PHYSIOLOGY LECTURE EXAM 2 WITH CORRECT QUESTIONS AND ANSWERS.

PHYSIOLOGY LECTURE EXAM 2 WITH
CORRECT QUESTIONS AND ANSWERS.

What are the functions of the nervous system? - CORRECT ANSWERS.✔️✔️sensory input, integration,
motor output



nerve - CORRECT ANSWERS.✔️✔a️ collection of axons (fibers) in the PERIPHERAL nervous system



ganglion (ganglia) - CORRECT ANSWERS.✔️✔️collection of cell bodies in the PERIPHERAL nervous
system



tract - CORRECT ANSWERS.✔️✔c️ ollection of axons (fibers) in the CENTRAL nervous system



nucleus - CORRECT ANSWERS.✔️✔️collection of cell bodies in the CENTRAL nervous system



Neurons consist of __% of the nervous system. - CORRECT ANSWERS.✔️✔️Neurons consist of *10%* of
the nervous system.



Neuroglia consist of __% of the nervous system. - CORRECT ANSWERS.✔️✔️Neuroglia consist of 90% of
the nervous system.



What are characteristics of neurons? - CORRECT ANSWERS.✔️✔️- long life span

- amitotic (can't divide)

- highly biosynthetic (depends on oxygen and glucose)

- excitable



Which glial cells in the CNS and PNS are similar to each other? - CORRECT ANSWERS.✔️✔-️ astrocytes
(CNS) and satellite cells (PNS)