2025-neuron, Synapse & Neurotransmitters

Which neurotransmitter is released by motor neurons and stimulates muscle contraction?

• Dopamine (DA)

• GABA (gamma-aminobutyric acid)

• Acetocholine (Ach)

• Serotonin

Which neurotransmitter is involved in arousal, flight/fight response, and elevated heart rate?

• Acetocholine (Ach)

• Dopamine (DA)

• Serotonin

• Norepinephrine (NE)

Which neurotransmitter is associated with addiction?

• Acetocholine (Ach)

• Dopamine (DA)

• Serotonin

• GABA (gamma-aminobutyric acid)

Which neurotransmitter is involved in the regulation of mood and emotions?

• GABA (gamma-aminobutyric acid)

• Serotonin

• Dopamine (DA)

• Acetocholine (Ach)

Which neurotransmitter helps to offset excitatory messages and regulate daily sleep-wake cycles?

• GABA (gamma-aminobutyric acid)

• Dopamine (DA)

• Serotonin

• Acetocholine (Ach)

Which neurotransmitter is involved in pain perception and positive emotions, similar to the opiate family of drugs?

• Endorphins

• Dopamine (DA)

• GABA (gamma-aminobutyric acid)

• Acetocholine (Ach)

Which neurotransmitter is used in memory and is the most abundant in the brain?

• GABA (gamma-aminobutyric acid)

• Serotonin

• Dopamine (DA)

• Glutamate

What is the effect of a deficit of serotonin?

• Severe Muscle Spasms

• Anxiety, seizures, tremors, and insomnia

• Depression, mood disorders

• Body experiences pain

Tags

NGSS.HS-LS1-3

Which neurotransmitter is associated with the regulation of mood, appetite, and sleep?

• Dopamine (DA)

• Acetocholine (Ach)

• Serotonin

• GABA (gamma-aminobutyric acid)

What is the effect of a surplus of dopamine?

• Depression, mood disorders

• Anxiety, seizures, tremors, and insomnia

• Schizophrenia

• Body experiences pain