A measure of how quickly a drug is eliminated from the body is known as the
a. TI.
b. VD.
c. L/T ratio.
d. T1/2.
Q. 2 An allergic or immune-mediated reaction to a drug, which can be serious, requiring airway maintenance or ventilatory assistance is called
a. potency.
b. hypersensitivity.
c. potentiation.
d. additivity.
Q. 3 The lining of the lower respiratory tract presents barriers to drug absorption and includes which of the following elements? 1. Airway surface liquid 2. Capillary vascular network 3. Epithelial cells 4. Interstitium
a. 1 and 2 only
b. 1 and 3 only
c. 1, 2, and 3 only
d. 1, 2, 3, and 4
Q. 4 The study of genetic factors and their influence on drug response is termed
a. pharmacogenetics.
b. functional antagonism.
c. competitive antagonism.
d. pharmacokinetics.
Q. 5 The drug methacholine can stimulate parasympathetic receptors in the airways, causing bronchoconstriction. Epinephrine can stimulate 2 receptors in the airways, causing bronchodilation.
These two opposing effects that cancel each other out are an example of
a. chemical antagonism.
b. functional antagonism.
c. competitive antagonism.
d. synergism.
Q. 6 The difference between the minimal therapeutic and toxic concentrations of a drug is known as the
a. TI.
b. VD.
c. L/T ratio.
d. T1/2.
Q. 7 A perfectly efficient aerosol delivery device would theoretically have an L/T ratio of which of the following?
a. 0
b. 0.5
c. 0.75
d. 1.0
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