8 - Synaptic Transmission and Drug Effects

Question 1

At resting potential, which chemicals can pass freely through the membrane?

Answer 1

Water, oxygen and carbon dioxide

Question 2

What are the major excitatory neurotransmitters?

Answer 2

Acetylcholine, glutamate, norepinephrine

Question 3

What are the major inhibitory neurotransmitters?

Answer 3

Dopamine, GABA, gylcine, serotonin

Question 4

What is the most common excitatory neurotransmitter in the brain?

Answer 4

Glutamate

Question 5

What is the most common inhibitory neurotransmitter in the brain?

Answer 5

GABA

Question 6

What happens if post-synaptic activation slightly opens sodium gates?

Answer 6

Depolarization

Question 7

What happens if post-synaptic activation slightly opens calcium gates?

Answer 7

Hyperpolarizatoin

Question 8

In what area do must addictive drugs stimulate dopamine release?

Answer 8

Nucleus accumbens

Question 9

Otto Loewi won the Nobel Prize in 1936 for his discovery of?

Answer 9

The chemical nature of neurotransmission