The fundamental cell type of the nervous system:
Neuron
During depolarization the membrane potential...
Increases
The synapse is the
space between two cells
One side effect of stimulants is _____ heart rate
higher
The drug group that LSD belongs to is called...
hallucinogens
Part of the cell that receives signals
The change of membrane potential is caused by a movement of _____
ions
The molecules released into the synapse to transmit information are called...
neurotransmitters
Nicotine is an example of a
stimulant
opioids
Part of the cell including the nucleus, mitochondria, etc...
Cell body/soma
Repolarization
Neurotransmitters are contained inside ______
vesicles
Tranquilizers are an example of a
depressant
Neurotransmitter that provides pain relief
endorphins
Layers of fat and protein that help speed up action potential:
Myelin sheaths
Resting membrane potential is...
-70 mV
muscle
Stimulants bind to _____, keeping neurotransmitters in the synapse
reuptake channels
The component of cannabis responsible for the "high" feeling is called
THC
Magnitude of neurons in the body (hundreds, millions, billions, trillions..?)
Billions
Depolarization is caused by the opening of which ion channel?
Na+ (sodium)
The _______ of the presynaptic cell is part of the synapse.
presynaptic terminal / axon terminal
Depressants cause opening of which ion channel?
Cl- (chlorine)
The receptors THC bind to are called
cannabinoid receptors