Download Neurotransmisson Practice

Name _________________________
Neurotransmission Practice
1. The extensions of the neuron that receives messages from other neurons are the
_____________.
2. The extensions of a neuron that transmit information to other neurons are the _____________;
some of these extensions are insulated by a layer of fatty cells called the ______________,
which help speed the neuron’s impulses.
3. The neural impulse, or ______________________-, is a brief electrical charge that travels
down a neuron.
4. The junction between two neurons is called a ______________.
5. The chemical messengers that convey information across the gaps between neurons are
called ___________________.
6. Neurotransmitters influence neurons either by _______________ or ______________ their
readiness to fire.
7. Excess neurotransmitters are reabsorbed to the sending neuron in a process called
_______________________.
8. Among the neurotransmitters that researchers have pinpointed is ________, which influences
movement, learning, attention, and emotions and seems to play a role in schizophrenia.
9. The neurotransmitter, ___________, affects mood, hunger, sleep, and arousal.
10. _____________ is an inhibitory neurotransmitter relating to hunger and sleep, and is
enhanced by alcohol consumption.
11. Naturally occurring opiate-like neurotransmitters that are present in the brain are called
________________. When the brain is flooded with drugs such as _____________ or
_____________________, it may stop producing these neurotransmitters.
12. Drugs that produce their effects by mimicking neurotransmitters are called
___________________. Drugs that block the effects of neurotransmitters by occupying their
receptor sites are called ____________________.
13. The tremors of _______ disease are due to the death of neurons that produce dopamine.
14. __________ helps attention and motor movement.
WORD BANK
Axon terminals
Action potential
Agonists
Dopamine
Antagonists
Exciting
GABA
Dendrites
Inhibiting
Endorphins
Morphine
Myelin sheath
Heroin
Norephinephrine
Parkinson’s
Neurotransmitters
Serotonin
Synapse
Reuptake