#1
Which part of the neuron receives signals from other neurons?
Dendrite
ExplanationReceives signals.
#2
Which neurotransmitter is associated with pleasure and reward?
Dopamine
ExplanationPleasure and reward.
#3
What is the role of the frontal lobe in the brain?
Motor function and higher-order thinking
ExplanationMotor function and thinking.
#4
Which part of the nervous system is responsible for the fight or flight response?
Sympathetic nervous system
ExplanationManages fight or flight.
#5
Which neurotransmitter is primarily associated with sleep, mood, and appetite?
Serotonin
ExplanationSleep, mood, and appetite.
#6
What is the function of the hypothalamus in the brain?
Regulating body temperature and hunger
ExplanationRegulates temperature and hunger.
#7
What is the main function of the myelin sheath?
To speed up the transmission of nerve impulses
ExplanationIncreases transmission speed.
#8
Which area of the brain is responsible for regulating vital functions such as heartbeat and breathing?
Medulla oblongata
ExplanationRegulates vital functions.
#9
What is the function of the neurotransmitter GABA (gamma-aminobutyric acid)?
To inhibit neural activity and reduce anxiety
ExplanationInhibits neural activity and reduces anxiety.
#10
Which part of the neuron sends signals to other neurons or cells?
Axon
ExplanationSends signals.
#11
What is the neurotransmitter associated with the body's natural pain relief?
Endorphins
ExplanationNatural pain relief.
#12
What is the function of the amygdala in the brain?
Processing emotions and fear responses
ExplanationProcesses emotions and fear.
#13
What is synaptic pruning?
The process of removing excess neurons and synapses to increase efficiency
ExplanationIncreases efficiency by removing excess.
#14
What is the function of the hippocampus in the brain?
Memory formation and spatial navigation
ExplanationMemory and navigation.
#15
Which part of the neuron contains the nucleus?
Cell body
ExplanationContains nucleus.
#16
What is the function of the corpus callosum?
Connecting the two hemispheres of the brain and facilitating communication between them
ExplanationConnects hemispheres and facilitates communication.
#17
What is neuroplasticity?
The brain's ability to adapt and reorganize itself by forming new neural connections
ExplanationBrain's adaptability.