Question 1

__________ are the receptors that are probably most numerous and active in the body.

Accepted Answer

A)  Proprioceptors 
B)  Nociceptors 
C)  Chemoreceptors 
D)  Mechanoreceptors 
E)  Electroreceptors 
A)  Proprioceptors 
B)  Nociceptors 
C)  Chemoreceptors 
D)  Mechanoreceptors 
E)  Electroreceptors

Question 2

The retina contains light sensitive cells.
____________________

Accepted Answer

A) True 
 B)False

Question 3

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

Accepted Answer

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

Question 4

Which three types of proprioceptors will be stimulated when you are riding a bicycle?

Accepted Answer

A)  muscle spindles, mechanoreceptors, and thermoreceptors 
B)  mechanoreceptors, interoceptors, and lateral line organs 
C)  muscle spindles, Golgi tendon organs, and joint receptors 
D)  lateral line organs, Golgi tendon organs, and mechanoreceptors 
E)  interoceptors, joint receptors, and lateral line organs 
A)  muscle spindles, mechanoreceptors, and thermoreceptors 
B)  mechanoreceptors, interoceptors, and lateral line organs 
C)  muscle spindles, Golgi tendon organs, and joint receptors 
D)  lateral line organs, Golgi tendon organs, and mechanoreceptors 
E)  interoceptors, joint receptors, and lateral line organs

Question 5

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 6

The vestibular canal and the tympanic canal are filled with endolymph.
____________________

Accepted Answer

A) True 
 B)False

Question 7

MATCHING
Match the sense organ with its description.
a.ear
f.proprioreceptor
b.eye
g.semicircular canal
c.lateral line organ
h.tongue
d.nocioreceptor
i.utricle/saccule
e.nose
-pain receptor

Accepted Answer

The answer of MATCHING
Match the sense organ with its description.
a.ear
f.proprioreceptor
b.eye
g.semicircular...

Question 8

Since all action potentials are essentially the same, how can one differentiate visual and auditory stimuli?

Accepted Answer

A)  The amplitude of each action potential is characteristic of the specific neuron transmitting it to the brain. 
B)  The length of time each stimulus takes to travel to the brain for interpretation varies. 
C)  Receptor potentials are graded. 
D)  Each type of sensory receptor transmits its stimulus to a specific area of the brain for interpretation. 
E)  The frequency of action potentials is characteristic of the specific neuron. 
A)  The amplitude of each action potential is characteristic of the specific neuron transmitting it to the brain. 
B)  The length of time each stimulus takes to travel to the brain for interpretation varies. 
C)  Receptor potentials are graded. 
D)  Each type of sensory receptor transmits its stimulus to a specific area of the brain for interpretation. 
E)  The frequency of action potentials is characteristic of the specific neuron.

Question 9

Which of the following statements about taste is false?

Accepted Answer

A)  Taste receptors activate second messengers in the signal transduction process. 
B)  Genetics play a role in determining what a person tastes. 
C)  Taste receptors only detect chemicals that have been dissolved in saliva. 
D)  Smell affects flavor because odors pass from the mouth to the nasal cavity. 
E)  If taste receptors are damaged, they are incapable of regeneration. 
A)  Taste receptors activate second messengers in the signal transduction process. 
B)  Genetics play a role in determining what a person tastes. 
C)  Taste receptors only detect chemicals that have been dissolved in saliva. 
D)  Smell affects flavor because odors pass from the mouth to the nasal cavity. 
E)  If taste receptors are damaged, they are incapable of regeneration.

Question 10

Figure 43-4
Use the figure to answer the corresponding question(s).  
-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 11

A vertebrate hair cell usually contains one long stereocilium.
____________________

Accepted Answer

A) True 
 B)False

Exam 43: Sensory Systems

__________ are the receptors that are probably most numerous and active in the body.

The retina contains light sensitive cells. ____________________

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

Which three types of proprioceptors will be stimulated when you are riding a bicycle?

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

The vestibular canal and the tympanic canal are filled with endolymph. ____________________

MATCHING Match the sense organ with its description. a.ear f.proprioreceptor b.eye g.semicircular canal c.lateral line organ h.tongue d.nocioreceptor i.utricle/saccule e.nose -pain receptor

Since all action potentials are essentially the same, how can one differentiate visual and auditory stimuli?

Which of the following statements about taste is false?

Figure 43-4 Use the figure to answer the corresponding question(s). -The structure found in the nose of mammals that can detect pheromones is called the __________.

A vertebrate hair cell usually contains one long stereocilium. ____________________

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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

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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