Neurotransmitters Quiz

What is a neurotransmitter?

• A part of the brain

• A type of brain surgery

• A chemical messenger in the brain

• A type of brain scan

Which neurotransmitter is often called the "happy chemical" because it contributes to feelings of well-being and happiness?

• Acetylcholine

• Dopamine

• Serotonin

• GABA

What role does dopamine play in the brain?

• It causes sleepiness.

• It helps with learning and attention.

• It is responsible for muscle contraction.

• It regulates temperature.

Which neurotransmitter is primarily involved in the sleep-wake cycle?

• Serotonin

• Dopamine

• Melatonin

• Norepinephrine

What is the main function of acetylcholine?

• It helps regulate mood.

• It is involved in the body's stress response.

• It plays a role in muscle movement.

• It aids in digestion.

Which neurotransmitter is known for its role in the "fight or flight" response?

• Dopamine

• Norepinephrine

• GABA

• Serotonin

GABA is an inhibitory neurotransmitter. What does this mean?

• It speeds up brain activity.

• It slows down brain activity.

• It has no effect on brain activity.

• It only affects muscle activity.

Which neurotransmitter is decreased in people with Alzheimer's disease?

• Serotonin

• Dopamine

• Acetylcholine

• GABA

What is the role of glutamate in the brain?

• It is an inhibitory neurotransmitter.

• It is a hormone.

• It is an excitatory neurotransmitter.

• It is a protein.

How do drugs that treat depression typically work on neurotransmitters?

• They decrease the levels of neurotransmitters.

• They increase the levels of neurotransmitters.

• They have no effect on neurotransmitters.

• They change the neurotransmitters into hormones.