Nervous System Review #1

Correctly break down the divisions of the Nervous System

a

b

c

d

f

e

g

h

Afferent

Peripheral NS

Central NS

Autonomic

Parasympathetic

Efferent

Somatic

Sympathetic

Which division do we label as rest & digest?

• somatic

• efferent

• parasympathetic

• sympathetic

Which division do we label as "fight or flight"?

• somatic

• central

• sympathetic

• parasympathetic

Which division deals with involuntary muscle control?

• autonomic

• somatic

• efferent

• sensory

Correctly label diagram:

a

b

c

d

e

f

g

h

cell body

schwann cell

axon terminal

dendrites

axon

nodes of ranvier

nucleus

myelin sheath

Which portions of the neuron to the left would be part of a synapse?

• 1 & 2

• 5 & 4

• 6 & 8

• 1 & 4

Which of the following types of neuroglia would be involved in producing the structure labeled #7 in this picture?

• microglia

• ependymal cells

• astrocytes

• schwann cells

Neurons are classified by # of processes extending from the cell body. What would this one be classified as?

• bipolar

• unipolar

• multipolar

• polypolar

What of these substances does the blood brain barrier allow to cross into the brain?

• proteins

• large lipid molecules

• glucose

• all components of blood can pass through the barrier

The purpose of the blood brain barrier is

• to allow harmful substances into the brain and disrupt brain function
• to provide nutrients and oxygen to the brain
• to regulate the body's temperature and maintain homeostasis
• to protect the brain from harmful substances and maintain a stable environment for proper brain function