PSY200- CHAPTER 3 NERVOUS SYSYTEM AND BRAIN Questions and Answers (100% Correct Answers)

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PSY200- CHAPTER 3 NERVOUS SYSYTEM AND
BRAIN Questions and Answers (100% Correct
Answers)
NEURONS
Ans: Cells in the nervous system that communicate with one another to perform
information-processing tasks

CELL BODY (SOMA)
Ans: The part of a neuron that coordinates information-processing tasks and keeps
the cell alive.

DENDRITE
Ans: The part of a neuron that receives information from other neurons and relays it
to the cell body.

AXON
Ans: The part of a neuron that carries information to other neurons, muscles, or
glands.

SYNAPSE
Ans: The junction or region between the axon of one neuron and the dendrites or
cell body of another.

MYELIN SHEATH
Ans: An insulating layer of fatty material.

GLIAL CELLS
Ans: Support cells found in the nervous system

SENSORY NEURONS
Ans: Neurons that receive information from the external world and convey this
information to the brain via the spinal cord.

MOTOR NEURONS
Ans: Neurons that carry signals from the spinal cord to the muscles to produce
movement.

INTERNEURONS
Ans: Neurons that connect sensory neurons, motor neurons, or other interneurons.

RESTING POTENTIAL
Ans: The difference in electric charge between the inside and outside of a neuron's
cell membrane.