Question 1

Match the ganglion cell response to the location of the light stimulus.
-Diffuse light illuminates both center and surround of on-center cell.

Accepted Answer

A) fully excited 
B) fully inhibited 
C) weak response 
A) fully excited 
B) fully inhibited 
C) weak response

Question 2

Which of the following would be an adequate stimulus for a chemoreceptor?

Accepted Answer

A)  oxygen 
B)  cell stretch 
C)  photon of light 
D)  cold temperature 
E)  vibration 
A)  oxygen 
B)  cell stretch 
C)  photon of light 
D)  cold temperature 
E)  vibration

Question 3

There are ________ primary taste (gustation)sensations.

Accepted Answer

A)  2 
B)  4 
C)  5 
D)  20 
E)  400 
A)  2 
B)  4 
C)  5 
D)  20 
E)  400

Question 4

The following steps occur in rods when they are excited by a photon of light.Place them in the correct sequence.
1)Membrane sodium channels close.
2)cGMP is broken down.
3)The membrane hyperpolarizes and the rate of neurotransmitter release declines.
4)Transducin is activated.
5)Opsin is activated.

Accepted Answer

A)  1, 5, 2, 4, 3 
B)  5, 4, 2, 1, 3 
C)  3, 5, 2, 1, 4 
D)  4, 5, 2, 1, 3 
E)  1, 3, 4, 5, 2 
A)  1, 5, 2, 4, 3 
B)  5, 4, 2, 1, 3 
C)  3, 5, 2, 1, 4 
D)  4, 5, 2, 1, 3 
E)  1, 3, 4, 5, 2

Question 5

Damage to the fovea of the eye would interfere with the ability to

Accepted Answer

A)  focus an image. 
B)  regulate the amount of light striking the retina. 
C)  detect objects in the periphery of ones field of vision. 
D)  detect the detailed image of objects in the middle of ones field of vision. 
E)  detect color images. 
A)  focus an image. 
B)  regulate the amount of light striking the retina. 
C)  detect objects in the periphery of ones field of vision. 
D)  detect the detailed image of objects in the middle of ones field of vision. 
E)  detect color images.

Question 6

________ receptors respond to damaging heat as well as capsaicin (chili peppers).

Accepted Answer

Vallinoid (transient

Question 7

Match the ganglion cell response to the location of the light stimulus.
-Light only shines on the surround of an on-surround visual field.

Accepted Answer

A) fully excited 
B) fully inhibited 
C) weak response 
A) fully excited 
B) fully inhibited 
C) weak response

Question 8

Match the symptoms to the problem.
-central hearing loss

Accepted Answer

A) damage to the cerebral cortex 
B) degeneration of hair cells 
C) ringing in the ears 
D) dizziness and nausea 
E) problems with structures of the middle ear 
A) damage to the cerebral cortex 
B) degeneration of hair cells 
C) ringing in the ears 
D) dizziness and nausea 
E) problems with structures of the middle ear

Question 9

Create a concept map explaining the basic structure and function of sensory systems,starting with a receptor cell and ending with the primary sensory cortex.Be sure to include the general properties such as receptive fields,stimulus location,and so on.Consider each sensory system in turn and identify exceptions to your basic map,indicating how they are different.

Accepted Answer

Results will vary.This is discussed in "

Question 10

Opening a Na+ channel in a non-neural sensory receptor cell would cause that cell to

Accepted Answer

A)  depolarize. 
B)  hyperpolarize. 
C)  generate an action potential. 
D)  decrease neurotransmitter release. 
A)  depolarize. 
B)  hyperpolarize. 
C)  generate an action potential. 
D)  decrease neurotransmitter release.

Question 11

If a person's cornea is flatter than normal,this person is

Accepted Answer

A)  presbyopic. 
B)  myopic. 
C)  hyperopic. 
D)  hypopic. 
E)  astigmatic. 
A)  presbyopic. 
B)  myopic. 
C)  hyperopic. 
D)  hypopic. 
E)  astigmatic.

Question 12

The brain's association of activation of a receptor with the perception of a particular sensation is called ________.

Accepted Answer

The answer of The brain's association of activation of a...

