1. The nervous system is very important in helping maintain

immunity
balance or homeostasis
blood flow

2. Sensory receptors provide information about the

external environment only
internal environment only
both the internal and external environment

3. What is another name for nerve cells?

neurons
smooth muscle
liver cells

4. All neurons have the following:

soma ( cell body )
dendrites and xons
all of the above
Other:

5. What is the job of an axon?

conduct blood flow
conduct nerve impulse away from the cell body
conduct nerve impulse toward the cell body

6. Impulse transmissions

are located at the ends of axons
they transmit impulses
all of the above
Other:

7. What are the three types of Neurons?

Efferent neurons, firing neurons, bilateral neurons
Interneurons, bilateral neurons, sensory neurons
Afferent neurons, efferent neurons, and Interneurons
Other:

8. What is the function of neuroglia?

protect and support
barrier to prevent infection around the heart
metabolizes calcium for the proper function of cells in the body

9. The CNS ( Central Nervous System) is made of

brain only
brain and spinal cord
spinal cord only
10. The brain is divided into _____________ parts.

7
12
9
4