Question 1

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

Accepted Answer

The tympanic membrane vibrates when soun

Question 2

____________________ is the bending of light rays as they pass from one medium to another.

Accepted Answer

The answer of ____________________ is the bending of light rays...

Question 3

Which of the following statements concerning receptor potentials is correct? Receptor potentials

Accepted Answer

A)  are usually depolarizations of receptors in response to adequate stimuli. 
B)  are graded potentials. 
C)  occur in neuronal cell bodies upon summation of pre synaptic input. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  are usually depolarizations of receptors in response to adequate stimuli. 
B)  are graded potentials. 
C)  occur in neuronal cell bodies upon summation of pre synaptic input. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 4

Rods

Accepted Answer

A)  are more sensitive to light than cones. 
B)  have low acuity. 
C)  provide vision in shades of gray. 
D)  have both low acuity and provide vision in shades of gray. 
E)  all of these answers. 
A)  are more sensitive to light than cones. 
B)  have low acuity. 
C)  provide vision in shades of gray. 
D)  have both low acuity and provide vision in shades of gray. 
E)  all of these answers.

Question 5

Phasic receptors

Accepted Answer

A)  exhibit an "off-response." 
B)  signal a change in stimulus intensity. 
C)  are rapidly adapting receptors. 
D)  all of these answers. 
E)  none of these answers. 
A)  exhibit an "off-response." 
B)  signal a change in stimulus intensity. 
C)  are rapidly adapting receptors. 
D)  all of these answers. 
E)  none of these answers.

Question 6

Presbyopia is characterized by

Accepted Answer

A)  the lack of a cone type. 
B)  pronounced visual difficulty in the early teenage years. 
C)  a reduction in accommodative ability as a result of a loss of lens elasticity. 
D)  retinal damage. 
E)  excessive refractive power in the lens system of the eye. 
A)  the lack of a cone type. 
B)  pronounced visual difficulty in the early teenage years. 
C)  a reduction in accommodative ability as a result of a loss of lens elasticity. 
D)  retinal damage. 
E)  excessive refractive power in the lens system of the eye.

Question 7

Match the following eye disorder with its description.
-stiffened lens

Accepted Answer

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

Question 8

At the optic chiasm, the fibers in the lateral half of each optic nerve cross over.

Accepted Answer

A) True 
 B)False

Question 9

Indicate the characteristics associated with each part of the ear using the answer code below (more than one answer may apply):
-Contains the organ of Corti whose hair cells are bent during vibration of the basilar membrane.

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 10

A generator potential in a receptor begins with the influx of ____________________ ions into the cell.

Accepted Answer

The answer of A generator potential in a receptor begins...

Question 11

Match the following characteristics with the correct sensory system
-Information processed by temporal lobe

Accepted Answer

A) pain 
B) vision 
C) hearing 
D) motion/equilibrium 
E) taste
F)smell 
A) pain 
B) vision 
C) hearing 
D) motion/equilibrium 
E) taste
F)smell

Question 12

Natural analgesia occurs

Accepted Answer

A)  when endogenous opiates bind to P-substance. 
B)  when endogenous opiates bind to receptors on afferent pain fibers. 
C)  when acute pain fibers are activated 
D)  both (a) and (b) above. 
E)  both (b) and (c) above. 
A)  when endogenous opiates bind to P-substance. 
B)  when endogenous opiates bind to receptors on afferent pain fibers. 
C)  when acute pain fibers are activated 
D)  both (a) and (b) above. 
E)  both (b) and (c) above.

Question 13

Indicate the characteristics associated with each part of the ear using the answer code below (more than one answer may apply):
-Is part of the vestibular apparatus.

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 14

Nociceptors adapt slowly to pain.

Accepted Answer

A) True 
 B)False

Question 15

Indicate the characteristics associated with each part of the ear using the answer code below (more than one answer may apply):
-Contains receptive 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 16

Match the following characteristics with the correct sensory system
-Slowly adapting receptors provide protective functions

Accepted Answer

A) pain 
B) vision 
C) hearing 
D) motion/equilibrium 
E) taste
F)smell 
A) pain 
B) vision 
C) hearing 
D) motion/equilibrium 
E) taste
F)smell

Question 17

Which one of the following is not involved in sending the vibrational signal to the inner ear?

