Question 1

Cones are responsible for:

Accepted Answer

A)  night vision. 
B)  the detection of movement. 
C)  dim light vision. 
D)  peripheral vision. 
E)  the perception of fine detail. 
A)  night vision. 
B)  the detection of movement. 
C)  dim light vision. 
D)  peripheral vision. 
E)  the perception of fine detail. E

Question 2

Which of the following correctly describes the order of events that occur when you touch a very hot surface?
1) action potential in sensory neuron
2) sensory receptor absorbs energy from stimulus
3) receptor potential produced
4) stimulus is transduced into electrical energy

Accepted Answer

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

Question 3

Some migratory birds utilize electromagnetic receptors to navigate. 
____________________

Accepted Answer

A) True 
 B)False  True

Question 4

Identify the correct order of structures in the vertebrate eye through which incoming light passes before the impulse travels to the brain.
1) aqueous fluid
2) cornea
3) lens
4) optic nerve
5) photoreceptors
6) vitreous body

Accepted Answer

A)  3 → 6 → 2 → 1 → 5 → 4 
B)  1 → 3 → 2 → 6 → 4 → 5 
C)  2 → 6 → 3 → 1 → 4 → 5 
D)  2 → 1 → 3 → 6 → 5 → 4 
E)  3 → 5 → 1 → 6 → 2 → 4 
A)  3 → 6 → 2 → 1 → 5 → 4 
B)  1 → 3 → 2 → 6 → 4 → 5 
C)  2 → 6 → 3 → 1 → 4 → 5 
D)  2 → 1 → 3 → 6 → 5 → 4 
E)  3 → 5 → 1 → 6 → 2 → 4

Question 5

A(n) interoceptor is located within a body organ. 
____________________

Accepted Answer

A) True 
 B)False

Question 6

What is one characteristic of sensory receptors?

Accepted Answer

A)  Sensory receptors consist of the endings of efferent neurons. 
B)  Sensory receptors detect changes in the external or internal environment. 
C)  Several sensory organs make up a sensory receptor. 
D)  Sensory receptors produce small amounts of energy on a continual basis. 
E)  Sensory receptors detect changes in the external but not the internal environment. 
A)  Sensory receptors consist of the endings of efferent neurons. 
B)  Sensory receptors detect changes in the external or internal environment. 
C)  Several sensory organs make up a sensory receptor. 
D)  Sensory receptors produce small amounts of energy on a continual basis. 
E)  Sensory receptors detect changes in the external but not the internal environment.

Question 7

When an earthworm is underground, which type of receptors will relay information on directional movement?

Accepted Answer

A)  lateral line organs 
B)  otoliths 
C)  cristae 
D)  stereocilia 
E)  statocysts 
A)  lateral line organs 
B)  otoliths 
C)  cristae 
D)  stereocilia 
E)  statocysts

Question 8

Figure 43-4   Refer to the accompanying figure. Which label designates a bipolar cell?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  6 
A)  2 
B)  3 
C)  4 
D)  5 
E)  6

Question 9

Damage to which type of sensory receptor would lead to an impaired detection of food?

Accepted Answer

A)  mechanoreceptors 
B)  proprioceptors 
C)  thermoreceptors 
D)  exteroceptors 
E)  interoceptors 
A)  mechanoreceptors 
B)  proprioceptors 
C)  thermoreceptors 
D)  exteroceptors 
E)  interoceptors

Question 10

Meissner corpuscles are sensitive to deep pressure in the skin. 
____________________

Accepted Answer

A) True 
 B)False

Question 11

To prevent a shipwreck, submarines determine where objects are positioned under water using sonar, sound waves. This method of detection is similar to a(n):

Accepted Answer

A)  snake using thermoreceptors to locate its prey. 
B)  shark using lateral line receptors to locate its prey. 
C)  frog using mating calls to locate a female. 
D)  earthworm being able to determine its position underground using a statocyst. 
E)  bat using echolocation to hunt prey. 
A)  snake using thermoreceptors to locate its prey. 
B)  shark using lateral line receptors to locate its prey. 
C)  frog using mating calls to locate a female. 
D)  earthworm being able to determine its position underground using a statocyst. 
E)  bat using echolocation to hunt prey.

Question 12

An individual born without Pacinian corpuscles will not :

Accepted Answer

A)  sense stretching of the skin. 
B)  sense heat from a burning match. 
C)  feel pain. 
D)  sense surface vibrations easily. 
E)  sense heavy pressure quickly. 
A)  sense stretching of the skin. 
B)  sense heat from a burning match. 
C)  feel pain. 
D)  sense surface vibrations easily. 
E)  sense heavy pressure quickly.