Question 13

Endolymph is a unique fluid in the cochlear duct that contains more ________ and less ________ than the typical extracellular fluid.

Accepted Answer

The answer of Endolymph is a unique fluid in the...

Question 14

Gustatory cells that respond to sour via release of serotonin are called

Accepted Answer

A)  type I taste cells. 
B)  type II taste cells. 
C)  type III taste cells. 
D)  basal taste cells. 
A)  type I taste cells. 
B)  type II taste cells. 
C)  type III taste cells. 
D)  basal taste cells.

Question 15

Which of the following cells is NOT localized to the retina?

Accepted Answer

A)  rods 
B)  vertical 
C)  bipolar 
D)  cones 
E)  amacrine 
A)  rods 
B)  vertical 
C)  bipolar 
D)  cones 
E)  amacrine

Question 16

Which two sensory systems contain structures called maculae?

Accepted Answer

A)  gustatory and olfactory 
B)  olfactory and auditory 
C)  auditory and vestibular 
D)  vestibular and visual 
E)  visual and somatosensory 
A)  gustatory and olfactory 
B)  olfactory and auditory 
C)  auditory and vestibular 
D)  vestibular and visual 
E)  visual and somatosensory

Question 17

A structure that allows the middle ear to communicate with the nasopharynx is the

Accepted Answer

A)  pinna. 
B)  membranous labyrinth. 
C)  bony labyrinth. 
D)  eustachian tube. 
E)  auditory meatus. 
A)  pinna. 
B)  membranous labyrinth. 
C)  bony labyrinth. 
D)  eustachian tube. 
E)  auditory meatus.

Question 18

The larger the receptive field,the

Accepted Answer

A)  stronger the stimulus intensity required to activate a sensory receptor. 
B)  more primary sensory neurons synapse on a secondary sensory neuron. 
C)  fewer primary sensory neurons are involved. 
D)  larger the area of the somatosensory cortex in the brain that perceives the sensation. 
A)  stronger the stimulus intensity required to activate a sensory receptor. 
B)  more primary sensory neurons synapse on a secondary sensory neuron. 
C)  fewer primary sensory neurons are involved. 
D)  larger the area of the somatosensory cortex in the brain that perceives the sensation.

Question 19

A ________ is a single energy packet of visible light.

Accepted Answer

The answer of A ________ is a single energy packet...

Question 20

With the photoreceptor already stimulated with a moderate light intensity,a(n)________ in light intensity is required to open more sodium channels.

Accepted Answer

decrease (

Exam 10: Sensory Physiology

Match the ganglion cell response to the location of the light stimulus. -Diffuse light illuminates both center and surround of on-center cell.

Which of the following would be an adequate stimulus for a chemoreceptor?

There are ________ primary taste (gustation)sensations.

The following steps occur in rods when they are excited by a photon of light.Place them in the correct sequence. 1)Membrane sodium channels close. 2)cGMP is broken down. 3)The membrane hyperpolarizes and the rate of neurotransmitter release declines. 4)Transducin is activated. 5)Opsin is activated.

Damage to the fovea of the eye would interfere with the ability to

________ receptors respond to damaging heat as well as capsaicin (chili peppers).

Match the ganglion cell response to the location of the light stimulus. -Light only shines on the surround of an on-surround visual field.

Match the symptoms to the problem. -central hearing loss

Opening a Na+ channel in a non-neural sensory receptor cell would cause that cell to

If a person's cornea is flatter than normal,this person is

The brain's association of activation of a receptor with the perception of a particular sensation is called ________.

Endolymph is a unique fluid in the cochlear duct that contains more ________ and less ________ than the typical extracellular fluid.

Gustatory cells that respond to sour via release of serotonin are called

Which of the following cells is NOT localized to the retina?

Which two sensory systems contain structures called maculae?

A structure that allows the middle ear to communicate with the nasopharynx is the

The larger the receptive field,the

A ________ is a single energy packet of visible light.

With the photoreceptor already stimulated with a moderate light intensity,a(n)________ in light intensity is required to open more sodium channels.

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

Filters

Opening a Na⁺ channel in a non-neural sensory receptor cell would cause that cell to

Endolymph is a unique fluid in the cochlear duct that contains more and less than the typical extracellular fluid.