Question 1

Figure 43-2
Use the figure to answer the corresponding question(s).  
-Which statement concerning gravity detection in humans is true?

Accepted Answer

A)  Statoliths are pulled down by gravity, stimulating hair cells of the statocysts. 
B)  Otoliths are pulled down by gravity onto stereocilia, stimulating nerve impulses. 
C)  Gravity moves the cupula, causing hair cells of the lateral line organs to bend. 
D)  Gravity pulls on the hair cells of the basilar membrane, stimulating nerve impulses. 
E)  Gravity moves perilymph over the hair cells of the tectorial membrane. 
A)  Statoliths are pulled down by gravity, stimulating hair cells of the statocysts. 
B)  Otoliths are pulled down by gravity onto stereocilia, stimulating nerve impulses. 
C)  Gravity moves the cupula, causing hair cells of the lateral line organs to bend. 
D)  Gravity pulls on the hair cells of the basilar membrane, stimulating nerve impulses. 
E)  Gravity moves perilymph over the hair cells of the tectorial membrane.

Question 2

Describe the five main types of connecting neurons in the retina and their functions.

Accepted Answer

Concepts to Consider: 1) Photoreceptors-

Question 3

As the result of a genetic mutation, the individuals in a population of mice eat so much that their stomachs burst.Which of the following statements provides the best explanation for why this happened?

Accepted Answer

A)  The mice were unable to taste the food and so they ate more than a normal amount. 
B)  The mice were given a high protein meal and protein is not digested in the stomach. 
C)  The mechanoreceptors of the stomach were either absent or not functioning. 
D)  The animals were born without proprioceptors. 
E)  The chemoreceptors did not detect the presence of food in the stomach. 
A)  The mice were unable to taste the food and so they ate more than a normal amount. 
B)  The mice were given a high protein meal and protein is not digested in the stomach. 
C)  The mechanoreceptors of the stomach were either absent or not functioning. 
D)  The animals were born without proprioceptors. 
E)  The chemoreceptors did not detect the presence of food in the stomach.

Question 4

Invertebrates that have the camera-like eye of vertebrates include the __________.

Accepted Answer

A)  fly 
B)  earthworm 
C)  lobster 
D)  snail 
E)  octopus 
A)  fly 
B)  earthworm 
C)  lobster 
D)  snail 
E)  octopus

Question 5

Figure 43-5
Use the figure to answer the corresponding question(s).  
-Refer to Figure 43-5.Which of the following cells is 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 6

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
-the cochlea is found here

Accepted Answer

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

Question 7

Migratory birds utilize electromagnetic receptors to navigate.
____________________

Accepted Answer

A) True 
 B)False

Question 8

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
-helps determine the position of your head when you're lying down

Accepted Answer

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

Question 9

Which of the following have sensory structures that are structurally similar?

Accepted Answer

A)  lateral line organs and statocysts 
B)  Golgi tendon organs and lateral line organs 
C)  lateral line organs and semicircular canals 
D)  statocysts and Golgi tendon organs 
E)  statocysts and semicircular canals 
A)  lateral line organs and statocysts 
B)  Golgi tendon organs and lateral line organs 
C)  lateral line organs and semicircular canals 
D)  statocysts and Golgi tendon organs 
E)  statocysts and semicircular canals

Question 10

Figure 43-1
Use the figure to answer the corresponding question(s).  
-The membranous labyrinth of the inner ear consists of the:

Accepted Answer

A)  saccule, utricle, and three semicircular canals. 
B)  vestibular canal and oval window. 
C)  cochlea, tympanum, and three bones. 
D)  statoliths and hair cells. 
E)  endolymph, perilymph, and the organ of Corti. 
A)  saccule, utricle, and three semicircular canals. 
B)  vestibular canal and oval window. 
C)  cochlea, tympanum, and three bones. 
D)  statoliths and hair cells. 
E)  endolymph, perilymph, and the organ of Corti.

Question 11

For astronauts to effectively make repairs to the space station they must rely on

Accepted Answer

A)  proprioceptors. 
B)  nociceptors. 
C)  chemoreceptors. 
D)  mechanoreceptors. 
E)  electroreceptors. 
A)  proprioceptors. 
B)  nociceptors. 
C)  chemoreceptors. 
D)  mechanoreceptors. 
E)  electroreceptors.

Question 12

The vitreous body is located between the cornea and the lens.
____________________

Accepted Answer

A) True 
 B)False

Question 13

If tennis players develop calcium deposits in their elbow joint, they will not be able to hit the ball effectively.If musicians develop calcium deposits in their middle ear:

Accepted Answer

A)  they will not be able to detect any sound. 
B)  they will have difficulty maintaining their balance. 
C)  they will not be able to detect linear acceleration. 
D)  they may have difficulty hearing soft sounds. 
E)  they may have difficulty detecting direction when driving a car. 
A)  they will not be able to detect any sound. 
B)  they will have difficulty maintaining their balance. 
C)  they will not be able to detect linear acceleration. 
D)  they may have difficulty hearing soft sounds. 
E)  they may have difficulty detecting direction when driving a car.

Question 14

Compare and contrast the structure and function of the saccule and utricle with that of the semicircular canals with regard to maintaining equilibrium.

Accepted Answer

In mammals, the utricle, saccule, and se

Question 15

An interoceptor is located within a body organ.
____________________

Accepted Answer

A) True 
 B)False

Question 16

Why can an insect eye detect motion better than the human eye?

Accepted Answer

A)  Insects' eyes lack overlapping visual fields, and they are able to gather information from a narrow area. 
B)  Insects have compound eyes that are very good for depth perception and hence detecting movement. 
C)  The multiple ommatidia allow the insect eye to focus more acutely on an image. 
D)  The lens of the insect eye is concaved, which provides better focusing capabilities than the convex lens of the human eye. 
E)  The total range of vision for an insect eye is much narrow than that for a human eye. 
A)  Insects' eyes lack overlapping visual fields, and they are able to gather information from a narrow area. 
B)  Insects have compound eyes that are very good for depth perception and hence detecting movement. 
C)  The multiple ommatidia allow the insect eye to focus more acutely on an image. 
D)  The lens of the insect eye is concaved, which provides better focusing capabilities than the convex lens of the human eye. 
E)  The total range of vision for an insect eye is much narrow than that for a human eye.

Question 17

Which of the following statements concerning sensory receptors is false?

Accepted Answer

A)  They transduce the energy of a stimulus into electrical signals. 
B)  They are specialized neuron endings or specialized cells in close contact with neurons. 
C)  They are the main centers for integrating sensory input. 
D)  They depolarize in response to a stimulus. 
E)  They operate by opening or closing ion channels in the plasma membrane. 
A)  They transduce the energy of a stimulus into electrical signals. 
B)  They are specialized neuron endings or specialized cells in close contact with neurons. 
C)  They are the main centers for integrating sensory input. 
D)  They depolarize in response to a stimulus. 
E)  They operate by opening or closing ion channels in the plasma membrane.

Question 18

Figure 43-5
Use the figure to answer the corresponding question(s).  
-Color vision:

Accepted Answer

A)  is limited to vertebrates. 
B)  depends on blue, green, and red cones in primates. 
C)  is the result of different concentrations of the photopigment rhodopsin. 
D)  results from the integration of responses within the optic nerve. 
E)  depends on four types of cones in mammals other than primates. 
A)  is limited to vertebrates. 
B)  depends on blue, green, and red cones in primates. 
C)  is the result of different concentrations of the photopigment rhodopsin. 
D)  results from the integration of responses within the optic nerve. 
E)  depends on four types of cones in mammals other than primates.

Question 19

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
-helps the body determine which direction the head is turning

Accepted Answer

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

Question 20

What effect would an esterase inhibitor have on vision?

Accepted Answer

A)  Cyclic GMP levels in the rods would remain constant. 
B)  Sodium channels in the rods would close. 
C)  The rods would hyperpolarize. 
D)  The rods would release less glutamate. 
E)  Transducin would not be synthesized. 
A)  Cyclic GMP levels in the rods would remain constant. 
B)  Sodium channels in the rods would close. 
C)  The rods would hyperpolarize. 
D)  The rods would release less glutamate. 
E)  Transducin would not be synthesized.

Exam 43: Sensory Systems

Figure 43-2 Use the figure to answer the corresponding question(s). -Which statement concerning gravity detection in humans is true?

Describe the five main types of connecting neurons in the retina and their functions.

As the result of a genetic mutation, the individuals in a population of mice eat so much that their stomachs burst.Which of the following statements provides the best explanation for why this happened?

Invertebrates that have the camera-like eye of vertebrates include the __________.

Figure 43-5 Use the figure to answer the corresponding question(s). -Refer to Figure 43-5.Which of the following cells is a bipolar cell?

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 -the cochlea is found here

Migratory birds utilize electromagnetic receptors to navigate. ____________________

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 -helps determine the position of your head when you're lying down

Which of the following have sensory structures that are structurally similar?

Figure 43-1 Use the figure to answer the corresponding question(s). -The membranous labyrinth of the inner ear consists of the:

For astronauts to effectively make repairs to the space station they must rely on

The vitreous body is located between the cornea and the lens. ____________________

If tennis players develop calcium deposits in their elbow joint, they will not be able to hit the ball effectively.If musicians develop calcium deposits in their middle ear:

Compare and contrast the structure and function of the saccule and utricle with that of the semicircular canals with regard to maintaining equilibrium.

An interoceptor is located within a body organ. ____________________

Why can an insect eye detect motion better than the human eye?

Which of the following statements concerning sensory receptors is false?

Figure 43-5 Use the figure to answer the corresponding question(s). -Color vision:

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 -helps the body determine which direction the head is turning

What effect would an esterase inhibitor have on vision?

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

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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