CHAPTER 12 QUESTIONS &
ANSWERS
Identify the letter that indicates the region of a neuron with a name that means "little
hill." - ANSWERB
Identify the letter that indicates the region of a neuron where neurotransmitters are
released. - ANSWERE
Identify the letter that indicates a Schwann cell. - ANSWERC
Identify which diagram represents a microglial cell. - ANSWERC
Identify which diagram represents a cell that produces a myelin sheath in the central
nervous system. - ANSWERE
Identify which letter represents the most abundant category of glial cells in the CNS. -
ANSWERB
This tends to be the longest cytoplasmic projection from a neuron. - ANSWERAxon
Chemical signals diffuse between neurons at this location. - ANSWERSynapse
An axosomatic synapse occurs between the axon terminals of one neuron and the
________ of a proximal neuron. - ANSWERCell Body
This region of the neuron contains a single nucleus surrounded by cytoplasm. -
ANSWERCell Body
A node of Ranvier (myelin sheath gap)
is one segment of the myelin sheath.
occurs in the PNS but not in the CNS.
is a bare region of axonal membrane in myelinated axons only.
occurs only in ganglia. - ANSWERis a bare region of axonal membrane in myelinated
axons only.
The covering of a fascicle within a nerve is the - ANSWERperineurium
Vesicles containing neurotransmitters are located in - ANSWERAxon Terminals
Gray matter in the CNS contains all of the following except
neuron cell bodies.