Which of the following describes the four processes involved in pharmacokinetics in the correct order?
a. absorption, distribution, metabolism, and excretion
b. absorption, metabolism, distribution, and excretion
c. distribution, absorption, metabolism, and excretion
d. absorption, distribution, bioavailability, and excretion
a. absorption, distribution, metabolism, and excretion
FEEDBACK: a. absorption, distribution, bioavailability, and excretion
b. Incorrect. Distribution of a drug or chemical needs to occur prior to metabolism. Try again.
c. A chemical cannot be distributed without absorption into the bloodstream or tissue level. Try again.
d. Bioavailability is a fraction of the administered dose that is delivered to the systemic circulation, whereas metabolism is the actual chemical alteration that substances undergo in the body, typically occurring in the liver. Try again.
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