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SA 2
15 cards·by mgordon
A neuron has a resting potential of about _____ millivolts.
–70
An action potential moves along a(n)
Axon
At rest, which of these plays a role in establishing the charge differential across a neuron's
plasma membrane?
sodium-potassium pump moving sodium ions out of the neuron and potassium ions into the neuron
The transmission of a nerve impulse first triggers the
opening of voltage-gated sodium channels and the diffusion of sodium ions into the neuron
Which of these causes the release of neurotransmitter molecules?
an action potential reaching the end of the axon
The space between an axon of one neuron and the dendrite of another neuron is called a(n)
synaptic cleft
Neurons store neurotransmitter molecules in vesicles located within
synaptic terminals
The cells that carry electric signals from one part of the body to another in the nervous system
are
neurons
In a chemical synapse, what is the name of the gap between the sending and receiving cells?
synaptic cleft
Which, if any, of the following types of personal characteristics are based in the cerebral
cortex
reasoning abilities, artistic talents, and personality traits
Which part of the brain is associated with conscious thought, memory, and personality?
Cerebral cortex
Which part of the brain functions as a relay station for information to the limbic system and
the cerebral cortex?
Thalamus
Which of the following was supported by the terrible accident that happened to Phineas Gage?
The frontal lobes are associated with personality.
Which of the following is part of the central nervous system (CNS)
spinal cord
The parasympathetic division of the nervous system is part of the
autonomic nervous system component of the peripheral nervous system