Transcript ch_17_quiz_show

Chapter 17 – The Special Senses
Taste and
Smell
The Better to
See You With
$100
$100
$200
The Better to
Hear You With
Eye for an
Eye
I Sense
Something…
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FINAL ROUND
Topic 1: Taste and Smell
$100 Question
Which type of lingual papillae DO NOT contain
taste buds? What is their function?
a. circumvallate papillae; perception of
water molecules
b. umami papillae; perception of glutamate
c. filiform papillae; provide friction
d. fungiform papillae; appreciation of
texture
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ANSWER
BACK TO GAME
Topic 1: Taste and Smell
$100 Answer
Which type of lingual papillae DO NOT contain
taste buds? What is their function?
a. circumvallate papillae; perception of
water molecules
b. umami papillae; perception of glutamate
c. filiform papillae; provide friction
d. fungiform papillae; appreciation of
texture
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BACK TO GAME
Topic 1: Taste and Smell
$200 Question
What is unique about the sense of smell when compared
to other special senses?
a. Olfaction travels along only one large cranial
nerve.
b. Olfactory stimulation is the only type of sensory
information that reaches the cerebral cortex
directly.
c. Olfactory postganglionic nerve fibers run through
the cribriform plate of the ethmoid bone.
d. Both B and C are correct.
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ANSWER
BACK TO GAME
Topic 1: Taste and Smell
$200 Answer
What is unique about the sense of smell when compared
to other special senses?
a. Olfaction travels along only one large cranial
nerve.
b. Olfactory stimulation is the only type of sensory
information that reaches the cerebral cortex
directly.
c. Olfactory postganglionic nerve fibers run through
the cribriform plate of the ethmoid bone.
d. Both B and C are correct.
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Topic 1: Taste and Smell
$300 Question
Which cranial nerve supplies taste buds
located in circumvallate papillae?
a. glossopharyngeal nerve
b. vagus nerve
c. trigeminal nerve
d. facial nerve
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ANSWER
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Topic 1: Taste and Smell
$300 Answer
Which cranial nerve supplies taste buds
located in circumvallate papillae?
a. glossopharyngeal nerve
b. vagus nerve
c. trigeminal nerve
d. facial nerve
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Topic 1: Taste and Smell
$400 Question
Why does the smell of formaldehyde seem to
dissipate during the time you spend in the
dissection lab, yet you are able to detect the
cologne of someone who just entered the lab?
a. Olfactory receptors are destroyed by
formaldehyde.
b. Olfactory receptors adapt to the smell of
formaldehyde.
c. Central adaptation has occurred, though
olfactory receptors retain sensitivity to
other smells.
ANSWER
d. None of the above is correct.
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© 2012 Pearson Education, Inc.
Topic 1: Taste and Smell
$400 Answer
Why does the smell of formaldehyde seem to
dissipate during the time you spend in the
dissection lab, yet you are able to detect the
cologne of someone who just entered the lab?
a. Olfactory receptors are destroyed by
formaldehyde.
b. Olfactory receptors adapt to the smell of
formaldehyde.
c. Central adaptation has occurred, though
olfactory receptors retain sensitivity to
other smells.
d. None of the above is correct.
BACK TO GAME
© 2012 Pearson Education, Inc.
Topic 1: Taste and Smell
$500 Question
Which of these correctly describes the pathway taste
sensations would take, starting at the tongue?
a. CNs VII, IX, and X  synapse in medulla 
synapse in thalamus  primary sensory cortex
b. Synapse in medulla  CNs VII, IX, X  medial
lemniscus  gustatory cortex  synapse in
thalamus
c. Tongue  CNs VII and IX  synapse in pons 
CN V synapse in thalamus  primary sensory
cortex
d. None of the above is correct.
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ANSWER
BACK TO GAME
Topic 1: Taste and Smell
$500 Answer
Which of these correctly describes the pathway taste
sensations would take, starting at the tongue?
a. CNs VII, IX, and X  synapse in medulla 
synapse in thalamus  primary sensory cortex
b. Synapse in medulla  CNs VII, IX, X  medial
lemniscus  gustatory cortex  synapse in
thalamus
c. Tongue  CNs VII and IX  synapse in pons 
CN V synapse in thalamus  primary sensory
cortex
d. None of the above is correct.
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Topic 2: The Better to See You With
$100 Question
Visual information from the left half of the
combined field of vision arrives at the:
a. visual cortex of the right occipital lobe.
b. superior colliculus on the right side.
c. visual cortex of the left occipital lobe.
d. superior colliculus on the left side.
