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BPCC/NSU Title III Cooperative Project

Nervous System

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Test Yourself

The trigger zone of a neuron includes

a. the dendrites
b. the synaptic knobs
c. each node of Ranvier
d. each internode
e. the axonal hillock

Which is NOT a feature of neurons?

a. Nissl bodies
b. contractility
c. axon
d. neurofibrils
e. excitability

Myelin consists mainly of

a. phospholipids
b. carbohydrates
c. proteins
d. nucleic acids
e. cholesterol

The brain and spinal cord constitute the _____ Nervous System.

a. Autonomic
b. Peripheral
c. Central
d. Afferent
e. Efferent

Which cells form the myelin sheath in the CNS?

a. microglia
b. ependymal cells
c. Schwann cells
d. astrocytes
e. oligodendrocytes

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