Question 1

Transmission of sound through the middle ear results 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 
E) none of the above 
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 
E) none of the above

Question 2

Which letter identifies part of a sensory neuron?

Accepted Answer

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

Question 3

Rhodopsin

Accepted Answer

A) is the photopigment in the red cones 
B) consists of an opsin and retinal 
C) is most highly concentrated in the fovea 
D) is slowly broken down in the absence of light 
E) contains a derivative of vitamin B12 
A) is the photopigment in the red cones 
B) consists of an opsin and retinal 
C) is most highly concentrated in the fovea 
D) is slowly broken down in the absence of light 
E) contains a derivative of vitamin B12

Question 4

The intensity of a stimulus is coded by the ____________________ of the action potentials sent along the related afferent neuron.

Accepted Answer

The answer of The intensity of a stimulus is coded...

Question 5

Match the following receptors to their locations.
a.chemoreceptors
b.mechanoreceptors
c.photoreceptors
-Otolith organs

Accepted Answer

The answer of Match the following receptors to their locations.
a.chemoreceptors
b.mechanoreceptors
c.photoreceptors
-Otolith...

Question 6

Match the following term with its description.
a.timbre
b.pitch
c.intensity
-Measured in cycles per second

Accepted Answer

The answer of Match the following term with its description.
a.timbre
b.pitch
c.intensity
-Measured...

Question 7

The structure labeled 3 is the ____________________, and it connects to the ____________________ and ____________________.

Accepted Answer

stapes, in

Question 8

Proprioception is the awareness of the body's position in space.

Accepted Answer

A) True 
 B)False

Question 9

Rods and cones have a G protein called ____________________.

Accepted Answer

The answer of Rods and cones have a G protein...

Question 10

High- and low-frequency sounds are discriminated chiefly by

Accepted Answer

A) low frequencies producing stronger vibrations 
B) high frequencies producing larger action potentials 
C) the middle ear bones vibrating more vigorously for low frequencies 
D) low frequencies deflecting the basilar membrane at a greater distance from the oval window 
E) low frequencies setting up fluid vibrations in the perilymph 
A) low frequencies producing stronger vibrations 
B) high frequencies producing larger action potentials 
C) the middle ear bones vibrating more vigorously for low frequencies 
D) low frequencies deflecting the basilar membrane at a greater distance from the oval window 
E) low frequencies setting up fluid vibrations in the perilymph

Question 11

Cones

Accepted Answer

A) are most abundant in the periphery of the retina 
B) are more numerous than rods 
C) have high sensitivity to light 
D) are responsible for color vision 
E) exhibit more than one of the above characteristics 
A) are most abundant in the periphery of the retina 
B) are more numerous than rods 
C) have high sensitivity to light 
D) are responsible for color vision 
E) exhibit more than one of the above characteristics

Question 12

Descending analgesic pathways are believed to suppress transmission in the pain pathways as they enter the spinal cord by blocking the release of substance P.

Accepted Answer

A) True 
 B)False

Question 13

Match the following eye disorder with its description.
a.color blindness
b.night blindness
c.glaucoma
d.hyperopia
e.diplopia
f.presbyopia
g.myopia
h.cataract
i.astigmatism
-Corrected by concave lens

Accepted Answer

The answer of Match the following eye disorder with its...

Question 14

Sympathetic stimulation of the iris causes contraction of the radial muscle and thus produces pupil dilation.

Accepted Answer

A) True 
 B)False

Question 15

The slow pain pathway is activated by

Accepted Answer

A) stimulation of mechanical or thermal nociceptors 
B) stimulation of polymodal nociceptors 
C) bradykinin 
D) only a and c 
E) only b and c 
A) stimulation of mechanical or thermal nociceptors 
B) stimulation of polymodal nociceptors 
C) bradykinin 
D) only a and c 
E) only b and c

Question 16

The ____________________ is the region of the retina where rods and cones are absent.

Accepted Answer

blind spot

Question 17

Select the incorrect statement about slow pain.