ANSWER
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Topic 2: The Better to See You With
$100 Answer
Visual information from the left half of the
combined field of vision arrives at the:
a. visual cortex of the right occipital lobe.
b. superior colliculus on the right side.
c. visual cortex of the left occipital lobe.
d. superior colliculus on the left side.
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Topic 2: The Better to See You With
$200 Question
In what circumstance does color blindness
occur?
a. One or more classes of cones is
nonfunctional.
b. Cones are unable to manufacture visual
pigments.
c. Certain types of cones are absent.
d. All of the above are correct.
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ANSWER
BACK TO GAME
Topic 2: The Better to See You With
$200 Answer
In what circumstance does colorblindness
occur?
a. One or more classes of cones is
nonfunctional.
b. Cones are unable to manufacture visual
pigments.
c. Certain types of cones are absent.
d. All of the above are correct.
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Topic 2: The Better to See You With
$300 Question
Why are rods best suited for night vision?
a. Rods have a low threshold for activation.
b. Rods are primarily located within the
fovea.
c. Rods participate in converging pathways.
d. Rods contain several visual pigments.
ANSWER
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Topic 2: The Better to See You With
$300 Answer
Why are rods best suited for night vision?
a. Rods have a low threshold for activation.
b. Rods are primarily located within the
fovea.
c. Rods participate in converging pathways.
d. Rods contain several visual pigments.
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Topic 2: The Better to See You With
$400 Question
What processes take place for the lens of your eye to
become rounder to focus on nearby objects?
a. Ciliary muscles relax, and suspensory ligaments
pull at the circumference of the lens.
b. New fibers are added to the lens, increasing its
refractive power.
c. Ciliary muscles contract, which reduces tension
on the suspensory ligaments.
d. The distance between the lens and the macula
lutea changes, which keeps focal length
ANSWER
constant.
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Topic 2: The Better to See You With
$400 Answer
What processes take place for the lens of your eye to
become rounder to focus on nearby objects?
a. Ciliary muscles relax, and suspensory ligaments
pull at the circumference of the lens.
b. New fibers are added to the lens, increasing its
refractive power.
c. Ciliary muscles contract, which reduces tension
on the suspensory ligaments.
d. The distance between the lens and the macula
lutea changes, which keeps focal length
constant.
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Topic 2: The Better to See You With
$500 Question
Which of the following statements applies to a detached
retina?
a. There is a separation between the neural part of
the retina and the pigmented part.
b. To heal a detached retina, the detached layers
need to be reattached or vision is lost.
c. It is possible to heal a detached retina but
frequently a person will experience permanent
blind spots.
d. All of the above are correct.
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ANSWER
BACK TO GAME
Topic 2: The Better to See You With
$500 Answer
Which of the following statements applies to a detached
retina?
a. There is a separation between the neural part of
the retina and the pigmented part.
b. To heal a detached retina, the detached layers
need to be reattached or vision is lost.
c. It is possible to heal a detached retina but
frequently a person will experience permanent
blind spots.
d. All of the above are correct.
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Topic 3: The Better to Hear You With
$100 Question
What is the role of the auditory ossicles in
hearing?
a. They play a major role in equilibrium.
b. They act as levers that conduct
vibrations to the inner ear.
c. They vibrate against the round window
and distort the perilymph in the
vestibular duct.
ANSWER
d. They play no role in hearing.
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Topic 3: The Better to Hear You With
$100 Answer
What is the role of the auditory ossicles in
hearing?
a. They play a major role in equilibrium.
b. They act as levers that conduct
vibrations to the inner ear.
c. They vibrate against the round window
and distort the perilymph in the
vestibular duct.
d. They play no role in hearing.
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Topic 3: The Better to Hear You With
$200 Question
What is the function of the auditory tube?
a. It helps amplify sound waves.
b. It allows bacteria to travel from the
oropharynx to the middle ear.
c. It permits equalization of pressure on
either side of the tympanic membrane.
d. It secretes cerumen.
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ANSWER
BACK TO GAME
Topic 3: The Better to Hear You With
$200 Answer
What is the function of the auditory tube?
a. It helps amplify sound waves.
b. It allows bacteria to travel from the
oropharynx to the middle ear.
c. It permits equalization of pressure on
either side of the tympanic membrane.
d. It secretes cerumen.
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 3: The Better to Hear You With
$300 Question
You are attending an incredibly loud rock concert. What
is the reaction of your tensor tympani to the noise?
a. It extends to allow free movement of the auditory
ossicles, thus preventing hearing loss.
b. It extends to prevent all movement of auditory
ossicles.
c. It contracts to reduce movement of the stapes.
d. It contracts to pull the malleus medially
and stiffens the tympanic membrane.