Question 13

The brain can infer the pitch of a sound from the:

Accepted Answer

A)  number of hair cells that are stimulated. 
B)  particular hair cells that are stimulated. 
C)  intensity with which the hair cells are stimulated. 
D)  intensity of the action potential produced by the stimulated hair cells. 
E)  fluid movements of the semicircular canals. 
A)  number of hair cells that are stimulated. 
B)  particular hair cells that are stimulated. 
C)  intensity with which the hair cells are stimulated. 
D)  intensity of the action potential produced by the stimulated hair cells. 
E)  fluid movements of the semicircular canals.

Question 14

The structure found in the nose of mammals that can detect pheromones is called the ____.

Accepted Answer

A)  pheronasal detector 
B)  nasopharynx 
C)  vomeronasal organ 
D)  olfactory mucosa 
E)  olfactory receptor ganglia 
A)  pheronasal detector 
B)  nasopharynx 
C)  vomeronasal organ 
D)  olfactory mucosa 
E)  olfactory receptor ganglia

Question 15

Trace the path of a sound wave beginning from its entry into the ear to its transmission to the brain.

Accepted Answer

Concepts to Consider: Sound waves pass t

Question 16

Which animal(s) are likely relying on their electromagnetic receptors?

Accepted Answer

A)  A snake attacking its prey 
B)  A dog smelling a neighbor grilling a steak 
C)  A mosquito landing on a human's arm 
D)  A flatworm sensing a flash of light 
E)  A flock of birds migrating to the Southern Hemisphere 
A)  A snake attacking its prey 
B)  A dog smelling a neighbor grilling a steak 
C)  A mosquito landing on a human's arm 
D)  A flatworm sensing a flash of light 
E)  A flock of birds migrating to the Southern Hemisphere

Question 17

The retina contains light sensitive cells. 
____________________

Accepted Answer

A) True 
 B)False

Question 18

Figure 43-3   In the accompanying figure, the vestibular canal is labeled as:

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  7 
E)  8 
A)  1 
B)  2 
C)  3 
D)  7 
E)  8

Question 19

Figure 43-1   Refer to the accompanying figure with the lateral line organs of fishe s . The structures indicated by label 2 are:

Accepted Answer

A)  hair cells. 
B)  cupula. 
C)  stereocilia. 
D)  sensory neurons. 
E)  supporting cells. 
A)  hair cells. 
B)  cupula. 
C)  stereocilia. 
D)  sensory neurons. 
E)  supporting cells.

Question 20

Which touch receptors of the skin are sensitive to deep pressure?

Accepted Answer

A)  Pacinian corpuscles 
B)  Meissner corpuscles 
C)  Merkel disks 
D)  free nerve endings 
E)  Ruffini corpuscles 
A)  Pacinian corpuscles 
B)  Meissner corpuscles 
C)  Merkel disks 
D)  free nerve endings 
E)  Ruffini corpuscles

Exam 43: Sensory Systems

Cones are responsible for:

Which of the following correctly describes the order of events that occur when you touch a very hot surface? 1) action potential in sensory neuron 2) sensory receptor absorbs energy from stimulus 3) receptor potential produced 4) stimulus is transduced into electrical energy

Some migratory birds utilize electromagnetic receptors to navigate. ____________________

Identify the correct order of structures in the vertebrate eye through which incoming light passes before the impulse travels to the brain. 1) aqueous fluid 2) cornea 3) lens 4) optic nerve 5) photoreceptors 6) vitreous body

A(n) interoceptor is located within a body organ. ____________________

What is one characteristic of sensory receptors?

When an earthworm is underground, which type of receptors will relay information on directional movement?

Figure 43-4 Refer to the accompanying figure. Which label designates a bipolar cell?

Damage to which type of sensory receptor would lead to an impaired detection of food?

Meissner corpuscles are sensitive to deep pressure in the skin. ____________________

To prevent a shipwreck, submarines determine where objects are positioned under water using sonar, sound waves. This method of detection is similar to a(n):

An individual born without Pacinian corpuscles will not :

The brain can infer the pitch of a sound from the:

The structure found in the nose of mammals that can detect pheromones is called the ____.

Trace the path of a sound wave beginning from its entry into the ear to its transmission to the brain.

Which animal(s) are likely relying on their electromagnetic receptors?

The retina contains light sensitive cells. ____________________

Figure 43-3 In the accompanying figure, the vestibular canal is labeled as:

Figure 43-1 Refer to the accompanying figure with the lateral line organs of fishe s . The structures indicated by label 2 are:

Which touch receptors of the skin are sensitive to deep pressure?

A View of Life

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Photosynthesis Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure Growth and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Protection Support and Movement

Neural Signaling

Neural Regulation

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The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

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Introduction to Ecology Population Ecology

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Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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