A threshold stimulus is the
A) depolarization necessary to cause an action potential.
B) peak of an action potential.
C) hyperpolarization of an axon.
D) resting membrane potential.
E) electrical current that crosses the synaptic cleft.
A
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A collection of nerve cell bodies within the central nervous system is a:
a. ganglion b. nucleus c. tract d. plexus
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a. plasma membranes b. lipofuscin c. cholesterol
Edema results when the amount of ___________ fluid increases
A. interstitial B. intracellular C. plasma D. cerebrospinal E. synovial