Nervous system

The part of the neuron that conducts action potentials is the:

• cell body

• dendrites

• axon

• nucleus

The part of the neuron that receives signals is the:

• cell body

• dendrites

• axon

• axon terminal

Which molecule removes neurotransmitters from the synaptic cleft?

• dopamaine

• serotonin

• epenephrine

• actylcholinesterase

This nervous system branch causes increases in heart rate and breathing.

• sympathetic

• sensory

• parasympathetic

• motor

Heartbeat would be accomplished by which branch of the nervous system?

• sensory

• motor

• autonomic

• somatic

What is the central nervous system made up of?

• cranial and spinal nerves

• brain and spinal cord

• sensory and motor neurons

• somatic and autonomic nerves

The brain is covered by a protective layer called the ...

The part of the peripheral nervous system that controls conscious activities

• sympathetic

• parasympathetic

• somatic nerves

• autonomic nerves

What are the two types of cells found in the nervous system?

• neurons and dendrites

• dendrites and axons

• glial cells and neurons

• afferent and efferent neurons

What do motor/efferent neurons do?

• carry messages from the brain and spinal cord to muscles and glands

• carry impulses from sensory neurons to motor neurons

• carry impulses from the skin and sends to the spinal cord and brain

• store messages