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GENERAL PSYCHOLOGY EXAM #1 QUESTIONS AND ANSWERS
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GENERAL PSYCHOLOGY EXAM #1 QUESTIONS AND ANSWERS
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GENERAL PSYCHOLOGY EXAM #1QUESTIONS AND ANSWERS
Neuroscience - Answer-How the body and brain enable emotions, memories, and
sensory experiences.
Electroencephalogram - Answer-record of brain wave activity made by a
electroencephalograph
Beta wave - Answer-brain wave pattern associated with mental or psychical activity
Alpha Wave - Answer-brain wave associated with deep relaxation
Delta Wave - Answer-brain wave associated with slow wave...deep sleep
Microelectrode - Answer-small wire used to monitor the electrical activity or stimulate
activity within a single neuron
CT Scan - Answer-rotating computerized xray that produces cross sectional images of
the structures of the brain
MRI - Answer-diagnostic scanning technique that produces high resolution images of
the structures of the brain
PET scan - Answer-brain imagining technique that reveals blood flow, oxygen use, and
glucose consumption to reveal activity in various parts of the brain
Functional MRI - Answer-reveals brain structures and brain activity more precisely and
rapidly than a PET scan
Neuron - Answer-Cell that conducts impulses through the nervous system
Neurotransmitter - Answer-chemicals that help carryout the transmission of impulses
from one neuron to the next
Cell Body - Answer-part of neuron that contains the nucleus and carries out the
metabolic functions of the neuron
Dendrites - Answer-the branch like extensions of the cell body that receives signals
from other neurons
Axon - Answer-slender tail like extension of the neuron that transmits signals to other
neurons and then to the muscles, glands, and other parts of the body
, Axon Terminal - Answer-Releases a chemical substance (neurotransmitter) onto
another neuron, muscle cell, or gland
Glial Cells - Answer-Cells in the nervous system that are not neurons but that support,
nourish, and protect neurons
Synapse - Answer-A junction where information is transmitted from one neuron to the
next.
Resting Potential - Answer-negative charge of an axon membrane of a neuron at rest, -
70 mill volts
Myelin Sheath - Answer-A white, fatty covering wrapped around the axons of some
neurons that increases their communication speed.
Receptors - Answer-protein molecules on the surfaces of dendrites and cell bodies that
have distinctive shapes and will interact only with specific neurotransmitters
Reuptake - Answer-process by which neurotransmitters are taken from the synaptic
cleft back into the axon terminal for later use, exterminating their effect on the receiving
neuron
Peripheral Nervous System - Answer-nerves that connect the central nervous system to
the rest of the body
Central Nervous System - Answer-part of the nervous system comprising the brain and
the spinal cord
Sympathetic Nervous System - Answer-the division of the autonomic nervous system
that mobilizes the body's resources during stress and emergencies. prepares the body
for action
Parasympathetic nervous system - Answer-division of the autonomic nervous system
that brings the heightened bodily responses back the normal following an emergency
Spinal Cord - Answer-transmits messages between the brain and the peripheral
nervous system
Hindbrain - Answer-lower part of the brainstem: cerebellum, pons, and medulla
oblongata
Medulla - Answer-part of brainstem that controls heartbeat, blood pressure, breathing,
coughing, and swallowing
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