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The cytoplasmic extensions that, together with the cell body, provide the
main receptive surfaces for neurons are
a. Neurofibrils
b. Chromatophilic substances (nissl bodies)
c. Axons
d. Dendrites - ✔✔d. Dendrites
The two types of cells of the nervous system are
,a. Axons and dendrites
b. Neurons and neuroglia
c. Motor neurons and sensory neurons
d. Schwann cells and microglia - ✔✔b. Neurons and neuroglia
The functional connection between two neurons is a(n):
a. Dendrite
b. Gap junction
c. Axon terminal
d. Neurotransmitter - ✔✔c. Axon terminal
The nervous system:
a. Detects changes in the internal or external environment
,b. Controls the movement of muscles
c. Integrates info from several sources and uses it determine an
appropriate response
d. all of the above - ✔✔d. all of the above
Neurons that conduct impulses from the CNS to muscles or glands are:
a. Sensory neurons
b. Interneurons
c. Motor neurons
d. Unipolar neurons - ✔✔c. Motor neurons
How many dendrites can a neuron have?
, a. One
b. Two
c. Many
d. All of the above are possible dendrite numbers - ✔✔d. All of the
above are possible dendrite numbers
The nervous system is in charge of:
a. Detecting changes
b. Decision-making
c. Stimulating muscles
d. All of the above - ✔✔d. All of the above
Masses of myelinated nerve fibers appear in:
a. White matter