Which part of the neuron allows the ions to cross the cell membrane via the ion channels?

soma
Nodes of Ranvier
axon
myelin sheath

______________ open potassium (K+) channels releasing potassium ions trapped within the postsynaptic cell which creates a negative internal charge decreasing the probability of an action potential.

Excitatory postsynaptic potential
Excitatory neurotransmitters
Inhibitory postsynaptic potential
Inhibitory neurotransmitters

Lesions to the ____________ abolish cocaine and amphetamine self-administration suggesting that this area plays a key role in the reinforcing effects of drug-self administration.

Nucleus accumbens
Striatum
Ventral tegmental area
Substantia nigra

The functions of which neurotranmitter's receptors are vitally important for long term potentiation?

Dopamine
GABA
Glutamate
Serotonin

Drugs are classified as antagonistic if they fit a receptor imperfectly and thus block the action of the neurotransmitter.

True
False

The neurotransmitter _____________ is best known for its role in positive mood.

Dopamine
Serotonin
GABA
Glutamate

Following electrical induction of muscle movements in frogs' legs, who put forth the notion that electrical energy mediated the transduction of sensory information into muscular activity?

Golgi
Galvani
Huxley
Descartes

Alcohol is a relaxant through its targeting of ______________ receptor/s.

GABA
Glutamate
Opioid
GABA & glutamate

The rewarding effects of THC is thought to be mediated by a complex interplay of which neurotransmitter systems?

Cannabinoid & Dopamine
Cannabinoid & GABA
Cannabinoid, GABA & Dopamine
GABA & Dopamine

Changes in neurotransmission at the ________________ are the basis for learning and behaviour, and it is here that drugs act to create addiction.

terminal button
dendrite
neurotransmitter
synaptic cleft