PSYCHOLOGY 2000 LSU EXAM 3 QUESTIONS WITH REVISED AND UPDATED ANSWERS
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Course
PSYCHOLOGY 2000 LSU
Institution
PSYCHOLOGY 2000 LSU
PSYCHOLOGY 2000 LSU EXAM 3 QUESTIONS WITH REVISED AND UPDATED ANSWERS
Nervous system - Answer-Network of specialized cells that carry information throughout the body
Neurons - Answer-Basic cell that sends and receives messages throughout the body
Glia - Answer-90% of the cells in our nervou...
PSYCHOLOGY 2000 LSU EXAM 3
QUESTIONS WITH REVISED AND
UPDATED ANSWERS
Nervous system - Answer-Network of specialized cells that carry information throughout
the body
Neurons - Answer-Basic cell that sends and receives messages throughout the body
Glia - Answer-90% of the cells in our nervous system are ____________
Dendrites - Answer-receive messages fro other cells
Axon - Answer-passes messages away from the cell body to other neurons, muscles, or
glands
Axon Terminal - Answer-form junction with other cells
Cell body - Answer-Soma
Action potential - Answer-Neural transmission, all or nothing
The number of actions potentials - Answer-How does the strength of the message get
coded?
Synapse - Answer-is the tiny gap between the axon tip of the sending neuron and the
dendrite or cell body of the receiving neuron
Neurotransmitter - Answer-chemicals released from the sending neuron, travel across
the synapse and bind to receptor sites on the receiving neuron, thereby influencing it
Serotonin, Acetylcholine, & Dopamine - Answer-Name the Neurotransmitters that we
talked about in class.
Reabsorbed into the sending neurons through the process of reuptake, diffuse, or are
broken down by enzymes - Answer-Neurotransmitters in the synapse are either
Agonists - Answer-increases original message that NT was supposed to send
Antagonists - Answer-blocks original message that NT was supposed to send
Spinal cord - Answer-reflex arc neurons
, Somatic nervous system - Answer-Part of the PNS, we are aware of this process,
Sensations, Voluntary muscle movement
Autonomic nervous System - Answer-Part of the PNS that controls the involuntary
muscles, organs, and glands
Sympathetic NS - Answer-arouses- fight of flight
Parasympathetic NS - Answer-calms- rest and digest
Endocrine system - Answer-the body's slow chemical communications system.
Communication is carried out by hormones
Pituitary - Answer-master gland, responsible for growth and control of other glands
thyroid gland - Answer-gland for metabolism
Parathyroid gland - Answer-gland for calcium regulation
Adrenal glans - Answer-gland that triggers flight or fight response engaged under stress
or danger
Pancreas - Answer-regulates blood sugar
Testes and ovaries - Answer-secrete sex hormones for males and females respectively
Pons, Medulla, Reticular formations - Answer-Brain stem broken into
Pons - Answer-sends messages between the cerebellum and cortex; sleep, dreaming
Midbrain - Answer-is the segment of the brainstem that lies between the hindbrain and
the forebrain. It integrates sensory processes, such as vision and hearing
Cerebellum - Answer-controls and coordinate all involuntary, rapid, fire motor
movements, as well as voluntary movements that happen in rapid succession
Limbic system - Answer-Homeostasis, smell, memory, emotion
Homeostasis - Answer-keeps things functioning in normal range
Olfaction - Answer-smell
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