Chapter 2 Prep Quiz – Flashcards

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question
Which area of the limbic system regulates thirst, body temperatures, and sexual behavior and helps maintain a steady internal state?
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hypothalamus
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Most neurons have all of the following parts except
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glia
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which area is not a part of the limbic system
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thalamus
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the _____ at the back of the brain enables nonverbal learning and skill memory
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cerebellum
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the function of _____ is to receive incoming signals from other neurons
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dendrites
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Whether a neuron fires or not can be compare to
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the firing or not firing of a gun
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the correct order of the structure of the motor neuron in terms of how the communicate is
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dendrites, cell body, axon, terminal branches
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which baseball sized structure at the rear of the brainstem serves many functions, including helping you to judge time and to discriminate sounds and textures
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cerebellum
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to excite or inhibit an action potential in a receiving neuron, a neurotransmitter must cross the
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synaptic gap
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for you to be able to run _____ must relay messages from your central nervous system to your leg muscles
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motor neurons
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the primary function of the __________ is to insulate the axon and increase the speed at which neurons convey their message
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myelin sheath
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which region of your brainstem plays a role in arousing you to a state of alertness when you accidentally stumble over shoes
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reticular formation
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the _____________ of a neuron is similar to a light switch that only has two positions on and off
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all or none response
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signal reception is to _________ as signal transmission is to ________
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dendrite, axon
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which part of a neuron is often encased by a fatty myelin sheath
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axon
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the minimum level of stimulation required to trigger neural impulse is called the
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threshold
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the _______ of the neuron refers to the minimum level of stimulation required to activate a particular neuron
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stimulus threshold
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information is carried from the body's tissues and sensory receptors to the central nervous system by
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sensory neurons
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the multiple short fibers that extend from the neuron's cell body and receive information from other neurons or sensory receptor cells are called
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dendrites
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this brain structure helps coordinate movement and enables a type of nonverbal learning
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cerebellum
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the speed at which a neural impulse travels is increased when the axon is encased by a
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myelin sheath
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the neural center in the limbic system that processes explicit memories for storage is called the
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hippocampus
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information is carried from the central nervous system to the body's tissues by
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motor neurons
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axons are to____ as dendrites are to hearing
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speaking
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true: once an action potential is ______ it is self-sustaining and ______ to the end of the axon
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started, continues
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the _____ is responsible for heartbeat and breathing
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medulla
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the part of the brainstem that controls the heartbeat and breathing
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medulla
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