MedSurg II - Unit VII - Term Definition The Autonomic...

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Term: The Autonomic Nervous System is part of which other nervous system? What is it responsible for? Definition: Peripheral nervous system. Responsible for involuntary movements. Term: What is the difference between the sympathetic and parasympathetic nervous systems? Definition: Sympathetic is fight or flight. Parasympathetic conserves and restores energy. Term: Cranial Nerve I is named what? It is what type and is responsible for what? Definition: Olfactory; sensory; responsible for smell. Term: Cranial Nerve II is named what? It is what type and is responsible for what? Definition: Optic; sensory; responsible for visual acuity, field of vision, pupillary response (afferent impulse). Term: Cranial Nerve III is named what? It is what type and is responsible for what? Definition: Occulomotor; motor; eyelid elevation, extraocular eye movement, pupilsize, convergence, pupillary constriction.
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Term: Cranial Nerve IV is named what? It is what type and is responsible for what? Definition: Trochlear; motor; extraocular eye movement (inferior and lateral). Term: Cranial Nerve V is named what? It is what type and is responsible for what? Definition: Trigeminal; sensory - corneal reflex; motor - facial sensation, chewing, biting, lateral jaw movement. Term: Cranial Nerve VI is named what? It is what type and is responsible for what? Definition: Abducens; motor; extraocular eye movement (lateral). Term: What is the function of the cerebrum? Definition: Intellect and consciousness, interprets sensory information, controls voluntary movements and certain types of involuntary movements; responsible for thinking, learning, language capability, judgment, personality; stores memories.
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Term: What is the function of the cerebellum? Definition: Coordination of movement, posture, muscle tone that are the mechanisms of balance. Term: The diencephalon has how many parts? Definition: Two. Term: What is the function of the thalamus? Definition: Relay center between the spinal cord and cerebrum. Term: What is the function of the hypothalamus? Definition: Controls body temperature, appetite, water balance; links nervous and endocrine systems. Term: The brainstem has how many parts? Definition: Three.
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Term: What is the function of the midbrain? Definition: Mediates visual and auditory reflexes; controls cranial nerves III and IV and certain eye movements. Term: What is the function of the pons? Definition: Links connecting various parts of the brain; helps regulate respiration. Term: What is the function of the medulla oblongata? Definition: Contains reticular formation that regulates heartbeat, respirations, blood pressure; control center for swallowing, coughing, sneezing, and vomiting; relays messages to other parts of the brain.
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