What determines the effect of a neurotransmitter on the target cell?
Receptor on the postsynaptic membrane
Receptor on the presynaptic membrane
Neurotransmitter
All a, b, c
None
3 hrs. before a surgery Jane experences “jitters,” and elevated heart rate and blood pressure, increased rate of breathing, and cold sweats. Symptoms off
Increased parasympathetic activity
Decreased levels of EP in the blood
Sympathetic activation
Decreased activity of sympathetic center in the hypothalamus.
Both C and D
3) John is taking a drug that causes side affects such as dryness of the mouth and speeding of the heart rate with no affect to his use of skeletal muscles. What receptor does his drug block?Explain.
