Neurons and Neurotransmitters

What part of the neuron receives or detects incoming signals initiated by neurotransmitters?

• Axon

• Terminal Branch

• Myelin Sheath

• Dendrite

What part of the neuron protects the axon and speeds up neural communication?

• terminal branch

• axon

• myelin sheath

• dendrite

What are the chemical messengers of the Nervous System called?

• Hormones

• dendrites

• glial cells

• neurotransmitters

An old and false belief that the shape of our skull was related to our traits and abilities was called

• phrenology

• psychology

• eugenics

• philosophy

What is stored inside the axon terminal branches?

• hormones

• myelin sheath

• blood

• neurotransmitters

What is the longest part of the neuron? This is where the action potential takes place.

• synapse

• axon

• dendrite

• terminal branch

When a neuron fires, it always fires at 100%. What is this principle called?

• phrenology

• action potential

• all or none response

• depolarization

When a neuron fires, the terminal branches release neurotransmitters

• into the synapse.

• into the bloodstream.

• through the axon.

What kind of neurons help us with automatic responses and reflexes?

• sensory neurons

• interneurons

• motor neurons

Where are interneurons located?

• in the spinal cord

• in the brain

• in the heart