Accepted Answer

A) It is carried by large, myelinated A-delta fibers. 
B) It is poorly localized. 
C) It occurs by the stimulation of polymodal nociceptors. 
D) It occurs for a longer time than fast pain. 
E) It produces a dull, aching, burning sensation. 
A) It is carried by large, myelinated A-delta fibers. 
B) It is poorly localized. 
C) It occurs by the stimulation of polymodal nociceptors. 
D) It occurs for a longer time than fast pain. 
E) It produces a dull, aching, burning sensation.

Question 18

The conversion of stimuli into neuron potentials

Accepted Answer

A) requires an adequate level of stimulus 
B) is called transduction 
C) stems from generation of receptor potentials 
D) all of these 
E) none of these 
A) requires an adequate level of stimulus 
B) is called transduction 
C) stems from generation of receptor potentials 
D) all of these 
E) none of these

Question 19

Indicate the characteristics associated with each part of the ear using the answer code below:
a.external ear
b.middle ear
c.cochlea
d.semicircular canal
e.utricle and saccule
f.external ear and middle ear
g.cochlea, semicircular canal, utricle and saccule
h.semicircular canal, utricle and saccule
i.cochlea and semicircular canal
-Part of the vestibular apparatus

Accepted Answer

The answer of Indicate the characteristics associated with each part...

Question 20

Light rays travel faster through water or glass than through air.

Accepted Answer

A) True 
 B)False

Transmission of sound through the middle ear results in

Which letter identifies part of a sensory neuron?

Rhodopsin

The intensity of a stimulus is coded by the ____________________ of the action potentials sent along the related afferent neuron.

Match the following receptors to their locations. a.chemoreceptors b.mechanoreceptors c.photoreceptors -Otolith organs

Match the following term with its description. a.timbre b.pitch c.intensity -Measured in cycles per second

The structure labeled 3 is the , and it connects to the and .

Proprioception is the awareness of the body's position in space.

Rods and cones have a G protein called ____________________.

High- and low-frequency sounds are discriminated chiefly by

Cones

Descending analgesic pathways are believed to suppress transmission in the pain pathways as they enter the spinal cord by blocking the release of substance P.

Match the following eye disorder with its description. a.color blindness b.night blindness c.glaucoma d.hyperopia e.diplopia f.presbyopia g.myopia h.cataract i.astigmatism -Corrected by concave lens

Sympathetic stimulation of the iris causes contraction of the radial muscle and thus produces pupil dilation.

The slow pain pathway is activated by

The ____________________ is the region of the retina where rods and cones are absent.

Select the incorrect statement about slow pain.

The conversion of stimuli into neuron potentials

Light rays travel faster through water or glass than through air.

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

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

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

Transmission of sound through the middle ear results in

Which letter identifies part of a sensory neuron?

Rhodopsin

The intensity of a stimulus is coded by the ____________________ of the action potentials sent along the related afferent neuron.

Match the following receptors to their locations. a.chemoreceptors b.mechanoreceptors c.photoreceptors -Otolith organs

Match the following term with its description. a.timbre b.pitch c.intensity -Measured in cycles per second

The structure labeled 3 is the ____________________, and it connects to the ____________________ and ____________________.

Proprioception is the awareness of the body's position in space.

Rods and cones have a G protein called ____________________.

High- and low-frequency sounds are discriminated chiefly by

Cones

Descending analgesic pathways are believed to suppress transmission in the pain pathways as they enter the spinal cord by blocking the release of substance P.

Match the following eye disorder with its description. a.color blindness b.night blindness c.glaucoma d.hyperopia e.diplopia f.presbyopia g.myopia h.cataract i.astigmatism -Corrected by concave lens

Sympathetic stimulation of the iris causes contraction of the radial muscle and thus produces pupil dilation.

The slow pain pathway is activated by

The ____________________ is the region of the retina where rods and cones are absent.

Select the incorrect statement about slow pain.

The conversion of stimuli into neuron potentials

Light rays travel faster through water or glass than through air.

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

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

The structure labeled 3 is the , and it connects to the and .