Most Everything else not in other stacks
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Where do most cranial nerves arise from? Where do CN I and II arise from? | brainstem, cerebrum
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| Which nerve goes to areas of the body besides the head and neck | Vagus
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| Which nerves are relevant to dentistry? | V, VII, IX, X, XII
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| Define Nerve | bundle of fibers made up of several neurons
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| Define nucleus as it relates to nerves | collection of nerve cell bodies in the CNS
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| Define ganglion | collection of nerve cell bodies outside the CNS
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| What is CN I responsible for? | Sense of smell
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| What are CN II, III, IV, and VI responsible for? | eye movement and vision (only CN II)
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| What is CN VIII responsible for? | hearing and equilibrium
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| What does CN IX innervate? | stylopharyngeus muscle (motor), posterior 1/3 of tongue for taste and sensation (spec. sense), mucous membranes of the pharynx for sensation of swallowing (sensory), BP control of carotid artery at carotid sinus (sensory), parotid gland for secretion
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| What does CN X innervate? | thoraci & abdominal viscera (organs) inc. heart, lungs, stomach, spleen (sens.&motor), palatoglossus m. (motor), epiglottis region of tongue for taste & senssation (spec.sensory), skin around ear (sensory), muscles of soft palate, larynx,& pharynx (motor)
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| What are the two parts of CN IX and what do they innervate? | Spinal part: innervates sternocleidomastoid and trapezius muscles (motor); cranial part: innervates muscle of larynx (motor)
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| What does the hypoglossal innervate? | All intrinsic muscles of the tongue (motor); 3 external muscles of tongue: hyoglossus, genioglossus, and styloglossus
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| What are the differences b/w parasympathetic and sympathetic divisions? | Parasympathetic: Used in everyday life sustaining functions (slows HR, inc. salivary fx), ganglia are close to organs they innervate; sympathetic: responsible for fight or flight response (inc. HR, dec. salivary fxn), ganglia are closer to spinal cord
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| What are the 2 branches involved in autonomic motor control and their associated ganglia? | Greater petrosal branch: Pterygopalatine ganglion
Chorda tympani branch: Submandibular ganglion
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Created by:
ClarkDH
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