Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Which of the following is not a function of astrocytes?
provide the defense for the CNS
The nodes of Ranvier are found only on myelinated, peripheral neuron processes.
False
Which result of the stimulus applied is the likely cause of the response observed in the left graph?
opening of gated Na+ channels
What major ion currents occur at the point along the action potential phase labeled D?
diffusion of K+ out of the axon through gated ion channels
A second nerve impulse cannot be generated until ________.
the membrane potential has been reestablished
In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? The interior is ________.
negatively charged and contains less sodium
Strong stimuli cause the amplitude of action potentials generated to increase.
False
What event is depicted in the structure labeled A?
movement of Ca2+ into the interior of the axonal terminus through voltage-gated channels
Opening K+ or Cl- channels in a postsynaptic membrane would produce an inhibitory postsynaptic potential (IPSP).
True
An inhibitory postsynaptic potential (IPSP) is associated with ________.
hyperpolarization