Neurotransmitters Flashcards
1
Q
What is the most common type of neurotransmitter?
A
ACh
2
Q
What cell types use ACh?
A
Striated skeletal muscle; various brain cells; presynaptic autonomic neurons ( sympathetic and parasympathetic)
3
Q
ACh function
A
decreases heart rate; relaxes smooth muscle in gastrointestinal tract
4
Q
Serotonin
A
monoamine; fast excitatory synaptic transmission