Q: A nerve cell carrying information from your eyes, ears, fingers, etc. toward the CNS is called a(n)

(a) :  motor neuron.
(b) :  effector cell.
(c) :  connector neuron.
(d) :  sensory neuron.
(e) :  None of the Above
Answer:  sensory neuron.

Q: The soma is the part of the nerve cell that

(a) :  serves as a specialized receiving area for information.
(b) :  collects and combines incoming information.
(c) :  carries nerve impulses over large distances.
(d) :  forms branching connections at the end of each axon.
(e) :  None of the Above
Answer:  collects and combines incoming information.

Q: The channels that transport sodium and potassium within the axon are called

(a) :  DNA and RNA channels.
(b) :  membrane channels.
(c) :  neurons channels.
(d) :  ion channels.
(e) :  None of the Above
Answer:  ion channels.

Q: Electrically charged particles of the elements __________ are crucial in the transmission of the nerve impulse.

(a) :  iron and sodium
(b) :  iron and potassium
(c) :  sodium and nickel
(d) :  sodium and potassium
(e) :  None of the Above
Answer:  sodium and potassium

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