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18 Cards in this Set
- Front
- Back
A _____ is a direct connection between stimulus and response, which does not require conscious thought.
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Reflex
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The two types of reflexes are?
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Voluntary and involuntary
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A 3 neuron reflex is also called a _____ because it is commonly involved in withdrawing from painful stimuli.
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Withdrawal reflex
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Withdrawing from painful stimuli does not require thought. But the interneuron does send a fiber through the ____ to the brain where pain is percieved.
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Spinothalamic tract
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The ______ reflex is the simplest form of reflex.
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Stretch
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A stretch reflex involves only _____ neurons.
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Two
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The two neurons involved in the stretch reflex are the _____ and ______.
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Sensory and motor reflexes
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A stretch of a muscle normally happens when its ______ contacts or artifically when its tendon is is stretched, as in a knee jerk reflex.
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Antagonist
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Muscles contain receptors called _____.
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Muscles spindles
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Since at the time of the muscle stretch its antagonist was contacting, in order to avoid damage it must be inhibited or tuned off in the reflex. This is called ______?
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Reciprocal inhibition
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Tendon receptors respond to the _____ of a muscle.
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Contraction
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The ______ reflex involves _______, _____, and ______ neurons.
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Deep tendon
Sensory neurons Interneurons Motor neurons |
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In order to facilitate that the reflex sends excitatory stimuli to the antagonists causing them to contract or ________.
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Reciprocal activation
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The _____ and _____ reflexes complement one another.
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Stretch and tendon
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When one muscle is stretching and stimulating the stretch reflex, its _____ is contracting and stimulating the ____ reflex.
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Antagonist
Tendon |
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A reflex involves ____ or ____ neurons.
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2 or 3
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A three neuron reflex requires a _____, an _____, and a ______ neuron.
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Sensory
Interneuron Motor |
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The _____ reflex is just a withdrawal reflex on on side with the addition of ____ pathways needed to maintain balance and coordination.
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Crossed extensor
Inhibitory |