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Questions and Answers
What is the main function of acetylcholine (ACh) in the body?
What is the main function of acetylcholine (ACh) in the body?
- It has no significant function in the body.
- It is involved in the action of muscles, learning, and memory. (correct)
- It inhibits the firing of neurons and blocks muscle movement.
- It is a neurotransmitter found only in the peripheral nervous system.
What is the role of GABA in the brain?
What is the role of GABA in the brain?
- GABA is responsible for exciting many neurons to fire.
- GABA is a neurotransmitter that is only found in the peripheral nervous system.
- GABA is a neurotransmitter that helps control the precision of signals between neurons. (correct)
- GABA has no significant function in the brain.
Which of the following is true about the number of neurotransmitters in the brain?
Which of the following is true about the number of neurotransmitters in the brain?
- The precise number of neurotransmitters that exist is unknown, but scientists have identified more than 100 in the brain alone. (correct)
- The precise number of neurotransmitters that exist is known to be exactly 100.
- Neurotransmitters are only found in the human brain, not in other organisms.
- There are only a handful of neurotransmitters that exist in the brain.
What is the effect of the black widow spider's venom on acetylcholine (ACh)?
What is the effect of the black widow spider's venom on acetylcholine (ACh)?
How do some medications used to treat Alzheimer's disease work?
How do some medications used to treat Alzheimer's disease work?
What is the role of glutamate in the brain?
What is the role of glutamate in the brain?
What is the role of some neurotransmitters in neurons?
What is the role of some neurotransmitters in neurons?
How do neurotransmitters move across the synaptic gap?
How do neurotransmitters move across the synaptic gap?
What happens when a neurotransmitter fits into a receptor site?
What happens when a neurotransmitter fits into a receptor site?
What can substances like drugs do in relation to receptor sites?
What can substances like drugs do in relation to receptor sites?
How many types of neurotransmitters do most neurons secrete?
How many types of neurotransmitters do most neurons secrete?
What is the primary way that the venom of the black widow spider harms?
What is the primary way that the venom of the black widow spider harms?
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