Aphasia Exam 1 Study Guide QUESTIONS AND CORRECT ANSWERS

Aphasia Exam 1 Study Guide ACTUAL
QUESTIONS AND CORRECT ANSWERS
Structural and Functional unit of the nervous system - CORRECT ANSWERS
Neuron


Extension coming out from the cell that collects and transmits electrical impulse
toward the cell body - CORRECT ANSWERS Dendrites


Extension from cell body that transmits impulses away from the cell body -
CORRECT ANSWERS Axon


Surrounded by a membrane which nutrients enter and wastes can be shed -
CORRECT ANSWERS Cell Body


What is also known as the soma? - CORRECT ANSWERS Cell body


Ending of a neuron - CORRECT ANSWERS Axon Terminal


a fatty coating on the axons that speeds signals between neurons - CORRECT
ANSWERS Myelin Sheath


T/F: Neurons can be myelinated or non-myelinated - CORRECT ANSWERS
True


T/F: Myelinated neurons have a slower neural transmission - CORRECT
ANSWERS False

, Spots on the axon through which the neural transmission occurs - CORRECT
ANSWERS Nodes of ranvier


Name the parts of the neuron - CORRECT ANSWERS


Communication between two or more neurons - CORRECT ANSWERS
Synapse


Neuron sending the signal to the next neuron - CORRECT ANSWERS
Presynaptic neuron


Neuron receiving the signal from the neighboring neuron - CORRECT
ANSWERS Postsynaptic neuron


A chemical substance released by the neurons - CORRECT ANSWERS
Neurotransmitters


What are examples of neurotransmitters? - CORRECT ANSWERS
Dopamine, Serotonin, Acetylcholine, Adrenaline, Norepinephrine


The ending of a neuron - CORRECT ANSWERS Axon terminal


Tiny pockets along the axon that hold the neurotransmittors near the end of the
axon - CORRECT ANSWERS Synaptic vesicles


The gap between the axon terminal of one neuron and the dendrite of the
neighboring neuron - CORRECT ANSWERS Synaptic cleft