Nervous System Review

A change or signal in the environment that can make an organism react is called a(n)

• stimulus.
• reaction.
• response.
• impulse.

What part of a neuron carries nerve impulses away from the cell body?

• axon
• dendrite
• synapse
• nucleus

A motor neuron sends an impulse to

• a sensory neuron.
• a muscle or gland.
• an interneuron.
• another motor neuron.

What part of the brain controls memory?

• brain stem
• spinal cord
• cerebellum
• cerebrum

The somatic nervous system controls

• involuntary actions, such as the digestion of food.
• artistic ability.
• voluntary actions, such as turning a television on.
• logical thinking.

An automatic response of the body that occurs very rapidly and without conscious control is called a(n)

• interneuron.
• reflex.
• reaction.
• stimulant.

Drugs that slow down the activity of the central nervous system are called

• depressants.
• hallucinogens.
• stimulants.
• anabolic steroids.

What kind of drug is alcohol?

• stimulant
• stimulant
• depressant
• inhalant

Suppose that you close a window because you notice that rain is falling. Your action in closing the window is a(n)

• involuntary reaction.
• stimulus.
• response.
• depressant.

A synapse is the space between

• one cell and another cell.
• an axon and the cell body.
• an axon and the structure that receives the nerve impulse.
• a dendrite and the cell body.