more th choose the following C) postganglionic sympathelic- sympathetic 19) Binding of acetylichoine to sodium to permeate the membrane. A) muscarinic ta hyperpolarization C) nicotinic : a hyperpolarization 20) We know that the parasympathetic nervous system constricis puplis while the sympathetic nervous syntem belladonna, meaning "beautiruliady. Why does atropine is a muscarinic receptor agonist (B) Atropine is a muscarinic receptor antagonist. C) Atropine is an alpha 1-adrenergicreceptoragonist D) Atropine is a alpha, 1 -adrenergic receptor antagonist E) Atropine is a nicotinic receptor agonist F) Atropine is a nicotinic receptor antagonist 21) Where on skeletal muscle is the highest density of nicotinic receptors? A) terminal bouton B) axon hillock C) motor unit D) motor end plate E) dendrites 22) What is the graded change in membrane potential that occurs at the motor end plate of skeletal muscle called? (A) end-plate potential B) muscarinic potential C) adrenergic potential D) inhibitory postsynaptic potential E) action potential.

1. more th choose the following C) postganglionic sympathelic- sympathetic 19) Binding of
acetylichoine to sodium to permeate the membrane. A) muscarinic ta hyperpolarization C)
nicotinic : a hyperpolarization 20) We know that the parasympathetic nervous system constricis
puplis while the sympathetic nervous syntem belladonna, meaning "beautiruliady. Why does
atropine is a muscarinic receptor agonist (B) Atropine is a muscarinic receptor antagonist. C)
Atropine is an alpha 1-adrenergicreceptoragonist D) Atropine is a alpha, 1 -adrenergic receptor
antagonist E) Atropine is a nicotinic receptor agonist F) Atropine is a nicotinic receptor
antagonist 21) Where on skeletal muscle is the highest density of nicotinic receptors? A) terminal
bouton B) axon hillock C) motor unit D) motor end plate E) dendrites 22) What is the graded
change in membrane potential that occurs at the motor end plate of skeletal muscle called? (A)
end-plate potential B) muscarinic potential C) adrenergic potential D) inhibitory postsynaptic
potential E) action potential