Nervous System Quiz

What is the primary function of the nervous system?

• To carry information to and from all parts of the body.

• To digest food and absorb nutrients.

• To circulate blood throughout the body.

• To provide structural support to the body.

Which type of nerves go from your brain to your eyes, mouth, ears, and other parts of your head?

• Cranial nerves

• Peripheral nerves

• Autonomic nerves

• Central nerves

Where are the central nerves located?

• In your arms and legs

• In your brain and spinal cord

• In your lungs and heart

• In your stomach and intestines

What do peripheral nerves connect to?

• Your lungs and heart

• Your arms, hands, legs, and feet

• Your brain and spinal cord

• Your stomach and intestines

What is the primary function of a neuron?

• To store energy

• To send and receive messages

• To produce hormones

• To transport oxygen

What is the soma in a neuron?

• The part that stores nutrients

• The cell body responsible for maintaining the life of the cell

• The structure that transmits signals

• The outer protective layer

What is the function of dendrites in a neuron?

• They transmit signals away from the cell body.

• They receive signals from the axons of other neurons.

• They store genetic information.

• They produce energy for the neuron.

What is the role of the axon in a neuron?

• It receives signals from other neurons.

• It carries nerve impulses away from the cell body.

• It stores neurotransmitters.

• It processes sensory information.

What is the role of the electromagnetic impulses sent down an axon?

• To inhibit neurotransmitter release

• To stimulate the release of a neurotransmitter

• To create a new neuron

• To stop the action potential

How is the action potential described in terms of its occurrence?

• It is a gradual process

• It is a reversible event

• It is an all or nothing event

• It is a continuous event