Neurotransmitters & Hormones

Which neurotransmitter is primarily associated with muscle movement and memory?

• Dopamine

• Acetylcholine

• Serotonin

• GABA

What is the main function of serotonin in the brain?

• Regulating mood and sleep

• Controlling voluntary muscle movement

• Increasing heart rate

• Enhancing pain perception

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

• Melatonin

• Adrenaline

• Leptin

• Glutamate

Which chemical messenger is most closely linked to feelings of pleasure and reward?

• Dopamine

• Substance P

• Oxytocin

• Ghrelin

What is the primary inhibitory neurotransmitter in the central nervous system that prevents overstimiulation?

• Glutamate

• GABA

• Endorphins

• Norepinephrine

Which hormone is most involved in the regulation of appetite and energy balance?

• Leptin

• Melatonin

• Oxytocin

• Substance P

Which neurotransmitter is primarily responsible for transmitting pain signals to the brain?

• Endorphins

• Substance P

• Dopamine

• Serotonin

Which neurotransmitter is the main excitatory neurotransmitter in the brain which aids learning and memory?

• GABA

• Glutamate

• Norepinephrine

• Melatonin

Which hormone is released by the pineal gland and helps regulate sleep-wake cycles?

• Melatonin

• Ghrelin

• Adrenaline

• Dopamine

Which hormone is often called the "love hormone" due to its role in social bonding?

• Oxytocin

• Serotonin

• Endorphins

• Norepinephrine