Lecture 17 - Functional information flow

Question 1

The stuff we are aware of, have control over

Answer 1

Somatic

Question 2

The stuff we are not aware of, have no control over

Answer 2

Autonomic

Question 3

Voluntary muscle control

Answer 3

Somatic efferent

Question 4

Involuntary muscle control

Answer 4

Autonomic efferent

Question 5

Sensory information we are aware of

Answer 5

Somatic afferent

Question 6

Sensory information that we don’t know about

Answer 6

Autonomic afferent

Question 7

Two neurons between brain and effector for somatic efferent

Answer 7

Upper motor neuron
Lower motor neuron

Question 8

Prepares body for acute/stress repsonses

Answer 8

Sympathetic

Question 9

Prepares body for restful situations

Answer 9

Parasympathetic

Question 10

What is the effector in the somatic efferent division?

Answer 10

Skeletal muscle fibres

Question 11

Explain the anatomical position of the somatic efferent division of upper motor neuron

Answer 11

Cell body in brain, axon in spinal cord
Axon is myelinated

Question 12

Explain the anatomical position of the somatic efferent division of lower motor neuron

Answer 12

Cell body in spinal cord, axon in spinal nerve
Axon is myelinated

Question 13

Where is the neurons input zone located on the upper motor neuron?

Answer 13

Brain

Question 14

Where is the neurons input zone located on the lower motor neuron?

Answer 14

Spinal cord

Question 15

Where is the neurons output zone located on the upper motor neuron?

Answer 15

Spinal cord (axon terminals)

Question 16

Where is the neurons output zone located on the lower motor neuron?

Answer 16

Spinal nerves (axon terminals)

Question 17

Define neuro muscular junction

Answer 17

Synapse between a neuron and a skeletal muscle effector

Question 18

List the effectors for the autonomic efferent system

Answer 18

Smooth muscle
Cardiac muscle
Glands
Fat tissue

Question 19

What are the 2 subdivisions of the autonomic efferent division?

Answer 19

Sympathetic
Parasympathetic

Question 20

Which neurotransmitter does sympathetic use between the post ganglionic neuron and the effector?

Answer 20

Norepinephrine

Question 21

Which neurotransmitter does parasympathetic use between the post ganglionic neuron and the effector?

Answer 21

Acetylcholine