PSYC 2000 LSU Exam 1 (ch. 2) UPDATED
ACTUAL Exam Questions and CORRECT
Answers
branch-like structures that receive messages from other neurons - CORRECT ANSWER -
dendrites
the cell body of the neuron, responsible for maintaining the life of the cell - CORRECT
ANSWER - soma
long, tube like structure that carries the neural message to other cells - CORRECT
ANSWER - axon
little knobs at the end of the axon - CORRECT ANSWER - axon terminals
the basic cell that makes up the nervous system and receives and sends messages within that
system - CORRECT ANSWER - neuron
cells that provide support for the neurons to grow on and around - CORRECT ANSWER -
glial cells
deliver nutrients to the neurons and produce myelin to coat axons - CORRECT
ANSWER - glial cells
fatty substance produced by certain glial cells that coat the axons of neurons - CORRECT
ANSWER - myelin
insulates, protects, and speeds up the neural impulse - CORRECT ANSWER - myelin
, signals within one neuron - CORRECT ANSWER - electrical
signals between two neurons - CORRECT ANSWER - chemical
controls cell and helps it survive - CORRECT ANSWER - nucleus
part of the nervous system consisting of the brain and spinal chord - CORRECT
ANSWER - central nervous system
long bundle of neurons that a carries messages and is responsible for very fast, life saving
reflexes - CORRECT ANSWER - spinal chord
all nerves and neurons that are not contained in the brain and spinal chord but that run through
the body itself - CORRECT ANSWER - peripheral nervous system
type of glial cell that runs through the central nervous system - CORRECT ANSWER -
oligodendrocytes
type of glial cell that runs through the peripheral nervous system - CORRECT ANSWER -
schwann cells
regularly spaced gaps in the myelin sheath around an axon or nerve fiber, causes message to
'jump' quickly - CORRECT ANSWER - nodes of ranviner
when sodium ions defuse into the cell - CORRECT ANSWER - depolarization
when potassium ions diffuse out of the cell - CORRECT ANSWER - repolarization
ACTUAL Exam Questions and CORRECT
Answers
branch-like structures that receive messages from other neurons - CORRECT ANSWER -
dendrites
the cell body of the neuron, responsible for maintaining the life of the cell - CORRECT
ANSWER - soma
long, tube like structure that carries the neural message to other cells - CORRECT
ANSWER - axon
little knobs at the end of the axon - CORRECT ANSWER - axon terminals
the basic cell that makes up the nervous system and receives and sends messages within that
system - CORRECT ANSWER - neuron
cells that provide support for the neurons to grow on and around - CORRECT ANSWER -
glial cells
deliver nutrients to the neurons and produce myelin to coat axons - CORRECT
ANSWER - glial cells
fatty substance produced by certain glial cells that coat the axons of neurons - CORRECT
ANSWER - myelin
insulates, protects, and speeds up the neural impulse - CORRECT ANSWER - myelin
, signals within one neuron - CORRECT ANSWER - electrical
signals between two neurons - CORRECT ANSWER - chemical
controls cell and helps it survive - CORRECT ANSWER - nucleus
part of the nervous system consisting of the brain and spinal chord - CORRECT
ANSWER - central nervous system
long bundle of neurons that a carries messages and is responsible for very fast, life saving
reflexes - CORRECT ANSWER - spinal chord
all nerves and neurons that are not contained in the brain and spinal chord but that run through
the body itself - CORRECT ANSWER - peripheral nervous system
type of glial cell that runs through the central nervous system - CORRECT ANSWER -
oligodendrocytes
type of glial cell that runs through the peripheral nervous system - CORRECT ANSWER -
schwann cells
regularly spaced gaps in the myelin sheath around an axon or nerve fiber, causes message to
'jump' quickly - CORRECT ANSWER - nodes of ranviner
when sodium ions defuse into the cell - CORRECT ANSWER - depolarization
when potassium ions diffuse out of the cell - CORRECT ANSWER - repolarization
