chapter 2 vocab Crossword

the strength by which a particular chemical messenger binds to its receptor site on a cell
a drug that binds to a particular receptor site and trigger's the cells response in a manner similar to the action of the body's own chemical messenger
a substance the produces an allergic response
an instance in which the immune system overreacts to an otherwise harmless substance
a severe allergic response resulting in immediate life threatening respiratory distress, usually followed by vascular collapse and shock and accompanied by hives
swelling under the skin that can be a like-threatening allergic reaction,manifested by a swelling of the tongue, lips, or eyes
a drug that binds to a receptor site and blocks the action of the endogenous messenger or other drugs
a foreign substance or toxin introduced into the body that stimulates an immune response
the fraction of drug made available at the site of physiological activity
a barrier that prevents many substances from entering the cerebrospinal fluid from the blood; formed by glial cells that envelope the capillaries in the central nervous system, presenting a barrier to many water
a point at which no clinical response occurs with increased dosage of drug
the rate at which a drug is eliminated from a specific volume of blood per unit of time
a process whereby a drug blocks enzyme activity and impairs the metabolism of another drug