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11 Cards in this Set

  • Front
  • Back
For all drugs, administration is followed by movement of the drug into the blood plasma, a process called?
Absorption includes movement of a drug into the blood by?
across the mucosa-lined epithelial surfaces of the lungs, gastrointestinal tract, nasal passages, and vagina, across the skin and the surface of the eye, and from injection sites (subcutaneous, intramuscular, and intraspinal).
Absorption occurs regardless of?
whether or not absorption is required for the desired drug action.
A drug applied orally must cross the ………….. if it is to reach sites of action such as the heart, brain, and skeletal muscle.
wall of the gastrointestinal tract and enter the plasma
A drug applied by inhalation with desired effects in the …….. must enter the plasma in order to reach the that site of action.
central nervous system
A drug applied on the skin for a desired effect at the site of administration will still be absorbed?
across the skin and enter the systemic circulation.
A drug which is inhaled (as an aerosol) in order to have effect ……….. will still be absorbed across the epithelium of this system and will enter the systemic circulation.
on the bronchiole system
Absorption at a given site may be enhanced or reduced by?
alteration of the formulation of the drug.
As defined, absorption does not occur when a drug is applied by?
intravenous injection or infusion.
Movement of Drug Molecules across cell membranes and across layers of cells is obviously required for?
absorption of a drug to occur.
It's important to realize that the same processes by which drug molecules move across cell membranes and cell layers during absorption into the plasma from the site of administration are also important for movement of drug molecules…………?
out of the plasma in any tissue or organ, and for movement of drug molecules across cell membranes and cell layers within a tissue or organ.