5. The Central Nervous System (Summary) Flashcards Preview

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Flashcards in 5. The Central Nervous System (Summary) Deck (9)
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1
Q

The afferent division of the nervous system:

A

Transmits information from the periphery to the central nervous system

2
Q

The two divisions of the autonomic nervous system are the:

A

Sympathetic and parasympathetic division

3
Q

The CNS neuroglia comprises:

A

Astrocytes, oligodendrocytes and microglia

4
Q

What is the function of glial cells?

A

[1]
Maintaining a neurones chemical environment.

[2]
Insulating axons

[3]
Transferring nutrients to neurons

5
Q

Sensory Nurones:

A

Are considered to be afferent neutrons because they carry nerve impulse from sensory stimuli and towards the nervous system

6
Q

Functions of astrocytes:

A

[1]
Structural support

[2]
Modulation of synaptic transmission

[3]
Nervous system repair

7
Q

The frontal lobes of the cerebrum are involved with:

A

Voluntary motor functions

8
Q

The parasympathetic nervous system:

A

Effects are largely maintenance and conservation

9
Q

The v_______ of an a_____ p________ in a myelinatated axon is _______ ____ the v_______ of an a_____ p________ in an u___________ a___.

A

The velocity of an action potential in a myelinatated axon is greater than the velocity of an action potential in an unmyelinated axon.