AP Psych - Biological Bases of Behavior

What are the two major parts of the central nervous system?

• The central and peripheral nervous systems 

• The brain and the body

• The spinal cord and the brain

• The spinal cord and limbs

The ____ nervous system controls involuntary activities.

• somatic
• sympathetic
• parasympathetic
• autonomic

When people are walking, raising their hands in class, or smelling a flower, they are using the

• parasympathetic nervous system

• somatic nervous system

• autonomic nervous system

• sympathetic nervous system

This is part of autonomic nervous system and it calms you down.

• parasympathetic

• sympathetic

• central nervous system

• peripheral nervous system

What do we call the receiving end of a neuron?

• dendrites
• axon

• myelin sheath

• terminal button

These carry signals from the tissues and organs to the brain and spinal cord.

• sensory neurons

• motor neurons

• interneurons

• glial cells

What do we call the gap between two neurons?

• dendrites

• cell body

• synapse

• axon

What do we call the electrical charge that travels down an axon when a neuron is firing?

• resting potential

• action potential

• threshold

• refractory period

The minimum level of stimulation required to trigger a neural impulse is called the

• refractory period

• action potential

• depolarization

• threshold

The brain is primarily comprised of two different kinds of cells. They are neurons and

• glial cells

• myelin

• neurotransmitters

• hormones