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NR 509 Neuro Exam Questions with Complete Answers
NR 509 Neuro Exam Questions with Complete Answers
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NR 509 Neuro Exam Questions withComplete Answers
Central Nervous System - -The brain and spinal cord
-Peripheral Nervous System - -all the nerve fibers outside the brain and
spinal cord: the 12 pairs of cranial nerves, the 31 pairs of spinal nerves , and
all their branches
-Peripheral: afferent messages - -sensory messages to the CNS from
sensory receptors
-Peripheral: efferent messages - -motor messages from the CNS out to
muscles and glands
-Peripheral: autonomic messages - -govern the internal. organs and blood
vessels
-Cerebral cortex - -the outer layer of nerve cell bodies; it looks like "gray
matter" because it lacks myelin.
Center for a human's highest functions. governing thought,
memory,reasoning, sensation, and voluntary movement
-hemisphere - -half of the cerebrum; the left hemisphere is dominant in
95% of people, including those who are left handed
-Lobes - -four parts of each hemisphere
-Frontal lobe - -associated with personality, behavior, emotions, and
intellectual function
The precentral gyrus of the frontal lobe initiates voluntary movement
-Parietal lobe - -Postcentral gyrus is the primary center for sensation
-Occipital lobe - -primary visual receptor center
-Temporal lobe - -behind the ear, has the primary auditory reception center,
with functions of hearing, taste, and smell
-Wernicke's area - -in the temporal lobe is associated with language
comprehension. When damaged in the person's dominant hemisphere,
receptive aphasia results
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