Accepted Answer

A)  external auditory meatus. 
B)  Eustachian tube. 
C)  malleus. 
D)  stapes. 
E)  tympanum. 
A)  external auditory meatus. 
B)  Eustachian tube. 
C)  malleus. 
D)  stapes. 
E)  tympanum.

Question 18

Indicate the properties of rods and cones using the following answer code:
-confer vision in shades of gray

Accepted Answer

A) rods 
B) cones 
C) both rods and cones 
A) rods 
B) cones 
C) both rods and cones

Question 19

Indicate the properties of rods and cones using the following answer code:
-much convergence in pathway

Accepted Answer

A) rods 
B) cones 
C) both rods and cones 
A) rods 
B) cones 
C) both rods and cones

Question 20

As light passes from one medium to a medium of a different density

Accepted Answer

A)  it is refracted. 
B)  it bends at specific angles. 
C)  it changes wavelengths. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  it is refracted. 
B)  it bends at specific angles. 
C)  it changes wavelengths. 
D)  both (a) and (b) above. 
E)  all of these answers.

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

____________________ is the bending of light rays as they pass from one medium to another.

Which of the following statements concerning receptor potentials is correct? Receptor potentials

Rods

Phasic receptors

Presbyopia is characterized by

Match the following eye disorder with its description. -stiffened lens

At the optic chiasm, the fibers in the lateral half of each optic nerve cross over.

Indicate the characteristics associated with each part of the ear using the answer code below (more than one answer may apply): -Contains the organ of Corti whose hair cells are bent during vibration of the basilar membrane.

A generator potential in a receptor begins with the influx of ____________________ ions into the cell.

Match the following characteristics with the correct sensory system -Information processed by temporal lobe

Natural analgesia occurs

Indicate the characteristics associated with each part of the ear using the answer code below (more than one answer may apply): -Is part of the vestibular apparatus.

Nociceptors adapt slowly to pain.

Indicate the characteristics associated with each part of the ear using the answer code below (more than one answer may apply): -Contains receptive hair cells.

Match the following characteristics with the correct sensory system -Slowly adapting receptors provide protective functions

Which one of the following is not involved in sending the vibrational signal to the inner ear?

Indicate the properties of rods and cones using the following answer code: -confer vision in shades of gray

Indicate the properties of rods and cones using the following answer code: -much convergence in pathway

As light passes from one medium to a medium of a different density

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

Exam 6: The Peripheral Nervous System: Afferent Division and Special Senses

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

____________________ is the bending of light rays as they pass from one medium to another.

Which of the following statements concerning receptor potentials is correct? Receptor potentials

Rods

Phasic receptors

Presbyopia is characterized by

Match the following eye disorder with its description. -stiffened lens

At the optic chiasm, the fibers in the lateral half of each optic nerve cross over.

Indicate the characteristics associated with each part of the ear using the answer code below (more than one answer may apply): -Contains the organ of Corti whose hair cells are bent during vibration of the basilar membrane.

A generator potential in a receptor begins with the influx of ____________________ ions into the cell.

Match the following characteristics with the correct sensory system -Information processed by temporal lobe

Natural analgesia occurs

Indicate the characteristics associated with each part of the ear using the answer code below (more than one answer may apply): -Is part of the vestibular apparatus.

Nociceptors adapt slowly to pain.

Indicate the characteristics associated with each part of the ear using the answer code below (more than one answer may apply): -Contains receptive hair cells.

Match the following characteristics with the correct sensory system -Slowly adapting receptors provide protective functions

Which one of the following is not involved in sending the vibrational signal to the inner ear?

Indicate the properties of rods and cones using the following answer code: -confer vision in shades of gray

Indicate the properties of rods and cones using the following answer code: -much convergence in pathway

As light passes from one medium to a medium of a different density

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters