Deck 5: Nervous Tissue

Question 1

Myelin-producing cells in a peripheral nerve are called:

A) Astrocytes
B) Microglia
C) Oligodendroglia
D) Satellite cells
E) Schwann cells

Answer 1

E

Question 2

Ependymal cells of the central nervous system function to:

A) Line the surfaces of the ventricles
B) Metabolize excess neurotransmitter released from neurons
C) Phagocytize foreign antigens
D) Produce cerebrospinal fluid
E) Synthesize myelin

Answer 2

A

Question 3

An axon can be distinguished from a dendrite because an axon:

A) Frequently possesses stubby outgrowths called spines
B) Has a much thicker diameter close to the cell soma than at its end
C) Has much greater amounts of Nissl substance
D) Lacks ribosomes
E) Typically carries a wave of depolarization toward the cell soma

Answer 3

D

Question 4

Pseudounipolar neurons are typically found in the:

A) Autonomic ganglia
B) Cerebellar cortex
C) Cerebral cortex
D) Dorsal horn of the spinal cord
E) Dorsal root ganglia

Question 5

Purkinje cells of the central nervous system are located in the:

A) Cerebellar cortex
B) Cerebral cortex
C) Dorsal horn of the spinal cord
D) Dorsal root ganglia
E) Ventral horn of the spinal cord

Question 6

When piercing a peripheral nerve with a recording microelectrode,the structure encountered by the electrode after penetration of the connective tissue of the epineurium is the:

A) Endoneurium
B) Myelin sheath
C) Perineurium
D) Plasma membrane of an axon
E) Schwann cell nucleus

Question 7

Immunocytochemical staining for a protein called glial fibrillary acidic protein (GFAP)specifically identifies which cell type in the nervous system?

A) Astrocyte
B) Ganglion cell
C) Microglial cell
D) Motor neuron
E) Oligodendrocyte