Astrocytes can be excited by changes in intracellular Ca2+ concentration.
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Q51: The membrane of resting nerve cells is
Q52: Gliotransmitters
A)include calcium ions.
B)can stimulate neurons.
C)form the blood-brain
Q53: Blocking _ channels would prevent neuron depolarization.
A)K+
B)Cl-
C)Na+
D)Mg2+
Q54: The blood-brain barrier prevents hydrophobic molecules from
Q55: The average resting membrane potential of a
Q57: Nerve cells depolarize due to the influx
Q58: Which of the following is NOT a
Q59: The blood-brain barrier results mostly from the
Q60: All cells have a membrane potential.
Q61: As the intensity of a stimulus increases,more
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