Reflexes

Question 1

Reflexes

Answer 1

Involuntary motor responses

Question 2

Reflex arc

Answer 2

Neural pathway that a nerve impulse travels

Question 3

Dorsal root

Answer 3

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

Question 4

Ventral root

Answer 4

Motor info travels out

Question 5

Gray matter

Answer 5

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

Question 6

White matter

Answer 6

Contains axons of neurons

Question 7

Dorsal root ganglion

Answer 7

Contains cell bodies of sensory neurons

Question 8

Posterior horn of gray matter

Answer 8

Sensory neurons synapse on cells here

Question 9

Anterior horn of gray matter

Answer 9

Motor neuron cell bodies are located here

Question 10

Spinal nerve

Answer 10

Contains both sensory and motor neurons

Question 11

Spinal reflexes

Answer 11

Faster than conscious decision, fewer neurons, travel shorter distance

Question 12

Stretch reflexes

Answer 12

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

Question 13

Muscle spindles

Answer 13

Muscle cells that monitor the amount of stretch in a muscle

Question 14

Patellar reflex

Answer 14

Tests the stretch reflex in the quadriceps femoris to prevent overstretching

Question 15

Patellar tendon

Answer 15

Attaches quadriceps to tibia bone