Question 1

Using the figure above, identify the structures of the eye.
-Label U represents the ________.

Accepted Answer

A) pupil 
B) vitreous humor 
C) iris 
D) aqueous humor 
E) sclera
F)cornea
G)lens
H)retina
I)choroid 
A) pupil 
B) vitreous humor 
C) iris 
D) aqueous humor 
E) sclera
F)cornea
G)lens
H)retina
I)choroid

Question 2

Receptor adaption occurs when

Accepted Answer

A)  impulse transmission stops at a synapse. 
B)  the brain ignores the incoming action potentials. 
C)  the stimulus stops. 
D)  the sensory neuron stops sending action potentials. 
E)  action potentials from multiple sensory neurons cancel one another. 
A)  impulse transmission stops at a synapse. 
B)  the brain ignores the incoming action potentials. 
C)  the stimulus stops. 
D)  the sensory neuron stops sending action potentials. 
E)  action potentials from multiple sensory neurons cancel one another.

Question 3

Some sensory receptors stop sending action potentials even though the original stimulus persists. This is known as which one of the following?

Accepted Answer

A)  receptor overload 
B)  receptor adaptation 
C)  receptor shutdown 
D)  receptor oversight 
E)  receptor discontinuance 
A)  receptor overload 
B)  receptor adaptation 
C)  receptor shutdown 
D)  receptor oversight 
E)  receptor discontinuance

Question 4

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.

Question 5

Mechanoreceptors include unencapsulated dendritic endings, Merkel disks, Meissner's corpuscles, Pacinian corpuscles, and olfactory receptors.

Accepted Answer

A) True 
 B)False

Question 6

Sound is amplified by components of the middle ear when they vibrate. When one of these components, the stapes, vibrates, the ________ will vibrate.

Accepted Answer

A)  tympanic membrane 
B)  pinna 
C)  oval window 
D)  eustachian tube 
E)  cochlea 
A)  tympanic membrane 
B)  pinna 
C)  oval window 
D)  eustachian tube 
E)  cochlea

Question 7

Match the following types of receptors to their definitions.
-respond to light

Accepted Answer

A) photoreceptors 
B) pain receptors 
C) chemoreceptors 
D) mechanoreceptors 
A) photoreceptors 
B) pain receptors 
C) chemoreceptors 
D) mechanoreceptors

Question 8

Olfactory receptors are located in which one of the following?

Accepted Answer

A)  taste buds 
B)  muscles 
C)  upper part of nasal passages 
D)  skin surrounding nasal openings 
E)  upper regions of mouth 
A)  taste buds 
B)  muscles 
C)  upper part of nasal passages 
D)  skin surrounding nasal openings 
E)  upper regions of mouth

Question 9

The structure of the cochlea that converts pressure waves to nerve impulses is the ________; it is composed of hair cells and a tectorial membrane.

Accepted Answer

The answer of The structure of the cochlea that converts...

Question 10

Using the figure above, identify the structures of the eye.
-Label V represents the ________.

Accepted Answer

A) pupil 
B) vitreous humor 
C) iris 
D) aqueous humor 
E) sclera
F)cornea
G)lens
H)retina
I)choroid 
A) pupil 
B) vitreous humor 
C) iris 
D) aqueous humor 
E) sclera
F)cornea
G)lens
H)retina
I)choroid

Question 11

An insufficient number of particular types of cones causes

Accepted Answer

A)  impaired night vision. 
B)  macular degeneration. 
C)  detachment of the retina. 
D)  impaired color vision. 
E)  glaucoma. 
A)  impaired night vision. 
B)  macular degeneration. 
C)  detachment of the retina. 
D)  impaired color vision. 
E)  glaucoma.

Question 12

Using the figure above, identify the structures of the eye.
-Label X represents the ________.

Accepted Answer

A) pupil 
B) vitreous humor 
C) iris 
D) aqueous humor 
E) sclera
F)cornea
G)lens
H)retina
I)choroid 
A) pupil 
B) vitreous humor 
C) iris 
D) aqueous humor 
E) sclera
F)cornea
G)lens
H)retina
I)choroid

Question 13

Hearing loss resulting from damage to the tympanic membrane or the bones of the middle ear is known as ________ deafness.

