Question 1

Match between columns
                        Premises: site of the vestibular canal and tympanic canal
location of the auditory nerve
sound waves moving through this area hit tympanic membrane
air-filled chamber in temporal bone containing three small bones

Accepted Answer

The Answer of middle ear and inner ear and outer is...

Question 2

Each of the following statements about cones is TRUE, EXCEPT which one?

Accepted Answer

A)  Cones enable humans to see color. 
B)  Color vision is enabled by the presence of three types of cones. 
C)  Cones are evenly distributed throughout the retina, accounting for visual acuity. 
D)  Cones require more intense light for activation than rods do. 
E)  Visual acuity is dependent upon cones and bright light. 
A)  Cones enable humans to see color. 
B)  Color vision is enabled by the presence of three types of cones. 
C)  Cones are evenly distributed throughout the retina, accounting for visual acuity. 
D)  Cones require more intense light for activation than rods do. 
E)  Visual acuity is dependent upon cones and bright light. C

Question 3

The vestibule contains two fluid-filled chambers, called the utricle and saccule, which are alike in that

Accepted Answer

A)  they both are surrounded by cupular membranes 
B)  each has a gel-like substance on the inside 
C)  both contain ampulla 
D)  they are directly attached to semicircular canals 
E)  each lines the semicircular canals 
A)  they both are surrounded by cupular membranes 
B)  each has a gel-like substance on the inside 
C)  both contain ampulla 
D)  they are directly attached to semicircular canals 
E)  each lines the semicircular canals B

Question 4

The loudness (intensity) of a sound is specifically associated with the

Accepted Answer

A)  frequency of sound waves 
B)  area of the brain interpreting the sensory input 
C)  specific hair cells that respond in the cochlea 
D)  amplitude of the sound waves 
E)  duration of the sound 
A)  frequency of sound waves 
B)  area of the brain interpreting the sensory input 
C)  specific hair cells that respond in the cochlea 
D)  amplitude of the sound waves 
E)  duration of the sound

Question 5

Foods that are potentially toxic or inedible are detected by ________ taste receptors.

Accepted Answer

The answer of Foods that are potentially toxic or inedible...

Question 6

Accommodation enabling us to switch from focusing on something nearby to something more distant is accomplished by the ________ muscle.

Accepted Answer

The answer of Accommodation enabling us to switch from focusing...

Question 7

Both eyes have a blind spot, an area where there are no photoreceptors. When an image is focused on the blind spot, it cannot be "seen."

Accepted Answer

A) True 
 B)False

Question 8

Pain caused by a heart attack in men is often felt in the left shoulder and left arm. This phenomenon is known as ________ pain.

Accepted Answer

The answer of Pain caused by a heart attack in...

Question 9

Pain, especially intense sensations, is unpleasant and sometimes difficult for a person to cope with. The reality though is that pain detection is essential for human survival. Explain how pain detection is necessary for a person's survival.

Accepted Answer

Sensory receptors that detect pain are s

Question 10

Match between columns
                        Premises: sensory nerve cell
taste cell
taste hairs
supporting cell

Accepted Answer

The Answer of A and C and D and B is...

Question 11

Mechanoreceptors specifically designed to monitor muscle length are termed

Accepted Answer

A)  thermoreceptors 
B)  muscle spindles 
C)  dendrites 
D)  muscle fibers 
E)  Pacinian corpuscles 
A)  thermoreceptors 
B)  muscle spindles 
C)  dendrites 
D)  muscle fibers 
E)  Pacinian corpuscles

Question 12

Stronger stimuli activate more receptors and trigger a greater amplitude and speed of action potentials in sensory neurons.

Accepted Answer

A) True 
 B)False

Question 13

A stronger stimulus results in which one of the following?

