Lecture 17

Question 1

Information transmitted

Answer 1

Somatic and Autonomic

Question 2

Somatic

Answer 2

Voluntary muscle control and sensory information we are aware of

Question 3

Autonomic

Answer 3

Involuntary muscle control and sensory information that we don’t know of

Question 4

Somatic efferent division

Answer 4

Upper motor neuron and lower motor neuron

Question 5

Upper motor neuron

Answer 5

Cell body in brain and axon in spinal cord

Question 6

Lower motor neuron

Answer 6

Cell body in spinal cord and axon in spinal nerve

Question 7

Effectors

Answer 7

Skeletal muscle fibres

Question 8

Somatic efferent communication

Answer 8

CNS: Brain to spinal cord, upper motor neuron (myelinated)
PNS: Spinal nerve, lower motor neuron (myelinated)

Question 9

Autonomic efferent nervous system divisions

Answer 9

Sympathetic and parasympathetic

Question 10

Autonomic efferent nervous system effectors

Answer 10

Smooth muscle, cardiac muscle, glands, adipose tissue

Question 11

Neuron 1

Answer 11

Cell body in brain, axon in brain or spinal cord (CNS)

Question 12

Neuron 2

Answer 12

Cell body in CNS, axon extends in PNS, myelinated, synapse in autonomic ganglion, pre-ganglionic neuron

Question 13

Neuron 3

Answer 13

Cell body in PNS, autonomic ganglion, axon extends in PNS to effector organ, unmyelinated, synapse on effector organ, post-ganglionic neuron

Question 14

Sympathetic

Answer 14

Fight or Flight response, prepares body for acute/ stress responses

Question 15

Parasympathetic

Answer 15

Rest and Digest response, prepares body for restful situations

Question 16

Sympathetic Nervous System Preganglionic neuron

Answer 16

Cell body in thoracolumbar levels of spinal cord, axon is short, axon terminals and synapse in sympathetic ganglion

Question 17

Sympathetic Nervous System Postganglionic neuron

Answer 17

Cell body in sympathetic ganglion, axon is long, unmyelinated

Question 18

Sympathetic chain ganglia

Answer 18

On either side of the vertebral column, where preganglionic (neuron 2) axons synapse on postganglionic (neuron 3) input zone

Question 19

Parasympathetic Nervous System Preganglionic neuron

Answer 19

Cell bodies in cranial and sacral levels, axon is long, axon terminals and synapse in parasympathetic ganglia (in or near effector)

Question 20

Parasympathetic Nervous System Postganglionic neuron

Answer 20

Cell body in parasympathetic ganglia in or near the effector organs, axon is short