Topic 10 Part 1 Neuronal Communication

The cell type that produced cerebral spinal fluid (CSF)

• ependymal cells
• neurons
• astrocytes
• oligodendrocytes

Myelination of the central nervous system involve ___ whereas myelination of the peripheral nervous system involve ___

• astrocytes, Schwann cells

• microglia, Schwann cells
• oligodendrocytes, neurons
• oligodendrocytes, astrocytes
• oligodendrocytes, Schwann cells

The blood brain barrier of the CNS involves which types of cells?

• astrocytes
• microglia

• Schwann cells

• oligodendrocytes

• ependymal cells

Which cells in the CNS are ciliated?

• neurons
• astrocytes
• ependymal cells
• microglia

When toxins build up in the CNS, ___ help to clear debris out.

• Astrocytes
• Neurons
• Oligodendrocytes
• Microglia

Multiple sclerosis (MS) is an autoimmune disorder that targets cells that myelinate the CNS. The cells affected by MS include

• Schwann cells

• microglia

• oligodendrocytes

• astrocytes

Satellite cells in the PNS are similar to ___ in the CNS

• microglia
• neurons
• oligodendrocytes
• astrocytes

Neurons that carry out integrative functions such as reflexes, memory, planning, and learning are referred to as:

• interneurons
• glial cells
• sensory neurons
• motor neurons

In a neuron, the action potential begins at the ___ when threshold is reached

• axon hillock
• synapse
• cell body
• dendrites

A neuron's cytoskeleton is made up the following (select all that apply)

• Neurofilaments

• Neurotubules

• Dendrites

• Neurofibrils

• Axons