Accepted Answer

A)  activation of more receptors 
B)  greater frequency of action potentials 
C)  action potentials that travel more quickly 
D)  activation of more receptors and initiation of more action potentials 
E)  neural fatigue 
A)  activation of more receptors 
B)  greater frequency of action potentials 
C)  action potentials that travel more quickly 
D)  activation of more receptors and initiation of more action potentials 
E)  neural fatigue

Question 14

Receptors for fast pain

Accepted Answer

A)  generally arise from muscles or internal organs 
B)  give rise to a phenomenon called referred pain 
C)  transmit action potentials to the brain along the same neurons used by spinal neurons 
D)  generally occur in or near skin 
E)  initiate action potentials that travel more quickly 
A)  generally arise from muscles or internal organs 
B)  give rise to a phenomenon called referred pain 
C)  transmit action potentials to the brain along the same neurons used by spinal neurons 
D)  generally occur in or near skin 
E)  initiate action potentials that travel more quickly

Question 15

The malleus and incus function to

Accepted Answer

A)  channel sounds in the inner ear 
B)  amplify sound 
C)  convert a sound wave into an electrical impulse 
D)  convert a long wave light into an electrical impulse 
E)  sense static position 
A)  channel sounds in the inner ear 
B)  amplify sound 
C)  convert a sound wave into an electrical impulse 
D)  convert a long wave light into an electrical impulse 
E)  sense static position

Question 16

The passageway that extends from the middle ear to the throat is the ________; this structure equalizes air pressure in the middle ear with atmospheric pressure.

Accepted Answer

eustachian tube, aud

Question 17

Taste hairs contain chemoreceptors that are specific for specific chemicals or tastants.

Accepted Answer

A) True 
 B)False

Question 18

Use the figure below to answer the following question.
  
-The structure shown in the figure above is found in which one of the following?

Accepted Answer

A)  skin 
B)  inner ear 
C)  retina 
D)  middle ear 
E)  vestibulocochlear nerve 
A)  skin 
B)  inner ear 
C)  retina 
D)  middle ear 
E)  vestibulocochlear nerve

Question 19

Color blindness usually results from a decrease in the number of

Accepted Answer

A)  rods 
B)  optic disks 
C)  foveae 
D)  cones 
E)  ciliary muscles 
A)  rods 
B)  optic disks 
C)  foveae 
D)  cones 
E)  ciliary muscles

Question 20

It is common for people who are traveling in cars or planes to experience an unpleasant sensation known as ________, which is due to conflicting sensory inputs from receptors located in muscles and tendons, the eyes, and the vestibular apparatus.

Accepted Answer

The answer of It is common for people who are...

Exam 12: Sensory Mechanisms

Each of the following statements about cones is TRUE, EXCEPT which one?

The vestibule contains two fluid-filled chambers, called the utricle and saccule, which are alike in that

The loudness (intensity) of a sound is specifically associated with the

Foods that are potentially toxic or inedible are detected by ________ taste receptors.

Accommodation enabling us to switch from focusing on something nearby to something more distant is accomplished by the ________ muscle.

Both eyes have a blind spot, an area where there are no photoreceptors. When an image is focused on the blind spot, it cannot be "seen."

Pain caused by a heart attack in men is often felt in the left shoulder and left arm. This phenomenon is known as ________ pain.

Pain, especially intense sensations, is unpleasant and sometimes difficult for a person to cope with. The reality though is that pain detection is essential for human survival. Explain how pain detection is necessary for a person's survival.

Mechanoreceptors specifically designed to monitor muscle length are termed

Stronger stimuli activate more receptors and trigger a greater amplitude and speed of action potentials in sensory neurons.

A stronger stimulus results in which one of the following?

Receptors for fast pain

The malleus and incus function to

The passageway that extends from the middle ear to the throat is the ________; this structure equalizes air pressure in the middle ear with atmospheric pressure.

Taste hairs contain chemoreceptors that are specific for specific chemicals or tastants.

Use the figure below to answer the following question. -The structure shown in the figure above is found in which one of the following?

Color blindness usually results from a decrease in the number of

It is common for people who are traveling in cars or planes to experience an unpleasant sensation known as ________, which is due to conflicting sensory inputs from receptors located in muscles and tendons, the eyes, and the vestibular apparatus.

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