nervous Flashcards
provide myelin for only one axon • microglial cells • oligodendrocytes • protoplasmic astrocytes • fibrous astrocytes • Schwann cells • satellite cells • ependymal cells • none of the above
only schwann cells
characterized by glial end-feet • microglial cells • oligodendrocytes • protoplasmic astrocytes • fibrous astrocytes • Schwann cells • satellite cells • ependymal cells • none of the above
both astrocytes
derived from monocytes • microglial cells • oligodendrocytes • protoplasmic astrocytes • fibrous astrocytes • Schwann cells • satellite cells • ependymal cells • none of the above
microglial cells
Which of the following cell types surrounds neuronal perikaryons located in ganglia? • ependymal cells • fibrous astrocytes • cells of microglia • oligodendrocytes • protoplasmic astrocytes • satellite cells • Schwann cells
satellite cells
contains numerous blood vessels • dura mater • arachnoid • pia mater • neither
pia
Which of the following are true of synaptic vesicles?
• are found in terminal dilated portions of terminal branches of axons
• are found in the synaptic cleft
• contain lysosomal enzymes
• bud directly from the granular endoplasmic reticulum
• are found in dendrites near the postsynaptic membrane
+—
Which of the following cells are glial cells of peripheral nervous system? • Schwann cells • fibrous astrocytes • ependymal cells • oligodendrocytes • Purkinje cells
+—-
Which of the following cell types are found only in white matter? • ependymal cells • fibrous astrocytes • cells of microglia • oligodendrocytes • protoplasmic astrocytes • satellite cells • Schwann cells
-+—-
is avascular • dura mater • arachnoid • pia mater • neither
arachnoid
Which of the following are false of synapses?
• permit transmission of a nerve impulse in either direction
• can occur between a dendrite and a neuron cell body
• can contain some superficial lamina in the synaptic cleft
• postsynaptic membrane is in contact with the synaptic vesicles
++-+
constant diameter along their entire length
• axons
• dendrites
• neither
axon
contain neurofilaments and neurotubules
• axons
• dendrites
• neither
both
may contain rough endoplasmic reticulum
• axons
• dendrites
• neither
contain Golgi complex
• axons
• dendrites
• neither
dendrites have rer and ribos
no one has golgi
