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15 Cards in this Set
- Front
- Back
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Name the cranial nerves I - IV and what their sensory/motor functions are.
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I olfactory - smell
II optic - vision III oculomotor - eye muscles IV trochlear - superior oblique eye muscle |
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Name the cranial nerves V - VIII and what their sensory/motor functions are.
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V trigeminal - face, teeth tongue - ophthalmic, maxillary, mandibular
VI abducens - lateral rectus muscle VII facial - taste-anterior 2/3 tongue - facial muscles, secretion of saliva and tears VIII vestibulocochlear - hearing, balance, posture |
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Name the cranial nerves IX - XII and what their sensory/motor functions are.
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IX glossopharyngeal - taste-posterior 1/3 tongue - swallowing, secrete saliva
X vagus - 70% of Parasympathetic division of ANS XI accessory - sternocleidomastoid and trapezius XII hypoglossal - muscles of tongue |
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What is a dermatomes?
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a segment of skin supplied by a single spinal nerve
ex: appendix causes pain in T10 dermatome |
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Where does shingles come from and where does that virus lay dormant?
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chickenpox and in you posterior root ganglia
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Name the four Nerve Plexuses, which spinal nerves they include and an extend nerve they supply.
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Cervical - C1-C4 - phrenic nerve which innervates the diaphragm
Brachial - C5-T1 - pectoral girdle and upper limbs - median, ulnar, radial, and musculocutaneous nerves. Lumbar - L1-L4 - femoral nerve Sacral - L4-S4 - Sciatic nerve - longest and largest |
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Name the 5 possible components of a Reflex Arc.
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1. Stimulus activates receptor
2. Travels through sensory aff. neuron 3. Interneurons 4. Travels through motor eff. neuron 5. Effector responds to nerve imulse |
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What are the 2 types of reflexes and the differences between them?
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Monosynaptic - 4 steps (no interneuron) simplest, fastest
Polysynaptic - 5 steps, more complex, takes longer, better control |
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What are the 2 differences between Somatic and Autonomic?
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Somatic is voluntary and has 1 motor efferent neuron
Autonomic is involuntary and has 2 motor efferent neurons |
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What are the two divisions of the Autonomic Nervous System?
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Sympathetic and Parasympathetic
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What are the two motor neurons in the ANS called?
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Preganglionic neuron
Postganglionic neuron |
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What are the functions of the parasympathetic division?
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Rest & Digest
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What are the functions of the sympathetic division?
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Fight of Flight
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Which division has a long preganglionic axon and which has a short preganglionic axon?
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Para. has a long pre.
Symp. has a short pre. with branching |
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Does either division have a myolinated postganglionic axon?
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NO
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