BIO 264 6.1 Quiz

Which glial cell is not found in the CNS?

Schwann cell

Which statement is NOT true concerning the nervous system?

There are 5 divisions of the whole nervous system

This cell participates in forming the blood-brain barrier.

Astrocyte

Which of the following nerve tissue cells controls most of what enters and exits central nervous system neurons?

Astrocytes

Which of the following statements correctly describes microglia?

Microglia are phagocytic cells residing within the CNS.

In the case of a loss of oxygen, which of the following sources will provide the energy necessary to allow the brain to continue functioning for 5-10 minutes?

Glycogen stored in the astrocytes

Which of the following cells act as phagocytes within the central nervous system?

Microglial cells.

Which nerve will conduct an action potential the fastest?

Myelinated; large-diameter nerve

Which of the following cell types is responsible for the formation of myelin within the spinal cord?

Oligodendrocytes

The peripheral nervous system is divided into ________.

Sensory and motor divisions

The autonomic nervous system is divided into ________.

Sympathetic and parasympathetic divisions

Which of the following statements correctly describes the afferent division of the Peripheral nervous system?

The afferent division of the PNS transports action potentials to the CNS.

Which of the following statements correctly describes the efferent division of the PNS?

The efferent division of the PNS transmits impulses from the CNS to skeletal muscle.

The part of a neuron that conducts impulses away from the cell body is called _______.

an axon

Neurons

are classified by function or structure

Multipolar neurons

have many dendrites with a single axon

Myelin

is a lipid-based material that may be produced in the PNS or CNS

Which of the following is NOT a glial cell?

macrophage

Which glial cell type is MOST likely to be activated in response to injury?

microglia

Multiple sclerosis is a neurological disease which destroys myelin sheaths of the central nervous system. Which of the following cell types is damaged as a result of multiple sclerosis?

oligodendrocyte