Spinal Neurology

Question 1

Cell body

Answer 1

Soma

Question 2

Extends from body. Receives signal information from the local environment. Associated with receptors that are designed to sense specific stimuli or react to specific chemical transmitters

Answer 2

Dendrite

Question 3

Signals which travel as action potentials are generated here

Answer 3

Axon

Question 4

Summation of signals received from dendrites, which can either by stimulators or inhibitory. When it reaches the end of the axon it causes the release of a neurotransmitter

Answer 4

Action potential

Question 5

Action potentials speed are based on two factors:

Answer 5

diameter and degree of myelination

Question 6

Produce myelin in the CNS

Answer 6

Oligodendrocytes

Question 7

Demyelinization of cns

Answer 7

Multiple sclerosis

Question 8

Insulate nerve fivers; produce myelin in the PNS

Answer 8

Schwann cells

Question 9

Demyelinization of the PNS

Answer 9

Guillain-barre

Question 10

Cell bodies are located in the DRG. Each DRG neuron contains a peripheral process, which extends to the periphery along the path taken by the spinal nerve and its branches, and a central process, which extends into the CNS as the dorsal root of the spinal nerve

Answer 10

Sensory neurons

Question 11

Touch, hearing

Answer 11

Mechanoreceptors

Sensory neurons

Question 12

Temperature

Answer 12

Thermoreceptors

Sensory neurons

Question 13

Pain

Answer 13

Nocioceptors

Sensory neurons

Question 14

Smell, taste

Answer 14

Chemoreceptors

Sensory neurons

Question 15

Vision

Answer 15

Electromagnetic

Sensory neuron