Nervous System Basics
Action Potentials
The Synapse
Stimulants and Depressants
Opioids and Hallucinogens
100

The fundamental cell type of the nervous system:

Neuron

100

During depolarization the membrane potential...

Increases

100

The synapse is the

space between two cells

100

One side effect of stimulants is _____ heart rate

higher

100

The drug group that LSD belongs to is called...

hallucinogens

200

Part of the cell that receives signals

Dendrites
200

The change of membrane potential is caused by a movement of _____

ions

200

The molecules released into the synapse to transmit information are called...

neurotransmitters

200

Nicotine is an example of a 

stimulant

200
Anesthesia belongs to which group of drugs?

opioids

300

Part of the cell including the nucleus, mitochondria, etc...

Cell body/soma

300
Part of action potential where membrane potential decreases is 

Repolarization

300

Neurotransmitters are contained inside ______

vesicles

300

Tranquilizers are an example of a

depressant

300

Neurotransmitter that provides pain relief

endorphins

400

Layers of fat and protein that help speed up action potential:

Myelin sheaths

400

Resting membrane potential is...

-70 mV

400
Synapses are found between neurons and neurons as well as neurons and _____ cells

muscle

400

Stimulants bind to _____, keeping neurotransmitters in the synapse

reuptake channels

400

The component of cannabis responsible for the "high" feeling is called

THC

500

Magnitude of neurons in the body (hundreds, millions, billions, trillions..?)

Billions

500

Depolarization is caused by the opening of which ion channel?

Na+ (sodium)

500

The _______ of the presynaptic cell is part of the synapse.

presynaptic terminal / axon terminal

500

Depressants cause opening of which ion channel?

Cl- (chlorine)

500

The receptors THC bind to are called

cannabinoid receptors