Since curare blocks nicotinic receptors, it stands to reason that this drug is often used to
a. tighten wrinkled skin.
b. block pain reactivity during tooth extractions.
c. minimize muscle weakness in persons suffering from myasthenia gravis.
d. dilate the pupils of the eyes.
e. induce relaxation during surgery.
Question 2
A drug that blocks acetylcholinesteras e in brain would be expected to
a. permanently damage brain cholinergic neurons.
b. decrease the amount of acetylcholine in the synapse.
c. increase the synaptic levels of acetylcholine.
d. alter the activity of the cholinergic autoreceptors.
e. reduce the rate of reuptake of acetylcholine into glial cells.
Effect of pH on drug absorption: (a) a weak acid such as aspirin (ASA) is in a nonionized form in an
Single-dose drug administration: pharmacokinetic values for this drug are as follows: onset of actio
Cannabinoid Receptors in a Rat Brain
Phases of Drug Development
Graph showing oral administration of a single-dose drug. The time of onset is 2 hours and the end of ...
Illustration of a receptor on the surface of a cell with the drug. An agonist drug (key) binds to ...