Question 1

There are many more olfactory cells than there are taste buds.

Accepted Answer

A) True 
 B)False  True

Question 2

Which structure in the eye refracts and focuses light rays?

Accepted Answer

A)  lens 
B)  humors 
C)  cone cells 
D)  retina 
E)  pupil 
A)  lens 
B)  humors 
C)  cone cells 
D)  retina 
E)  pupil A

Question 3

What type of receptor is involved in reflex actions that maintain muscle tone and, thereby, the body's equilibrium and posture?

Accepted Answer

A)  proprioceptors 
B)  cutaneous receptors 
C)  pain receptors 
D)  chemoreceptors 
E)  nociceptors 
A)  proprioceptors 
B)  cutaneous receptors 
C)  pain receptors 
D)  chemoreceptors 
E)  nociceptors A

Question 4

All sensory receptors initiate nerve signals.

Accepted Answer

A) True 
 B)False

Question 5

Where are thermoreceptors located?

Accepted Answer

A)  aorta and vena cava 
B)  muscles, joints, and tendons 
C)  hypothalamus and skin 
D)  nasal cavity and tongue 
E)  semicircular canals of the ear 
A)  aorta and vena cava 
B)  muscles, joints, and tendons 
C)  hypothalamus and skin 
D)  nasal cavity and tongue 
E)  semicircular canals of the ear

Question 6

What percentage of what we perceive as taste is due to smell?

Accepted Answer

A)  80 - 90% 
B)  100% 
C)  40 - 50% 
D)  10 - 20% 
E)  0% 
A)  80 - 90% 
B)  100% 
C)  40 - 50% 
D)  10 - 20% 
E)  0%

Question 7

Which of the following is found within the cochlea?

Accepted Answer

A)  stapes 
B)  spiral organ 
C)  tympanic membrane 
D)  semicircular canals 
E)  incus 
A)  stapes 
B)  spiral organ 
C)  tympanic membrane 
D)  semicircular canals 
E)  incus

Question 8

How can you tell the difference between the sound of a tuba and that of a flute?

Accepted Answer

A)  Each part of the spiral organ is sensitive to different wave frequencies. 
B)  The brain interprets pitches based on the strength of the sound waves. 
C)  Lower pitches cause the tympanic membrane to vibrate while higher pitches vibrate the vestibular canal. 
D)  Lower pitches activate all three bones of the middle ear, while higher pitches only activate one or two. 
E)  The cochlear nerve fires more frequently for higher pitches and less frequently for lower pitches. 
A)  Each part of the spiral organ is sensitive to different wave frequencies. 
B)  The brain interprets pitches based on the strength of the sound waves. 
C)  Lower pitches cause the tympanic membrane to vibrate while higher pitches vibrate the vestibular canal. 
D)  Lower pitches activate all three bones of the middle ear, while higher pitches only activate one or two. 
E)  The cochlear nerve fires more frequently for higher pitches and less frequently for lower pitches.

Question 9

What controls the shape of the lens?

Accepted Answer

A)  ciliary muscle 
B)  cornea 
C)  iris 
D)  pupil 
E)  fovea centralis 
A)  ciliary muscle 
B)  cornea 
C)  iris 
D)  pupil 
E)  fovea centralis

Question 10

What structures, in order, are responsible for hearing, starting with a sound wave?

Accepted Answer

A)  auditory canal, tympanic membrane, malleus, incus, stapes, oval window, cochlea 
B)  cochlea, tympanic membrane, auditory canal, malleus, incus, stapes, oval window 
C)  tympanic membrane, incus, stapes, malleus, oval window, cochlea, auditory canal 
D)  auditory canal, oval window, stapes, incus, malleus, tympanic membrane, cochlea 
E)  tympanic membrane, malleus, incus, stapes, auditory canal, cochlea, oval window 
A)  auditory canal, tympanic membrane, malleus, incus, stapes, oval window, cochlea 
B)  cochlea, tympanic membrane, auditory canal, malleus, incus, stapes, oval window 
C)  tympanic membrane, incus, stapes, malleus, oval window, cochlea, auditory canal 
D)  auditory canal, oval window, stapes, incus, malleus, tympanic membrane, cochlea 
E)  tympanic membrane, malleus, incus, stapes, auditory canal, cochlea, oval window

Question 11

Proprioceptors are classified as which type of receptor?

