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69. Most of the nuclei seen in a cross section of a peripheral nerve belong to
 

a. microglia
b. neurons
c. Schwann cells
d. fibroblasts
e. satellite cells
 

70. Pacinian corpuscles usually are considered to be most responsive to
 

a. light touch
b. pressure
c. pain
d. heat
e. cold

71. The cells that are responsible for forming myelin in the central nervous system are the
 

a. Schwann cells
b. satellite cells
c. microglia
d. astroglia
e. oligodendroglia

 
72. Nissl substance in nerve cell bodies is associated with
 

a. spread of stimulus
b. synaptic junctions
c. axons
d. protein synthesis
e. myelin formation

 
73. A myelinated nerve has how many Schwann cells between two adjacent nodes of Ranvier?
 

a. one
b. two
c. three
d. four
e. more than four

 
74. The walls of bronchioles lack
 

a. elastic tissue
b. columnar epithelium
c. smooth muscle
d. hyaline cartilage
e. ciliated cells