Clinical Anatomy & Physiology for Veterinary Technicians CH9
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| Sympathetic System | show 🗑
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| show | Rest and Restore, brings body back to resting state,
facilitates all body processes to replace resources used during emergency
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| What does endocrine & Nervous system have in common when it comes to communication and control? | show 🗑
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| What are the 2 main divisions in the nervous system? | show 🗑
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| Central nervous system definition? | show 🗑
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| show | Nerves to link the CNS to rest of the body
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| What are the three main activities of the nervous system? (SIM) | show 🗑
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| T OR F, neurons=nerve cells, have high requirement of oxygen? | show 🗑
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| show | Support and protect
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| show | Receives stimuli
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| show | impulses
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| show | Conducts stimuli Towards Cell Body.
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| What is a myelinated axon? | show 🗑
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| show | Gray and White Mater
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| show | Conducts Impulses AWAY from CNS. also called motor nerves.
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| What are mixed nerves? | show 🗑
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| show | coordination of automatic body functions
example is stimulating release of digestive juices in response to ingestion of a meal
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| What is Somatic Nervous system? | show 🗑
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| show | False, Polarization means resting state.
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| show | very brief time period when a neuron is insensitive to additional stimuli
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| List four Neurotransmitters. | show 🗑
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| show | acetylcholinesterase
monoamine oxidase (MAO)
catechol-O-methyl transferase (COMT)
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| white matter | show 🗑
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| gray matter | show 🗑
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| Whats the largest part of the brain and what does it do? | show 🗑
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| What is the purpose of reflexes? | show 🗑
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| pupillary light reflex (PLR) | show 🗑
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| show | light tap on medial canthus of eye produces a blink of eyelids
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| What is pupillary Light Reflex Hint: POKE THE EYEBALL FOR REACTION | show 🗑
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| show | contralateral reflex
afferent sensory impulse synapses with interneurons - crosses to other side of spinal cord and stimulates muscles that extend the opposite limb. ie. falling over and stops yourself fm falling over tack
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| show | also called flexor reflex
several interneuron synapses
results in contraction or flexing of muscles
Example - pulling hand away from hot stove
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| show | Simple two neuron reflex arc
Muscle is stretched and send impulse to spinal cord
Send signal back to contract
Body can maintain tension and tone to prevent overstretching
Example - patellar ligament tap…knee jerk reflex
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| What is Hypperflexive. | show 🗑
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| What is Hyporflexive. | show 🗑
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| What is the Reflex Arc? | show 🗑
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