Biology, Eighth Edition (Raven)

Chapter 43: The Animal Body and Principles of Regulation

Post Test

Which of the following is an example of an organ system? (p .852)
A)heart, cardiac muscle cell, cardiac muscle
B)heart, cardiac muscle, blood
C)heart, blood, blood vessels
D)blood vessels, blood
E)heart, lungs, blood vessels
What characteristics would you predict epithelial cells lining kidney tubules to have? (p. 855)
A)very thin, to aid in the diffusion of substances
B)thick with many cilia
C)rich in specific transport channels
D)thick and mucus-secreting
During the development of connective tissue, which type of cells produce and secrete the extracellular matrix? (p. 856)
A)stem cells
How does the body control the overall strength of skeletal muscle contractions? (p. 858)
A)by varying the rate of nerve impulses
B)by stimulating different numbers of muscle fibers
C)by rapid firing of motor neurons
D)by varying the amount of neurotransmitters released
E)by antagonistic interactions between muscle cells
Neuroglia cells: (p. 860)
A)transmit nerve impulses.
B)are only found in the central nervous system.
C)are only found in the peripheral nervous system.
D)are associated with axons and form an insulated covering.
E)form ganglia.
Which organ systems are involved in the functions of regulation and maintenance? (p. 861)
A)endocrine, circulatory, urinary, respiratory
B)immune, endocrine, sensory, circulatory
C)digestive, circulatory, urinary, respiratory
D)circulatory, urinary, respiratory, reproductive
E)circulatory, endocrine, respiratory
What are antagonistic effectors? (p. 865)
A)errors in nerve impulses
B)different effectors that have opposing actions
C)different effectors that have reinforcing actions
D)effectors that work in a sequence
E)only occur in the musculoskeletal system
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