Question 1

Any stimulus can excite any excitable tissue.

Accepted Answer

A) True 
 B)False

Question 2

Which statement concerning receptors is correct?

Accepted Answer

A)  They respond to various physical or chemical changes in their environment. 
B)  They carry impulses from the CNS. 
C)  They are found at the peripheral endings of efferent neurons. 
D)  They are found only in the somatic nervous system. 
A)  They respond to various physical or chemical changes in their environment. 
B)  They carry impulses from the CNS. 
C)  They are found at the peripheral endings of efferent neurons. 
D)  They are found only in the somatic nervous system.

Question 3

Indicate the proper sequence of involvement in the visual pathway by writing the appropriate letter in the blank using the answer code.
-seventh

Accepted Answer

A) bipolar neurons 
B) optic nerve 
C) lateral geniculate nucleus 
D) rods and cones 
E) visual cortex
F)optic tracts
G)ganglion cells
H)optic radiations 
A) bipolar neurons 
B) optic nerve 
C) lateral geniculate nucleus 
D) rods and cones 
E) visual cortex
F)optic tracts
G)ganglion cells
H)optic radiations

Question 4

Describe the conduction of sound energy and its subsequent transduction into neural stimuli.

Accepted Answer

The answer of Describe the conduction of sound energy and...

Question 5

Indicate the properties associated with each type of nociceptor by using the answer code (options may be used more than once or not at all).
-responds to irritating chemicals

Accepted Answer

A) mechanical nociceptor 
B) thermal nociceptor 
C) polymodal nociceptor 
A) mechanical nociceptor 
B) thermal nociceptor 
C) polymodal nociceptor

Question 6

What happens when there is deflection of the basilar membrane?

Accepted Answer

A)  it activates the receptors of the organ of Corti 
B)  it occurs in response to movements of ossicles 
C)  it results from displacement of the round window 
D)  it results from displacement of tympanic membrane 
A)  it activates the receptors of the organ of Corti 
B)  it occurs in response to movements of ossicles 
C)  it results from displacement of the round window 
D)  it results from displacement of tympanic membrane

Question 7

What is the proper sequence of retinal processing?

Accepted Answer

A)  rods and cones, ganglion cells, bipolar cells 
B)  rods and cones, bipolar cells, ganglion cells 
C)  ganglion cells, bipolar cells, rods and cones 
D)  ganglion cells, rods and cones, bipolar cells 
A)  rods and cones, ganglion cells, bipolar cells 
B)  rods and cones, bipolar cells, ganglion cells 
C)  ganglion cells, bipolar cells, rods and cones 
D)  ganglion cells, rods and cones, bipolar cells

Question 8

Match the following eye disorder with its description by using the following answer code (options may be used more than once or not at all).
-opaque lens

Accepted Answer

A) colour blindness 
B) night blindness 
C) glaucoma 
D) hyperopia 
E) diplopia
F)presbyopia
G)myopia lens
H)cataract
I)astigmatism 
A) colour blindness 
B) night blindness 
C) glaucoma 
D) hyperopia 
E) diplopia
F)presbyopia
G)myopia lens
H)cataract
I)astigmatism

Question 9

What does transmission of sound through the middle ear result in?

Accepted Answer

A)  amplification of the pressure vibrations 
B)  stimulation of middle ear receptor cells 
C)  opening of the eustachian tube 
D)  increased firing rate in sensory axons associated with the tympanic membrane 
A)  amplification of the pressure vibrations 
B)  stimulation of middle ear receptor cells 
C)  opening of the eustachian tube 
D)  increased firing rate in sensory axons associated with the tympanic membrane

Question 10

What helps reduce internal reflection (scattering of light within the eye)?

Accepted Answer

A)  sclera 
B)  choroid 
C)  blind spot 
D)  lens 
A)  sclera 
B)  choroid 
C)  blind spot 
D)  lens

Question 11

Indicate the characteristics associated with each part of the ear by using the answer code (options may be used more than once or not at all).
-contains a cupula,which sways in the direction of endolymph movement,bending the embedded hair cells

Accepted Answer

A) external ear 
B) middle ear 
C) cochlea in the inner ear 
D) semicircular canal in the inner ear 
E) utricle and saccule in the inner ear 
A) external ear 
B) middle ear 
C) cochlea in the inner ear 
D) semicircular canal in the inner ear 
E) utricle and saccule in the inner ear

Question 12

Which statement concerning receptor potentials is correct?

Accepted Answer

A)  They are usually repolarizations of receptors. 
B)  They are graded potentials. 
C)  They occur in neuronal cell bodies upon summation of presynaptic input. 
D)  They self-propagate along the efferent fibres. 
A)  They are usually repolarizations of receptors. 
B)  They are graded potentials. 
C)  They occur in neuronal cell bodies upon summation of presynaptic input. 
D)  They self-propagate along the efferent fibres.

Question 13

What are the various roles of secondary messenger systems in sensory pathways?

Accepted Answer

The answer of What are the various roles of secondary...

Question 14

Indicate the proper sequence of involvement in the visual pathway by writing the appropriate letter in the blank using the answer code.
-first

Accepted Answer

A) bipolar neurons 
B) optic nerve 
C) lateral geniculate nucleus 
D) rods and cones 
E) visual cortex
F)optic tracts
G)ganglion cells
H)optic radiations 
A) bipolar neurons 
B) optic nerve 
C) lateral geniculate nucleus 
D) rods and cones 
E) visual cortex
F)optic tracts
G)ganglion cells
H)optic radiations

Question 15

Which of the following is NOT important for vestibular information?

