Neurotransmitter

Neurotransmitters are either broken down or recycled after use.

• True

• False

What type of ion initiates the release of neurotransmitters?

• Calcium

• Chlorine

• Potassium

• Sodium

Which neurotransmitter causes muscle contractions?

• Acetylcholine

• Dopamine

• Serotonin

• Endorphins

Which of these is a FALSE statement about neurotransmitters?

• They act as chemical messengers

• They can be inhibitory

• They can be excitatory

• Glucose is an example

What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?

• Neurotransmitters

• Synapse

• Threshold

• Impulse

What is the general name for the chemicals in the nervous system that allow messages to be passed across the synapse?

• Amino Acid

• Enzyme

• Hormone

• Neurotransmitter

Neurotransmitters are chemical messengers that transmit signals across a:

• Synapse

• Neuron

• Muscle fiber

• Blood vessel

Excess neurotransmitters in the synapse that goes back into the presynaptic neuron.

• Resting potential

• Reuptake

• Retroactivity

• Repolarization

Which of these is an excitatory neurotransmitter?

• Acetylcholine

• Dopamine

• GABA

• Endorphins

Which of these is an inhibitory neurotransmitter?

• Glutamate

• Epinephrine

• Serotonin

• Endorphins