Question 1

Free nerve endings,the simplest sensory receptors,respond to all of the following except

Accepted Answer

A)  bending of the sensory neuron membrane.
B)  changes in temperature.
C)  changes in chemicals like oxygen in the extracellular fluid.
D)  smell and hearing changes.
E)  stretching of the sensory neuron membranE.F) A) and B)
G) B) and E)

Question 2

Select the exception in the list of the following animals that are able to use sonar as a form of "lightless vision" to navigate in dark environments.

Accepted Answer

A)  shrews
B)  owls
C)  bats
D)  whales
E)  dolphinsF) D) and E)
G) None of the above

Question 3

__________ sense stimuli that arise from within the body.

Accepted Answer

A)  Nocireceptors
B)  Thermoreceptors
C)  Interoreceptors
D)  Compound ganglia
E)  ExteroreceptorsF) B) and C)
G) C) and D)

Question 4

Several types of mechanoreceptors are present in the skin.Two of the types are called phasic and tonic.Which of the following statements best describes the difference in phasic and tonic receptors?

Accepted Answer

A)  Phasic receptors are located on body surfaces that contain hair.Tonic receptors are located on body surfaces that do not contain hair.
B)  Phasic receptors are located on body surfaces that do not contain hair,such as palms and soles.Tonic receptors are located near the surface of the skin.
C)  Phasic receptors are thermoreceptors that detect cold.Tonic receptors are thermoreceptors that detect heat.
D)  Phasic receptors are a special type of pain receptors located in the skin.Tonic receptors are special types of pain receptors located within the body.
E)  Phasic receptors receive impulses in phases or waves.Tonic receptors receive impulses that are dynamic,in other words ever changing impulses,such as vibrations.F) A) and B)
G) D) and E)

Question 5

The brain interprets sound after which of the following sequential events?
I-As the basilar membrane vibrates,the cilia of the hair cells bend in response to its movement relative to the tectorial membrane,the bending of the cilia depolarizes the hair cells.
II-The hair cells stimulate the production of action potentials in sensory neurons that are projected to the brain.
III-The axons of ganglion cells transmit action potentials to the occipital lobe of the brain.

Accepted Answer

A)  II then I
B)  III then I then II
C)  III then I
D)  I then II
E)  I then II then IIIF) D) and E)
G) A) and E)

Question 6

In the ear,high frequency sounds tend to

Accepted Answer

A)  displace the whole length of the basilar membrane with a maximum near the apex.
B)  move only the basal portion of the basilar membrane.
C)  move only the apex portion of the basilar membrane.
D)  move only the portion of the basilar membrane between the basal portion and the apex.
E)  only move the tectorial membranE.F) A) and E)
G) B) and E)

Question 7

Color blindness is due to an inherited lack of cone receptors.These retinas typically contain

Accepted Answer

A)  one type of cone only.
B)  two types of cones.
C)  three types of cones.
D)  four types of cones.
E)  five types of cones.F) A) and B)
G) A) and C)

Question 8

All of the following are parts of the vertebrate eye except the

Accepted Answer

A)  corneA.
B)  retina.
C)  iris.
D)  cochlea.
E)  pupil.F) A) and D)
G) All of the above

Question 9

Select the incorrectly matched receptor and its function.

Accepted Answer

A)  proprioceptor-sensory stretch receptors in muscles
B)  baroreceptor-pressure receptors in blood vessels
C)  nociceptor-receptors in tissues that transmit impulses to the brain which are interpreted as pain
D)  chemoreceptors-receptors for taste and smell
E)  peripheral chemoreceptors-located in the medulla oblongata are sensitive to pH of the cerebrospinal fluidF) C) and D)
G) A) and B)

Question 10

Choose the letter of the best match from the following:
-Pacinian corpuscle.

Accepted Answer

A)  tonic receptors located near the surface of the skin
B)  pressure sensitive receptors in the subcutaneous layer
C)  receptors located on the face and fingertipsD) B) and C)
E) A) and C)

Question 11

Color vision is possible because of cones in the retina of the eye.There are three types of cones that can be stimulated by light.All other colors are combinations of the colors of three cones.The cone colors are:
I-Red
II-Yellow
III-Orange
IV-Blue
V-Green
VI-Purple

Accepted Answer

A)  I,II,and III
B)  I,III,and IV
C)  I,IV,and V
D)  I,V,and VI
E)  II,IV,and VIF) C) and E)
G) B) and D)

Question 12

The retina of the human eye is composed of three layers of cells.Starting with the layer that is closest to the internal surface of the eyeball,what is the correct order?

Accepted Answer

A)  ganglion cells →\rarr→  bipolar cells  →\rarr→  rods and cones
B)  optic nerve cells  →\rarr→  rods and cones  →\rarr→ 0 bipolar cells
C)  rods and cones  →\rarr→  bipolar cells  →\rarr→  ganglion cells
D)  bipolar cells  →\rarr→  ganglion cells  →\rarr→  rods and cones
E)  rods and cones  →\rarr→  optic nerve cells  →\rarr→  bipolar cells F) A) and B)
G) B) and E)

Question 13

In this figure,where is the main transduction event occurring?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5F) B) and D)
G) D) and E)

Question 14

All of the following statements about the lateral line system in fish are correct except

Accepted Answer

A)  the lateral line system allows fish to sense "objects" by the pressure waves that are produced.
B)  the lateral line system allows fish to sense "objects" by the low-frequency vibrations that are produced.
C)  the lateral line system allows fish to swim in synchrony with a school of other members of its species.
D)  the lateral line system provides the fish with the ability to hear.
E)  the lateral line system allows blind cave fish to sense the water patterns flowing past its body.F) D) and E)
G) A) and C)

Question 15

In this figure,what is the best description for what is occurring?

