Chapter 3 Review
PSYCH 001

1. Input is to output as

dendrite is to axon
axon is to dendrite
axon terminal is to astrocyte
astrocyte is to axon terminal

2. Small cells in the nervous system that are ten times as numerous as neurons and that support the neurons are called

interneurons
neurotransmitters
glial cells
dendrites

3. Myelin is a fatty substance that is used in the nervous system to

provide nourishment to the verve cells
speed up the conduction of neural signals
prevent the buildup of excess glial cells
carry signals from the brain to the muscles

4. The state at which information is not being transmitted from a nerve cell when there are more negatively charged particles within the cell than outside is referred to as the

synaptic potential
quiet potential
resting potential
action potential

5. Communication between neurons is initiated by

ion exchange across the synapse
neurotransmitters being released in the synapse
action potentials along the dendrites
release of negative ions

6. High levels of the neurotransmitter ______ has been found in individuals with schizophrenia.

epinephrine
dopamine
acetylcholine
endorphin

7. Ralf is having difficulty moving his limbs due to nervous system dysfunction. the system most likely at fault would be the

central
sympathetic
parasympathetic
somatic

8. Which of these body organs is most directly related to the functioning of the autonomic nervous system?

the eyes
the skeletal muscles
the heart
the ears

9. The hippocampus is a part of the _____ system.

limbic
autonomic nervous
reticular activating
medulla oblongata

10. Brain imagery is to brain metabolic activity as

MRI is to PET
PET is to MRI
EEG is to PKU
PKU is to EEG

Name:

1