What material gives "white matter" its color?
A) Potassium channels B) Depolarizing axons
C) Cell bodies D) Myelinated axons
D
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Faster communication and synchronization are two advantages of
a) chemical synapses b) electrical synapses c) ligand-gated channels d) voltage-gated channels e) mechanically-gated channels
The myelin covering the axon promotes the leakage of ions from an axon, but it promotes conservation of ATP in the neuron
Indicate whether the statement is true or false
Blocking the ________ receptor on helper T lymphocytes may inhibit activation by antigen presenting cells.
A. MHC B. CD4 C. IL-6 D. CD25
Blood flows to the brain through the _____ arteries and away from the brain through the _____ vein
a) internal carotid and vertebral; internal jugular
b) external carotid and vertebral; external jugular
c) internal jugular and vertebral; internal carotid
d) internal carotid and axillary; internal jugular
e) external jugular and axillary; external jugular