Reflexes Flashcards

1
Q

Reflexes

A

Involuntary motor responses

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2
Q

Reflex arc

A

Neural pathway that a nerve impulse travels

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3
Q

Dorsal root

A

Sensory info travels into spinal cord, contains axons of sensory neurons

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4
Q

Ventral root

A

Motor info travels out

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5
Q

Gray matter

A

Contains cell bodies of neurons, and where interneurons synapse with each other

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6
Q

White matter

A

Contains axons of neurons

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7
Q

Dorsal root ganglion

A

Contains cell bodies of sensory neurons

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8
Q

Posterior horn of gray matter

A

Sensory neurons synapse on cells here

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9
Q

Anterior horn of gray matter

A

Motor neuron cell bodies are located here

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10
Q

Spinal nerve

A

Contains both sensory and motor neurons

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11
Q

Spinal reflexes

A

Faster than conscious decision, fewer neurons, travel shorter distance

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12
Q

Stretch reflexes

A

Muscle reflex that protects muscle against increasing in length that will damage muscle fibers

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13
Q

Muscle spindles

A

Muscle cells that monitor the amount of stretch in a muscle

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14
Q

Patellar reflex

A

Tests the stretch reflex in the quadriceps femoris to prevent overstretching

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15
Q

Patellar tendon

A

Attaches quadriceps to tibia bone

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