Accepted Answer

The answer of Hearing loss resulting from damage to the...

Question 14

Slow pain originating from an internal organ is often perceived as coming from an area of the body totally unrelated to the source. This is known as

Accepted Answer

A)  delayed perception. 
B)  threshold propagation. 
C)  indirect tolerance. 
D)  "shooting" pain. 
E)  referred pain. 
A)  delayed perception. 
B)  threshold propagation. 
C)  indirect tolerance. 
D)  "shooting" pain. 
E)  referred pain.

Question 15

Match each of the following disorders associated with sensory mechanisms with its description.
-distant objects appear out of focus because the eyeball is longer than normal; also known as nearsightedness

Accepted Answer

A) otitis media 
B) astigmatism 
C) myopia 
D) Ménière's syndrome 
E) glaucoma
F)presbyopia
G)cataracts 
A) otitis media 
B) astigmatism 
C) myopia 
D) Ménière's syndrome 
E) glaucoma
F)presbyopia
G)cataracts

Question 16

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...

Question 17

Using the figure above, match the structures of a taste bud with the regions (A-D) identified on the figure.
-supporting cell

Accepted Answer

A) D 
B) A 
C) C 
D) B 
A) D 
B) A 
C) C 
D) B

Question 18

Using the figure above, identify the structures of the eye.
-Label Z represents the ________.

Accepted Answer

A) pupil 
B) vitreous humor 
C) iris 
D) aqueous humor 
E) sclera
F)cornea
G)lens
H)retina
I)choroid 
A) pupil 
B) vitreous humor 
C) iris 
D) aqueous humor 
E) sclera
F)cornea
G)lens
H)retina
I)choroid

Question 19

Match each of the following disorders associated with sensory mechanisms with its description.
-condition caused by blockage of the canal of Schlemm; increased amount of aqueous humor causes increased pressure in the eye; may lead to blindness

Accepted Answer

A) otitis media 
B) astigmatism 
C) myopia 
D) Ménière's syndrome 
E) glaucoma
F)presbyopia
G)cataracts 
A) otitis media 
B) astigmatism 
C) myopia 
D) Ménière's syndrome 
E) glaucoma
F)presbyopia
G)cataracts

Question 20

Deafness in humans can have many causes. One form of deafness is caused by damage to hair cells. Explain how damaged hair cells can result in deafness.

Accepted Answer

Hair cells are located in the inner ear

Exam 12: Sensory Mechanisms

Using the figure above, identify the structures of the eye. -Label U represents the ________.

Receptor adaption occurs when

Some sensory receptors stop sending action potentials even though the original stimulus persists. This is known as which one of the following?

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

Mechanoreceptors include unencapsulated dendritic endings, Merkel disks, Meissner's corpuscles, Pacinian corpuscles, and olfactory receptors.

Sound is amplified by components of the middle ear when they vibrate. When one of these components, the stapes, vibrates, the ________ will vibrate.

Match the following types of receptors to their definitions. -respond to light

Olfactory receptors are located in which one of the following?

The structure of the cochlea that converts pressure waves to nerve impulses is the ________; it is composed of hair cells and a tectorial membrane.

Using the figure above, identify the structures of the eye. -Label V represents the ________.

An insufficient number of particular types of cones causes

Using the figure above, identify the structures of the eye. -Label X represents the ________.

Hearing loss resulting from damage to the tympanic membrane or the bones of the middle ear is known as ________ deafness.

Slow pain originating from an internal organ is often perceived as coming from an area of the body totally unrelated to the source. This is known as

Match each of the following disorders associated with sensory mechanisms with its description. -distant objects appear out of focus because the eyeball is longer than normal; also known as nearsightedness

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.

Using the figure above, match the structures of a taste bud with the regions (A-D) identified on the figure. -supporting cell

Using the figure above, identify the structures of the eye. -Label Z represents the ________.

Match each of the following disorders associated with sensory mechanisms with its description. -condition caused by blockage of the canal of Schlemm; increased amount of aqueous humor causes increased pressure in the eye; may lead to blindness

Deafness in humans can have many causes. One form of deafness is caused by damage to hair cells. Explain how damaged hair cells can result in deafness.

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