Question 1

The middle layer of the retina contains

Accepted Answer

A) bipolar neurons 
B) convex cells 
C) ganglion cells 
D) hair cells 
E) rods and cones 
A) bipolar neurons 
B) convex cells 
C) ganglion cells 
D) hair cells 
E) rods and cones

Question 2

Unlike the visual pathways, auditory signals from each ear are transmitted to both hemispheres.

Accepted Answer

A) True 
 B)False

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

The Pacinian corpuscle is mainly sensitive to temperature changes.

Accepted Answer

A) True 
 B)False

Question 5

During accommodation for near vision,

Accepted Answer

A) the ciliary muscle moves away from the lens 
B) the lens becomes stronger 
C) the suspensory ligaments become more taut 
D) both a and b occur 
E) both b and c occur 
A) the ciliary muscle moves away from the lens 
B) the lens becomes stronger 
C) the suspensory ligaments become more taut 
D) both a and b occur 
E) both b and c occur

Question 6

Match the receptor below to its function.
a.tonic receptor
b.phasic receptor
c.specialized receptor ending of afferent neuron
d.separate cell serving as a receptor
-Generates action potentials in afferent neuron without opening messenger-gated channels

Accepted Answer

The answer of Match the receptor below to its function.
a.tonic...

Question 7

Depth perception comes about in large part because of binocular vision.

Accepted Answer

A) True 
 B)False

Question 8

Photoreceptors, bipolar cells, and ganglion cells all transmit action potentials.

Accepted Answer

A) True 
 B)False

Question 9

Identify sites where only graded potentials can occur.

Accepted Answer

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

Question 10

Vitamin A deficiency causes

Accepted Answer

A) poor night vision 
B) poor color vision 
C) color blindness 
D) presbyopia 
E) both a and d 
A) poor night vision 
B) poor color vision 
C) color blindness 
D) presbyopia 
E) both a and d

Question 11

Identify the incorrect statement about cones in the retina:

Accepted Answer

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

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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
-Connected with throat via eustachian tube

Accepted Answer

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

Question 14

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 15

Light must pass through several layers of retinal cells before reaching rods and cones.

Accepted Answer

A) True 
 B)False

Question 16

Indicate the properties associated with each type of nociceptor by using the answer code below:
a.mechanical nociceptor
b.thermal nociceptor
c.polymodal nociceptor
d.mechanical nociceptor and thermal nociceptor
-Responds to cutting, crushing, pinching

Accepted Answer

The answer of Indicate the properties associated with each type...

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

The greater the curvature of a lens, the greater its ability to refract light rays.

Accepted Answer

A) True 
 B)False

Question 19

Endorphins and enkephalins

Accepted Answer

A) are endogenous morphine-like substances 
B) are important in the body's natural analgesic system 
C) stimulate the release of substance P by binding with opiate receptors 
D) exhibit both a and b characteristics 
E) exhibit both a and c characteristics 
A) are endogenous morphine-like substances 
B) are important in the body's natural analgesic system 
C) stimulate the release of substance P by binding with opiate receptors 
D) exhibit both a and b characteristics 
E) exhibit both a and c characteristics

Question 20

The amplitude of sound waves is interpreted as the pitch of the sound.

Accepted Answer

A) True 
 B)False

The middle layer of the retina contains

Unlike the visual pathways, auditory signals from each ear are transmitted to both hemispheres.

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

The Pacinian corpuscle is mainly sensitive to temperature changes.

During accommodation for near vision,

Match the receptor below to its function. a.tonic receptor b.phasic receptor c.specialized receptor ending of afferent neuron d.separate cell serving as a receptor -Generates action potentials in afferent neuron without opening messenger-gated channels

Depth perception comes about in large part because of binocular vision.

Photoreceptors, bipolar cells, and ganglion cells all transmit action potentials.

Identify sites where only graded potentials can occur.

Vitamin A deficiency causes

Identify the incorrect statement about cones in the retina:

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

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

Light must pass through several layers of retinal cells before reaching rods and cones.

Indicate the properties associated with each type of nociceptor by using the answer code below: a.mechanical nociceptor b.thermal nociceptor c.polymodal nociceptor d.mechanical nociceptor and thermal nociceptor -Responds to cutting, crushing, pinching

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

The greater the curvature of a lens, the greater its ability to refract light rays.

Endorphins and enkephalins

The amplitude of sound waves is interpreted as the pitch of the sound.

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

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

The middle layer of the retina contains

Unlike the visual pathways, auditory signals from each ear are transmitted to both hemispheres.

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

The Pacinian corpuscle is mainly sensitive to temperature changes.

During accommodation for near vision,

Match the receptor below to its function. a.tonic receptor b.phasic receptor c.specialized receptor ending of afferent neuron d.separate cell serving as a receptor -Generates action potentials in afferent neuron without opening messenger-gated channels

Depth perception comes about in large part because of binocular vision.

Photoreceptors, bipolar cells, and ganglion cells all transmit action potentials.

Identify sites where only graded potentials can occur.

Vitamin A deficiency causes

Identify the incorrect statement about cones in the retina:

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

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

Light must pass through several layers of retinal cells before reaching rods and cones.

Indicate the properties associated with each type of nociceptor by using the answer code below: a.mechanical nociceptor b.thermal nociceptor c.polymodal nociceptor d.mechanical nociceptor and thermal nociceptor -Responds to cutting, crushing, pinching

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

The greater the curvature of a lens, the greater its ability to refract light rays.

Endorphins and enkephalins

The amplitude of sound waves is interpreted as the pitch of the sound.

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