Question 1

The choroid

Accepted Answer

A)  contains rods and cones 
B)  is a fluid within the eye 
C)  is also known as the blind spot 
D)  is the middle layer of the eye 
E)  refracts light rays 
A)  contains rods and cones 
B)  is a fluid within the eye 
C)  is also known as the blind spot 
D)  is the middle layer of the eye 
E)  refracts light rays

Question 2

Complete each of the following statments.
Moving air through the eustachian tube equalizes air pressure on the ____________________.

Accepted Answer

The answer of Complete each of the following statments.
Moving air...

Question 3

Rods

Accepted Answer

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

Question 4

Which of the following receptors are rapidly adapting?

Accepted Answer

A)  proprioceptors 
B)  nociceptors 
C)  Pacinian corpuscles 
D)  muscle receptors 
E)  all of these 
A)  proprioceptors 
B)  nociceptors 
C)  Pacinian corpuscles 
D)  muscle receptors 
E)  all of these

Question 5

Which one of the following is an anterior specialization of the choroid layer?

Accepted Answer

A)  aqueous humor 
B)  ciliary body 
C)  cornea 
D)  lens 
E)  retina 
A)  aqueous humor 
B)  ciliary body 
C)  cornea 
D)  lens 
E)  retina

Question 6

The slow pain pathway is activated by

Accepted Answer

A)  stimulation of mechanical or thermal nociceptors 
B)  stimulation of polymodal nociceptors 
C)  bradykinin 
D)  stimulation of mechanical or thermal nociceptors and bradykinin 
E)  stimulation of polymodal nociceptors and bradykinin 
A)  stimulation of mechanical or thermal nociceptors 
B)  stimulation of polymodal nociceptors 
C)  bradykinin 
D)  stimulation of mechanical or thermal nociceptors and bradykinin 
E)  stimulation of polymodal nociceptors and bradykinin

Question 7

Color vision

Accepted Answer

A)  is perceived in the optic chiasma but is interpreted in the primary visual cortex 
B)  depends on the three cone types' various ratios of stimulation in response to different wavelengths of light 
C)  is usually lost in vitamin A deficiency 
D)  depends on activation of a specific cone for each visible color 
E)  is made possible by convergence within the cone pathways 
A)  is perceived in the optic chiasma but is interpreted in the primary visual cortex 
B)  depends on the three cone types' various ratios of stimulation in response to different wavelengths of light 
C)  is usually lost in vitamin A deficiency 
D)  depends on activation of a specific cone for each visible color 
E)  is made possible by convergence within the cone pathways

Question 8

The function of the eustachian tube is to provide a drainage path for the fluid in the middle ear.

Accepted Answer

A) True 
 B)False

Question 9

The utricle is

Accepted Answer

A)  an otolith organ 
B)  activated when a person bends the head to look down at the ground 
C)  activated when a person starts to walk 
D)  an otolith organ, activated when a person starts to walk 
E)  all of these 
A)  an otolith organ 
B)  activated when a person bends the head to look down at the ground 
C)  activated when a person starts to walk 
D)  an otolith organ, activated when a person starts to walk 
E)  all of these

Question 10

Each cone contains three different photopigments for selectively responding to red, blue, or green wavelengths of light.

Accepted Answer

A) True 
 B)False

Question 11

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 12

Diplopia is another name for double vision.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following statements concerning cones is not correct?

Accepted Answer

A)  Cones are used for day vision. 
B)  Cones are very sensitive to light. 
C)  Cones exhibit high acuity. 
D)  Cones are concentrated in the fovea. 
E)  Cones provide color vision. 
A)  Cones are used for day vision. 
B)  Cones are very sensitive to light. 
C)  Cones exhibit high acuity. 
D)  Cones are concentrated in the fovea. 
E)  Cones provide color vision.

Question 14

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)  more than one of these 
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)  more than one of these

Question 15

Complete each of the following statments.
Each sensory neuron responds to stimulus information within its ____________________, which is a circumscribed region of the skin surface surrounding it.

Accepted Answer

The answer of Complete each of the following statments.
Each sensory...

Question 16

The stapes is attached to the round window.

Accepted Answer

A) True 
 B)False

Question 17

The oval window

Accepted Answer

A)  attaches to the malleus 
B)  transfers the sound wave from the vestibule to the cochlea 
C)  is reflexively tightened in response to loud sounds to diminish transmission of these sounds to the inner ear 
D)  attaches to the malleus and is reflexively tightened in response to loud sounds to diminish transmission of these sounds to the inner ear 
E)  none of these 
A)  attaches to the malleus 
B)  transfers the sound wave from the vestibule to the cochlea 
C)  is reflexively tightened in response to loud sounds to diminish transmission of these sounds to the inner ear 
D)  attaches to the malleus and is reflexively tightened in response to loud sounds to diminish transmission of these sounds to the inner ear 
E)  none of these

Question 18

Coding of sensory information may result from

Accepted Answer

A)  intensity of the stimuli 
B)  location of the stimuli 
C)  stimulus modality 
D)  all of these 
E)  none of these 
A)  intensity of the stimuli 
B)  location of the stimuli 
C)  stimulus modality 
D)  all of these 
E)  none of these

Question 19

Select the incorrect association:

Accepted Answer

A)  chemoreceptor/oxygen concentration 
B)  mechanoreceptor/skeletal muscle stretch 
C)  nociceptor/solute concentration 
D)  photoreceptor/light 
E)  thermoreceptor/heat and cold 
A)  chemoreceptor/oxygen concentration 
B)  mechanoreceptor/skeletal muscle stretch 
C)  nociceptor/solute concentration 
D)  photoreceptor/light 
E)  thermoreceptor/heat and cold

Question 20

In the retina, photoreceptor cells do not release neurotransmitter onto ganglion cells.

Accepted Answer

A) True 
 B)False

Exam 6: A--The Peripheral Nervous System: Afferent Division; Special Senses

The choroid

Complete each of the following statments. Moving air through the eustachian tube equalizes air pressure on the ____________________.

Rods

Which of the following receptors are rapidly adapting?

Which one of the following is an anterior specialization of the choroid layer?

The slow pain pathway is activated by

Color vision

The function of the eustachian tube is to provide a drainage path for the fluid in the middle ear.

The utricle is

Each cone contains three different photopigments for selectively responding to red, blue, or green wavelengths of light.

The conversion of stimuli into neuron potentials

Diplopia is another name for double vision.

Which of the following statements concerning cones is not correct?

Cones

Complete each of the following statments. Each sensory neuron responds to stimulus information within its ____________________, which is a circumscribed region of the skin surface surrounding it.

The stapes is attached to the round window.

The oval window

Coding of sensory information may result from

Select the incorrect association:

In the retina, photoreceptor cells do not release neurotransmitter onto ganglion cells.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

Filters