Accepted Answer

A)  mechanoreceptors 
B)  cutaneous receptor 
C)  nociceptor 
D)  photoreceptor 
E)  chemoreceptor 
A)  mechanoreceptors 
B)  cutaneous receptor 
C)  nociceptor 
D)  photoreceptor 
E)  chemoreceptor

Question 12

It is just a myth that eating carrots will improve your night vision.

Accepted Answer

A) True 
 B)False

Question 13

Taste cells and the carotid bodies are alike in that both

Accepted Answer

A)  are chemoreceptors. 
B)  are found in the mouth. 
C)  utilize pressure to activate sensory receptors. 
D)  respond to distant stimuli. 
E)  respond to changes in pH. 
A)  are chemoreceptors. 
B)  are found in the mouth. 
C)  utilize pressure to activate sensory receptors. 
D)  respond to distant stimuli. 
E)  respond to changes in pH.

Question 14

Which disorder of the eye is due to an accumulation of aqueous humor?

Accepted Answer

A)  glaucoma 
B)  color blindness 
C)  nearsightedness 
D)  farsightedness 
E)  astigmatism 
A)  glaucoma 
B)  color blindness 
C)  nearsightedness 
D)  farsightedness 
E)  astigmatism

Question 15

What do nociceptors detect?

Accepted Answer

A)  stimuli of pain 
B)  stimuli of smell 
C)  stimuli of touch 
D)  stimuli of pressure 
E)  stimuli of taste 
A)  stimuli of pain 
B)  stimuli of smell 
C)  stimuli of touch 
D)  stimuli of pressure 
E)  stimuli of taste

Question 16

The type of taste called umami allows us to enjoy what type of flavor?

Accepted Answer

A)  sweet 
B)  savory 
C)  sour 
D)  salty 
E)  bitter 
A)  sweet 
B)  savory 
C)  sour 
D)  salty 
E)  bitter

Question 17

Papillae occur along the walls of the taste buds on the tongue.

Accepted Answer

A) True 
 B)False

Question 18

As you try to focus on a far away object, the lens of the eye becomes round and thick.

Accepted Answer

A) True 
 B)False

Question 19

When blood pressure increases, what type of sensory receptor detects this?

Accepted Answer

A)  an exteroceptor called a chemoreceptor 
B)  an exteroceptor called a osmoreceptor 
C)  an exteroceptor called a nociceptor 
D)  an interoceptor called a baroreceptor 
E)  an interoceptor called a chemoreceptor 
A)  an exteroceptor called a chemoreceptor 
B)  an exteroceptor called a osmoreceptor 
C)  an exteroceptor called a nociceptor 
D)  an interoceptor called a baroreceptor 
E)  an interoceptor called a chemoreceptor

Question 20

Nociceptors are a type of chemoreceptor.

Accepted Answer

A) True 
 B)False

Exam 14: Senses

There are many more olfactory cells than there are taste buds.

Which structure in the eye refracts and focuses light rays?

What type of receptor is involved in reflex actions that maintain muscle tone and, thereby, the body's equilibrium and posture?

All sensory receptors initiate nerve signals.

Where are thermoreceptors located?

What percentage of what we perceive as taste is due to smell?

Which of the following is found within the cochlea?

How can you tell the difference between the sound of a tuba and that of a flute?

What controls the shape of the lens?

What structures, in order, are responsible for hearing, starting with a sound wave?

Proprioceptors are classified as which type of receptor?

It is just a myth that eating carrots will improve your night vision.

Taste cells and the carotid bodies are alike in that both

Which disorder of the eye is due to an accumulation of aqueous humor?

What do nociceptors detect?

The type of taste called umami allows us to enjoy what type of flavor?

Papillae occur along the walls of the taste buds on the tongue.

As you try to focus on a far away object, the lens of the eye becomes round and thick.

When blood pressure increases, what type of sensory receptor detects this?

Nociceptors are a type of chemoreceptor.

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