The following are true about acetylcholine receptors:
a. receptors at all autonomic ganglia are nicotinic
b. receptors at the skeletal neuromuscular junction are muscarinic
c. acetylcholine receptors in the autonomic ganglia can be selectively blocked by atropine
d. acetylcholine receptors in the neuromuscular junction can be selectively blocked by tubocurarine
a. receptors at all autonomic ganglia are nicotinic
b. receptors at the skeletal neuromuscular junction are muscarinic
c. acetylcholine receptors in the autonomic ganglia can be selectively blocked by atropine
d. acetylcholine receptors in the neuromuscular junction can be selectively blocked by tubocurarine