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35 Cards in this Set
- Front
- Back
Name the parts |
18 parts , 2 with 3 subs |
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Cervical nerves are numbers |
1-8 |
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Thoracic nerves (1-12) are numbers |
9-21 |
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Lumbar nerves (L1-L5) are nerve numbers |
22-26 |
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Sacral nerves(S1-S5) are nerves |
27-31 |
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How many coccygeal nerves are there? And what section of nerves are they located under |
1, sacral nerves |
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Origin in the CNS of Parasympathetic nerves (5) |
Brain stem nuclei of oculomotor nerves (III), facial nerves (VII), glossopharyngeal (IX), and Vagus (X). Spinal cord segments S2-S4. |
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Location of Parasympathetic ganglia |
Close to target organ or within the wall of the target organ. |
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Parasympathetic nerves have ________ preganglionic axons and ________ postganglionic axons (long or short). |
Long, short |
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Only ____________ have white or gray rami communicantes |
Sympathetic |
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The preganglionic axons of the Parasympathetic nervous system are __________ (extensive or minimally) branched |
Minimally |
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The nerves of the Parasympathetic nervous system function in what ways (3) |
Rest and digests, maintenance, stores/conservaes energy. |
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Both preganglionis and postanglionic nerves of the parasympathetic nervous system release |
Acetylcholine (ACh) |
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The effects of the Parasympathetic nerves are ___________ and __________. |
specific, local |
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Origin in the CNS of the sympathetic nerves |
Lateral horns of the gray matter of the spinal cord from T1 to L2 |
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Location of sympathetic nerves (2) |
Along side vertebral or anterior to vertebral column. |
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Sympathetic nerves have _______ preganglionic axons and ________ postganglionic axons (long or short) |
Short, long |
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Each white ramus communicans of the parasympathetic nervous system contains____________ preganglionic axons and each gray ramus communicans contains ___________ postganglionic axons |
Myelinated, nonmyelinated. |
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The preganglionic axons of the Sympathetic NS are ________ (minimally or extensively) branched |
Extensively |
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Functional role of sympathetic nerves (3) |
Fight or flight, prepares for emergencies, prepares for physical activity |
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The postganglionic neurotransmitters of the sympathetic NS release _________ while the preganglionic neurotransmitters release ___________ |
Norepinephrine, ACh. |
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The effect of the sympathetic NS are more __________ and _________ |
general, widespread |
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5 components of reflex arcs |
Receptor, sensory neuron, integration center, motor neuron, effector |
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The component of a reflex arc that is the site of the stimulus |
Receptor |
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The component of a reflex arc thattransmitts afferent (to) impulses to the CNS |
Sensory neuron |
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The component of a reflex arc that consists of one or more neurons in the CNS |
Integration center |
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The component of a reflex arc that conducts efferent (away from) impulses from the integration center to an effector organ. |
Motor neuron |
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The component of a reflex arc that is a muscle fiber or gland cell that responds to efderent impulses by contracting or secreting respectively. |
Effector |
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When tapping then patella, what muscles contract? What neurons carry afferent impulses and which neurons carry the efferent impulses? (3) |
Vastuses, sensory neurons, motor neurons |
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Distractions___________ the patellar reflex. Fatigue _________ the patellar reflex. (Increase or decrease. |
Increase,decrease |
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Types of reflexes you need to know (4) |
Patellar stretch reflex, plantar reflex, pupillary reflex, and Ciliospinal |
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In a normal plantar reflex causes to toes to (2) |
Flex and move closer together |
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The pupils get ______ in dimmer light (larger or smaller). This is referred to as the ________ reflex |
Larger, pupillary. |
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Learned reflexes have ______ (longer or shorter) responses than intrinsic relfexes because more complex neurological activity is taking place. |
Longer |
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When the ciliospinal reflex is stimulated it only initiates a response from the pupils on the ________ (same or opposite) side. This shows that the sympathetic innervation of thr irises is not heavily ______. |
Same, integrated. |
