nervous system practice questions Flashcards
What is one of the roles of the CNS?
controls the regulation of the body systems
what is the nerve that sends messages to the brain
sensory nerve (afferent)
What is the function of the amygdala?
emotions, emotional behavior, motivation
nerves are bundles of what?
axons
Pathophys of ALS
upper and lower efferent motor neurons of the somatic nervous system die/ degenerate and stop sending signals to skeletal m. –> lose ability to move arms and legs.
Which germ layer gives rise to the nervous system?
ectoderm
What does the mesoderm give rise to?
muscles (skeletal, smooth, cardiac) and connective tissue and RBC and microglia of the CNS
What does the endoderm give rise to?
the epithelial cells lining the GI and respiratory tract