
collect and amplify sound for the cochlea to process
Strabismus is caused by __________.
congenital weakness of the extrinsic muscles of the eye
pink eye is caused by an infection that produces inflammation of the __________.
conjuctiva
the accessory structures of the eye do NOT include
cornea
sequence follows the correct passage of light entering the cornea?
cornea, anterior segment, pupil, lens, posterior segment
Olfactory nerve fibers reach the brain by traveling through which bone structure and which cranial nerve?
cribriform plate of the ethmoid bone and cranial nerve I
A sensory receptor capable of detecting changes in hydrogen ion concentration is more accurately described as a ______________. A) thermoreceptor B) pain receptor C) mechanoreceptor This is the correct answer. D) chemoreceptor
d
Elderly individuals sometimes report that food tastes bland, whereas a child might say that the same food is too spicy. Why does this happen? a) Aging causes an increase in the number of sweet taste buds, while numbers of salty, bitter, and umami receptors remain the same. b) The numbers of all taste buds decline as a person ages. c) The number of functional olfactory receptors decline as a person ages. d) both b and c
d
Heavy pressure and vibrations stimulate ________________. A) proprioceptors B) baroreceptors C) Meissner's corpusles This is the correct answer. D) Pacinian corpuscles
d
The ability to sense body position is related to _____ receptors. A) general B) pain C) pressure This is the correct answer. D) proprioceptors
d
The actual receptors for hearing and balance are the _____. A) mechanoreceptors B) otoliths C) cochlear cells This is the correct answer. D) hair cells
d
The chamber that actually houses the hearing receptors is the __________________. A) vestibule B) semicircular canal C) scala tympani This is the correct answer. D) cochlear duct
d
Which cranial nerve does not innervate eye muscles? A) III B) trochlear C) abducens This is the correct answer. D) I
d
olfactory receptors are a) replaced approximately every 30 days. b) highly modified neurons. c) able to distinguish thousands of distinct odors. d) all of the above.
d
the conjunctiva is a) a squamous epithelium. b) a mucous membrane. c) the lining of the palpebrae. d) all of the above
d
our eyes are best adapted for
distant vision
Information from sensory cells of the semicircular canals a) are relayed to the cerebral cortex and cerebellum. b) synapse with neurons in the vestibular nuclei in the CNS. c) is transmitted to the brain by the vestibulocochlear nerve. d) is monitored by vestibular ganglia. e) all of the above.
e
The pharyngotympanic tube __________.
equalizes air pressure between the middle ear and outside air
Circumvallate papillae
form a "V" near the back of the tongue.
Which of the following neurotransmitters is involved with hearing in the inner ear?
gluamate
The movement of the statoconia stimulate which cells to send information to the brain regarding body position?
hair cell
Filiform papillae
have no taste bud
Anosmia, an olfactory disorder is caused by __________.
head injuries or the aftereffects of nasal cavity inflammation
The near point of vision is the shortest __________
in childern
the receptors for sound reception and equilibrium are located in the __________.
inner ear cavity
When a person cries, he or she tends to keep on wiping their dripping nose. The nose drips because __________.
lacrimal gland secretions wash the eyeball and drain into the lacrimal duct, which empties into the nasal cavity
Ninety-nine percent of refractive problems in the eye are related to the __________
length of eyebal
The horizontal movement of the eyeball toward the nose is the function of the __________.
medial rectus
When focusing on a distant object, the lens is __________.
more flattened
__________ are one of the few types of neurons that can replace themselves in adult life.
olfactory receptors
not found in outer ear
pharyngotympanic tube
The bleaching of the pigment refers to the __________.
process of breaking down the retinal-opsin combinations that form the rhodopsin found in the rods and cones
The tiny skeletal muscles associated with the ossicles of the middle ear function to __________.
protects the hearing receptors from loud sounds
rods are found in the
retina
Arrange the tunics of the wall of the eyeball in their correct sequence from inside out.
retina, choroid, sclera
Retinitis pigmentosa is a disease of the __________.
rods
the major categories of photoreceptors in the eye are the
rods and cones
Motion sickness is caused by the reception of conflicting information from the eyes (telling your mind your position in space) and the _________________ (the component of the inner ear monitoring your body position).
semicircular canals
Rotational movement of the head is monitored by receptors located in the __________.
semicircular canals
Taste buds sensitive to sourness are concentrated at the __________ of the tongue.
sides
Seventy percent of the sensory receptors in the body involved with __________.
sight
Gustatory nerves synapse in the
solitary nucleus of the medulla.
Ciliary glands are modified __________.
sweat glands
type of stimulation results in an increase in the diameter of the pupil?
sympathetic nerves
Taste buds are monitored by __________ cranial nerves.
three
The wall of the eye consists of __________ distinct layers.
three
The middle layer of the eye is __________ and is known as the __________.
vascular, uvea
As a rule, the only special sense not fully functional at birth is __________.
vision
The posterior cavity of the eyeball is filled with a gelatinous substance called the
viterous humor
the optic disc on the retina is
where the optic nerve leaves the eye
