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.
Subcutaneous drug administration: (d) the needle is removed and the puncture site is covered with an
Intramuscular drug administration: (a) cross section of skin showing depth of needle insertion
Movement of a drug through the body (pharmacokinetics): absorption, distribution, metabolism, and ...
First-pass metabolism (biotransformation). Absorption of an orally administered drug.
Plasma insulin binds to receptors on target cells to enter the cells, which starts actions that lead ...
The conserved DNA-binding domain in steroid receptors