The small space between the sending neuron and the receiving neuron is the
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The synaptic cleft is the small space between the sending neuron and the receiving neuron.
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A molecule that carries information across a synaptic cleft is a
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Neurotransmitter molecules carry information across a synaptic cleft.
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When calcium ions enter the synaptic terminal,
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they cause vesicles containing neurotransmitter molecules to fuse to the plasma membrane of the sending neuron.
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When neurotransmitter molecules bind to receptors in the plasma membrane of the receiving neuron,
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ion channels in the plasma membrane of the receiving neuron open.
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If a signal from a sending neuron makes the receiving neuron more negative inside,
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If the receiving neuron is more negative inside, it is less likely to generate an action potential.
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Which part of the brain is associated with conscious thought, memory, and personality?
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Cerebral Cortex
The cerebrum is the largest of the four regions of the brain and is associated with the "higher functions" such as memory, language, thought, and personality.
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Which part of the brain functions as a relay station for information to the limbic system and the cerebral cortex?
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The thalamus is a processing center that relays sensory information from the body to the limbic system and cerebral cortex.
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True or false. An individual who has suffered a stroke, which has caused damage in his cerebrum, and is now having problems with his hearing, has probably suffered damage to his occipital lobe.
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False
The occipital lobe processes visual information from the eyes; the temporal lobe is involved in processing auditory information.
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About how many people in the U.S. are living with amputations?
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2 million
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Current data show that which of the following people is most likely to choose a more extensive amputation?
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Someone with an injury below their knee.
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Which of the following is frequently a problem for those who opted for fused joints?
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extreme arthritis
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New prostheses make use of which of the following to simulate action of missing muscles and tendons?
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robotics
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Currently, what type of prosthetic do those with upper extremity injuries most often use?
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hook
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During transmission across a typical chemical synapse,
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neurotransmitter molecules bind to receptors in the receiving cell's plasma membrane.
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Cranial nerves originate in the brain. They belong to which system?
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central nervous system
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What part of a nerve cell carries signals from the part of the cell that houses the nucleus?
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axon
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What part of a nerve cell carries signals toward the part of the cell that houses the nucleus?
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dendrite
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The functional unit of the nervous system is the
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neuron
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When you are very nervous, perhaps before you must speak in front of your college class, you notice that your mouth is dry and your heart is racing. This is most likely due to stimulation by the
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sympathetic division of your autonomic nervous system.
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The simplest animals to display cephalization and centralization of the nervous system are
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flatworms
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The central communication conduit between the brain and the rest of the body is the
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spinal cord
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The two major anatomical divisions of the nervous system are the
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centra l nervous system and peripheral nervous system.
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Which of the following brain regions controls the secretion of pituitary hormones and exerts direct control over many other aspects of homeostasis?
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hypothalamus
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