Accepted Answer

A)  hearing 
B)  maintenance of balance and desired posture 
C)  control of eye movement 
D)  perception of motion and orientation 
A)  hearing 
B)  maintenance of balance and desired posture 
C)  control of eye movement 
D)  perception of motion and orientation

Question 16

The vestibular nuclei provide output important in maintaining balance and posture.

Accepted Answer

A) True 
 B)False

Question 17

__________ are travelling vibrations of air that consist of alternating with regions of low pressure caused by rarefaction of the molecules.

Accepted Answer

The answer of __________ are travelling vibrations of air that...

Question 18

Which statement is correct for the ossicular system of the ear?

Accepted Answer

A)  It serves to keep the pressure on the two sides of the tympanic membrane equal. 
B)  It increases the pressure of vibration as it transfers the sound wave from air in the outer ear to fluid in the inner ear. 
C)  It assists in determining whether a sound comes from the front or rear. 
D)  It is part of the vestibular apparatus. 
A)  It serves to keep the pressure on the two sides of the tympanic membrane equal. 
B)  It increases the pressure of vibration as it transfers the sound wave from air in the outer ear to fluid in the inner ear. 
C)  It assists in determining whether a sound comes from the front or rear. 
D)  It is part of the vestibular apparatus.

Question 19

The curvature of the lens must be adjusted to enable the eye to focus both near and far sources on the retina.

Accepted Answer

A) True 
 B)False

Question 20

Which statement concerning the oval window is correct?

Accepted Answer

A)  It attaches to the malleus. 
B)  It transfers the sound wave from the external ear to the middle ear. 
C)  It is reflexively tightened in response to loud sounds to diminish transmission of these sounds to the inner ear. 
D)  It attaches to the stapes and transfers the sound wave from the middle ear to the inner ear. 
A)  It attaches to the malleus. 
B)  It transfers the sound wave from the external ear to the middle ear. 
C)  It is reflexively tightened in response to loud sounds to diminish transmission of these sounds to the inner ear. 
D)  It attaches to the stapes and transfers the sound wave from the middle ear to the inner ear.

Any stimulus can excite any excitable tissue.

Which statement concerning receptors is correct?

Indicate the proper sequence of involvement in the visual pathway by writing the appropriate letter in the blank using the answer code. -seventh

Describe the conduction of sound energy and its subsequent transduction into neural stimuli.

Indicate the properties associated with each type of nociceptor by using the answer code (options may be used more than once or not at all). -responds to irritating chemicals

What happens when there is deflection of the basilar membrane?

What is the proper sequence of retinal processing?

Match the following eye disorder with its description by using the following answer code (options may be used more than once or not at all). -opaque lens

What does transmission of sound through the middle ear result in?

What helps reduce internal reflection (scattering of light within the eye)?

Indicate the characteristics associated with each part of the ear by using the answer code (options may be used more than once or not at all). -contains a cupula,which sways in the direction of endolymph movement,bending the embedded hair cells

Which statement concerning receptor potentials is correct?

What are the various roles of secondary messenger systems in sensory pathways?

Indicate the proper sequence of involvement in the visual pathway by writing the appropriate letter in the blank using the answer code. -first

Which of the following is NOT important for vestibular information?

The vestibular nuclei provide output important in maintaining balance and posture.

__________ are travelling vibrations of air that consist of alternating with regions of low pressure caused by rarefaction of the molecules.

Which statement is correct for the ossicular system of the ear?

The curvature of the lens must be adjusted to enable the eye to focus both near and far sources on the retina.

Which statement concerning the oval window is correct?

The Foundation of Physiology

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Exam 4: The Peripheral Nervous System

Any stimulus can excite any excitable tissue.

Which statement concerning receptors is correct?

Indicate the proper sequence of involvement in the visual pathway by writing the appropriate letter in the blank using the answer code. -seventh

Describe the conduction of sound energy and its subsequent transduction into neural stimuli.

Indicate the properties associated with each type of nociceptor by using the answer code (options may be used more than once or not at all). -responds to irritating chemicals

What happens when there is deflection of the basilar membrane?

What is the proper sequence of retinal processing?

Match the following eye disorder with its description by using the following answer code (options may be used more than once or not at all). -opaque lens

What does transmission of sound through the middle ear result in?

What helps reduce internal reflection (scattering of light within the eye)?

Indicate the characteristics associated with each part of the ear by using the answer code (options may be used more than once or not at all). -contains a cupula,which sways in the direction of endolymph movement,bending the embedded hair cells

Which statement concerning receptor potentials is correct?

What are the various roles of secondary messenger systems in sensory pathways?

Indicate the proper sequence of involvement in the visual pathway by writing the appropriate letter in the blank using the answer code. -first

Which of the following is NOT important for vestibular information?

The vestibular nuclei provide output important in maintaining balance and posture.

__________ are travelling vibrations of air that consist of alternating with regions of low pressure caused by rarefaction of the molecules.

Which statement is correct for the ossicular system of the ear?

The curvature of the lens must be adjusted to enable the eye to focus both near and far sources on the retina.

Which statement concerning the oval window is correct?

The Foundation of Physiology

Cell Physiology

The Central Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters