Question 1

Which sequence of events below best describes how sensory receptors within the lateral line of many fish provide information about stimulus intensity to the brain?

Accepted Answer

A)  Hyperpolarization leads to a large change in membrane potential, inducing a low frequency of action potentials. 
B)  Hyperpolarization leads to a small change in membrane potential, inducing a high frequency of action potentials. 
C)  Depolarization leads to a large change in membrane potential, inducing a high frequency of action potentials. 
D)  Depolarization leads to a small change in membrane potential, inducing a high frequency of action potentials. 
A)  Hyperpolarization leads to a large change in membrane potential, inducing a low frequency of action potentials. 
B)  Hyperpolarization leads to a small change in membrane potential, inducing a high frequency of action potentials. 
C)  Depolarization leads to a large change in membrane potential, inducing a high frequency of action potentials. 
D)  Depolarization leads to a small change in membrane potential, inducing a high frequency of action potentials.

Question 2

Mechanoreceptors that react to changes in pressure are part of the

Accepted Answer

A)  human sense of smell. 
B)  lateral line systems in fish. 
C)  human sense of taste. 
D)  pain receptors in birds. 
E)  eyes in arthropods. 
A)  human sense of smell. 
B)  lateral line systems in fish. 
C)  human sense of taste. 
D)  pain receptors in birds. 
E)  eyes in arthropods.

Question 3

What do sharks use the ampullae of Lorenzini for?

Accepted Answer

A)  mechanoreception 
B)  magnetoreception 
C)  electroreception 
D)  photoreception 
E)  thermoreception 
A)  mechanoreception 
B)  magnetoreception 
C)  electroreception 
D)  photoreception 
E)  thermoreception

Exam 44: Animal Sensory Systems

Which sequence of events below best describes how sensory receptors within the lateral line of many fish provide information about stimulus intensity to the brain?

Mechanoreceptors that react to changes in pressure are part of the

What do sharks use the ampullae of Lorenzini for?

Biology and the Tree of Life

Water and Carbon: the Chemical Basis of Life

Protein Structure and Function

Nucleic Acids and the Rna World

An Introduction to Carbohydrates

Lipids, Membranes, and the First Cells

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Control of Gene Expression in Eukaryotes

The Molecular Revolution: Biotechnology and Beyond

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