© 2012 Pearson Education, Inc.
ANSWER
BACK TO GAME
Topic 3: The Better to Hear You With
$300 Answer
You are attending an incredibly loud rock concert. What
is the reaction of your tensor tympani to the noise?
a. It extends to allow free movement of the auditory
ossicles, thus preventing hearing loss.
b. It extends to prevent all movement of auditory
ossicles.
c. It contracts to reduce movement of the stapes.
d. It contracts to pull the malleus medially
and stiffens the tympanic membrane.
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 3: The Better to Hear You With
$400 Question
Which structures comprise the major
subdivisions of the bony labyrinth?
a. anterior, posterior, and lateral
semicircular ducts
b. middle ear, inner ear, and membranous
labyrinth
c. vestibule, three semicircular canals, and
the cochlea
ANSWER
d. vestibule, saccule, and utricle
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Topic 3: The Better to Hear You With
$400 Answer
Which structures comprise the major
subdivisions of the bony labyrinth?
a. anterior, posterior, and lateral
semicircular ducts
b. middle ear, inner ear, and membranous
labyrinth
c. vestibule, three semicircular canals, and
the cochlea
d. vestibule, saccule, and utricle
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Topic 3: The Better to Hear You With
$500 Question
Where are the sensory receptors that respond to
rotational movements of the head?
a. in the utricle and saccule
b. in the anterior, posterior, and lateral
semicircular ducts
c. in the cochlear duct
d. in the vestibular duct and tympanic duct
ANSWER
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Topic 3: The Better to Hear You With
$500 Answer
Where are the sensory receptors that respond to
rotational movements of the head?
a. in the utricle and saccule
b. in the anterior, posterior, and lateral
semicircular ducts
c. in the cochlear duct
d. in the vestibular duct and tympanic duct
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 4: Eye for an Eye
$100 Question
Which of the following is correct concerning the function
of the uvea (vascular layer)?
a. It stabilizes the shape of the eye and produces
collagen fibers.
b. It provides the route for the optic nerve and
blood vessels to the eye itself.
c. It regulates the amount of light entering the eye.
d. It secretes and reabsorbs vitreous humor.
ANSWER
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BACK TO GAME
Topic 4: Eye for an Eye
$100 Answer
Which of the following is correct concerning the function
of the uvea (vascular layer)?
a. It stabilizes the shape of the eye and produces
collagen fibers.
b. It provides the route for the optic nerve and
blood vessels to the eye itself.
c. It regulates the amount of light entering the eye.
d. It secretes and reabsorbs vitreous humor.
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 4: Eye for an Eye
$200 Question
Which of the following statements correctly describes the
location of rods and cones on the retina?
a. Rods are located in the macula lutea, but only
cones are located in the fovea.
b. Cones are located at the periphery of the retina,
rods at the center.
c. Rods and cones are evenly distributed on the
retina.
d. Cones are located at the center of the retina, rods
at the periphery.
ANSWER
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 4: Eye for an Eye
$200 Answer
Which of the following statements correctly describes the
location of rods and cones on the retina?
a. Rods are located in the macula lutea, but only
cones are located in the fovea.
b. Cones are located at the periphery of the retina,
rods at the center.
c. Rods and cones are evenly distributed on the
retina.
d. Cones are located at the center of the retina, rods
at the periphery.
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 4: Eye for an Eye
$300 Question
When an object appears white, what event has
happened?
a. Photons of all colors have been
absorbed by the object.
b. Photons of all colors have bounced off
the object.
c. Rods have been stimulated.
d. B and C are correct.
© 2012 Pearson Education, Inc.
ANSWER
BACK TO GAME
Topic 4: Eye for an Eye
$300 Answer
When an object appears white, what event has
happened?
a. Photons of all colors have been
absorbed by the object.
b. Photons of all colors have bounced off
the object.
c. Rods have been stimulated.
d. B and C are correct.
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 4: Eye for an Eye
$400 Question
At which interface in the human eye is refraction
the greatest?
a. between air and the cornea
b. between aqueous humor and the lens
c. between the lens and the vitreous body
d. between the vitreous body and the retina
ANSWER
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 4: Eye for an Eye
$400 Answer
At which interface in the human eye is refraction
the greatest?
a. between air and the cornea
b. between aqueous humor and the lens
c. between the lens and the vitreous body
d. between the vitreous body and the retina
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 4: Eye for an Eye
$500 Question
Why can corneal transplant surgeries be performed
between unrelated individuals without the risk of
rejection?
a. White blood cells rush to the new cornea to fight
off infection.
b. There are no blood vessels in the cornea, so
white blood cells cannot attack the foreign
tissue.
c. Aqueous humor contains powerful antibiotics.
d. None of the above is correct.
