Neurotransmitters

Question 1

Acetylcholine (ACh)

Answer 1

Acetylcholine- Stimulate Skeletal muscle contraction, Inhibits cardiac muscle, Inhibit or excites smooth muscle and glands

Question 2

Dopamine

Answer 2

Biogenic amines - produces inhibitory activity in the brain, important roles in cognition, motivation, behavior and mood. Decreased levels in Parkinson’s

Question 3

Norepinephrine

Answer 3

Biogenic amines - amphetamines Increase release, cocaine decreases removal from synaptic cleft

Question 4

Epinephrine

Answer 4

Biogenic amines - has various effects on the thalamus, hypothalamus, and spinal cord

Question 5

Histamine

Answer 5

Biogenic amines - plays a role in sleep and memory

Question 6

Serotonin

Answer 6

Biogenic amines - related to sleep, appetite, cognition and mood. Prozac decreases reuptake

Question 7

Gamma- aminobutyric acid (GABA)

Answer 7

Amino acid- inhibitory neurotransmitter, influences muscle tone

Question 8

Beta-endorphin

Answer 8

Neuropeptides- prevents release of pain signals from neurons and fosters a feeling of well-being

Question 9

Adenosine

Answer 9

Has an inhibitory effect on neurons in the brain and spinal cord