Neurotransmitters

Question 1

CNS:

Acetylcholine

Answer 1

linked to attention and arousal

Question 2

PNS:

Acetylcholine

Answer 2

used to transmit nerve impulses to muscles

innervates basal ganglia and sweat glands

Question 3

What are the three catecholamines?

Answer 3

epinephrine, norepinephrine, and dopamine

Question 4

What does epinephrine do?

Answer 4

secreted by the adrenal medulla to act systemically as a hormone it is used during the sympathetic nervous system’s “fight or flight” response

Question 5

What does norepinephrine do?

Answer 5

acts at a local level as a neurotransmitter

low levels are seen in depression
high levels are seen in anxiety and mania

Question 6

What does dopamine do?

Answer 6

plays important role in movement and posture

imbalances may result in schizophrenia

Question 7

What neurotransmitter is Parkinson’s disease involved in?

Answer 7

dopamine

loss of dopaminergic neurons within the basal ganglia

Question 8

What does Serotonin do?

Answer 8

plays role in regulating mood, eating, sleeping and dreaming

thought to play role in depression and mania
over supply=mania
under supply=depression

Question 9

What does GABA do?

Answer 9

produces inhibitory post synaptic potentials and exerts its effects by causing hyperpolarization of post-synaptic membrane

Question 10

What does glycine do?

Answer 10

serves as a inhibitory neurotransmitter in the central nervous system by increasing chloride influx into the neuron

Question 11

What does glutamate do?

Answer 11

excititory neurotransmitter in CNS

Question 12

What do neuropeptides do?

Answer 12

neuropeptides-such as endorphins can act as natural painkillers