© 2012 Pearson Education, Inc.
ANSWER
BACK TO GAME
Topic 4: Eye for an Eye
$500 Answer
Why can corneal transplant surgeries be performed
between unrelated individuals without the risk of
rejection?
a. White blood cells rush to the new cornea to fight
off infection.
b. There are no blood vessels in the cornea, so
white blood cells cannot attack the foreign
tissue.
c. Aqueous humor contains powerful antibiotics.
d. None of the above is correct.
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 5: I Sense Something…
$100 Question
The receptors for hearing are located in ____,
which is filled with ____.
a. the organ of Corti in the cochlear duct;
endolymph
b. hair cells in the vestibular duct; perilymph
c. the tectorial membrane in the tympanic
duct; perilymph
d. none of the above
© 2012 Pearson Education, Inc.
ANSWER
BACK TO GAME
Topic 5: I Sense Something…
$100 Answer
The receptors for hearing are located in ____,
which is filled with ____.
a. the organ of Corti in the cochlear duct;
endolymph
b. hair cells in the vestibular duct; perilymph
c. the tectorial membrane in the tympanic
duct; perilymph
d. none of the above
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 5: I Sense Something…
$200 Question
Which of the following describes the
intensity of a sound?
a. decibels
b. pitch
c. frequency
d. amplitude
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ANSWER
BACK TO GAME
Topic 5: I Sense Something…
$200 Answer
Which of the following describes the
intensity of a sound?
a. decibels
b. pitch
c. frequency
d. amplitude
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BACK TO GAME
Topic 5: I Sense Something…
$300 Question
When aqueous humor cannot drain into
the scleral venous sinus, _______ results.
a. retinitis pigmentosa
b. age-related macular degeneration
c. glaucoma
d. loss of depth perception
ANSWER
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BACK TO GAME
Topic 5: I Sense Something…
$300 Answer
When aqueous humor cannot drain into
the scleral venous sinus, _______ results.
a. retinitis pigmentosa
b. age-related macular degeneration
c. glaucoma
d. loss of depth perception
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BACK TO GAME
Topic 5: I Sense Something…
$400 Question
How does vitamin A deficiency affect vision?
a. Photoreceptors are destroyed causing blindness
within a few years.
b. The amount of visual pigment in photoreceptors
declines, causing poor night vision.
c. The ability of the eyes to accommodate for
distance vision decreases.
d. Pupillary reflexes and reflexive eye movement
are lost.
ANSWER
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BACK TO GAME
Topic 5: I Sense Something…
$400 Answer
How does vitamin A deficiency affect vision?
a. Photoreceptors are destroyed causing blindness
within a few years.
b. The amount of visual pigment in photoreceptors
declines, causing poor night vision.
c. The ability of the eyes to accommodate for
distance vision decreases.
d. Pupillary reflexes and reflexive eye movement
are lost.
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 5: I Sense Something…
$500 Question
Low-frequency sounds vibrate the basilar membrane
__________ because _________.
a. near the round window; perilymph is
incompressible
b. near the oval window; of shorter wavelength
c. far from the oval window; of longer wavelength
d. against the tectorial membrane; pressure waves
are created in endolymph of the vestibular duct
ANSWER
© 2012 Pearson Education, Inc.
BACK TO GAME
Topic 5: I Sense Something…
$500 Answer
Low-frequency sounds vibrate the basilar membrane
__________ because _________.
a. near the round window; perilymph is
incompressible
b. near the oval window; of shorter wavelength
c. far from the oval window; of longer wavelength
d. against the tectorial membrane; pressure waves
are created in endolymph of the vestibular duct
© 2012 Pearson Education, Inc.
BACK TO GAME
FINAL ROUND Question
What is the survival value of being more
sensitive to sour and bitter tastes than to sweet
and salty ones?
a. Sour acids can damage mucous
membranes.
b. Many potent toxins have a bitter taste.
c. Sweet and salty tastes are pleasant, and
therefore good for you.
ANSWER
d. A and B are correct.
© 2012 Pearson Education, Inc.
BACK TO GAME
FINAL ROUND Answer
What is the survival value of being more
sensitive to sour and bitter tastes than to sweet
and salty ones?
a. Sour acids can damage mucous
membranes.
b. Many potent toxins have a bitter taste.
c. Sweet and salty tastes are pleasant, and
therefore good for you.
d. A and B are correct.
© 2012 Pearson Education, Inc.
BACK TO GAME