Accepted Answer

A)  vertebrate hair cell exposed to low frequency
B)  vertebrate photoreceptor exposed to light
C)  invertebrate photoreceptor exposed to light
D)  vertebrate photoreceptor in the dark
E)  invertebrate photoreceptor in the darkF) A) and C)
G) C) and D)

Question 16

The lateral line system provides ________ with a sense of "distant touch," enabling these animals to sense objects that reflect pressure waves and low-frequency vibrations.

Accepted Answer

A)  amphibians
B)  reptiles
C)  birds
D)  mammals
E)  fishF) D) and E)
G) A) and D)

Question 17

Which sense receptor cell directly produces an action potential?

Accepted Answer

A)  hearing
B)  olfactory
C)  equilibrium
D)  vision
E)  touchF) A) and D)
G) A) and E)

Question 18

In the vertebrate eye,the light is focused onto the

Accepted Answer

A)  pupil.
B)  lens.
C)  retina.
D)  sclera.
E)  iris.F) A) and C)
G) All of the above

Question 19

In the vertebrate eye the amount of light reaching the retina is controlled by the

Accepted Answer

A)  foveA.
B)  cornea.
C)  iris.
D)  lens.
E)  sclera.F) D) and E)
G) A) and B)

Question 20

Interoceptors can recognize all of the following stimuli except

Accepted Answer

A)  limb position.
B)  pain.
C)  gravity.
D)  body temperature.
E)  muscle length.F) C) and D)
G) B) and D)

Exam 45: Sensory Systems

In the vertebrate eye the amount of light reaching the retina is controlled by the

Correct Answer
verified

In this figure,what is the best description for what is occurring?

Correct Answer
verified

In the ear,high frequency sounds tend to

Correct Answer
verified

Free nerve endings,the simplest sensory receptors,respond to all of the following except

Correct Answer
verified

In this figure,where is the main transduction event occurring?

Correct Answer
verified

Select the incorrectly matched receptor and its function.

Correct Answer
verified

All of the following statements about the lateral line system in fish are correct except

Correct Answer
verified

Which sense receptor cell directly produces an action potential?

Correct Answer
verified

__________ sense stimuli that arise from within the body.

Correct Answer
verified

Color vision is possible because of cones in the retina of the eye.There are three types of cones that can be stimulated by light.All other colors are combinations of the colors of three cones.The cone colors are: I-Red II-Yellow III-Orange IV-Blue V-Green VI-Purple

Correct Answer
verified

Correct Answer
verified

In the vertebrate eye,the light is focused onto the

Correct Answer
verified

Several types of mechanoreceptors are present in the skin.Two of the types are called phasic and tonic.Which of the following statements best describes the difference in phasic and tonic receptors?

Correct Answer
verified

All of the following are parts of the vertebrate eye except the

Correct Answer
verified

Interoceptors can recognize all of the following stimuli except

Correct Answer
verified

The lateral line system provides ________ with a sense of "distant touch," enabling these animals to sense objects that reflect pressure waves and low-frequency vibrations.

Correct Answer
verified

The retina of the human eye is composed of three layers of cells.Starting with the layer that is closest to the internal surface of the eyeball,what is the correct order?

Correct Answer
verified

Color blindness is due to an inherited lack of cone receptors.These retinas typically contain

Correct Answer
verified

Choose the letter of the best match from the following: -Pacinian corpuscle.

Correct Answer
verified

Select the exception in the list of the following animals that are able to use sonar as a form of "lightless vision" to navigate in dark environments.

Correct Answer
verified

Exam 45: Sensory Systems

In the vertebrate eye the amount of light reaching the retina is controlled by the

Correct AnswerverifiedShow Answer

In this figure,what is the best description for what is occurring?

Correct AnswerverifiedShow Answer

In the ear,high frequency sounds tend to

Correct AnswerverifiedShow Answer

Free nerve endings,the simplest sensory receptors,respond to all of the following except

Correct AnswerverifiedShow Answer

In this figure,where is the main transduction event occurring?

Correct AnswerverifiedShow Answer

Select the incorrectly matched receptor and its function.

Correct AnswerverifiedShow Answer

All of the following statements about the lateral line system in fish are correct except

Correct AnswerverifiedShow Answer

Which sense receptor cell directly produces an action potential?

Correct AnswerverifiedShow Answer

__________ sense stimuli that arise from within the body.

Correct AnswerverifiedShow Answer

Color vision is possible because of cones in the retina of the eye.There are three types of cones that can be stimulated by light.All other colors are combinations of the colors of three cones.The cone colors are: I-Red II-Yellow III-Orange IV-Blue V-Green VI-Purple

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In the vertebrate eye,the light is focused onto the

Correct AnswerverifiedShow Answer

Several types of mechanoreceptors are present in the skin.Two of the types are called phasic and tonic.Which of the following statements best describes the difference in phasic and tonic receptors?

Correct AnswerverifiedShow Answer

All of the following are parts of the vertebrate eye except the

Correct AnswerverifiedShow Answer

Interoceptors can recognize all of the following stimuli except

Correct AnswerverifiedShow Answer

The lateral line system provides ________ with a sense of "distant touch," enabling these animals to sense objects that reflect pressure waves and low-frequency vibrations.

Correct AnswerverifiedShow Answer

The retina of the human eye is composed of three layers of cells.Starting with the layer that is closest to the internal surface of the eyeball,what is the correct order?

Correct AnswerverifiedShow Answer

Color blindness is due to an inherited lack of cone receptors.These retinas typically contain

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Pacinian corpuscle.

Correct AnswerverifiedShow Answer

Select the exception in the list of the following animals that are able to use sonar as a form of "lightless vision" to navigate in dark environments.

Correct AnswerverifiedShow Answer

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