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Biopharmaceutics: Core Concepts MCQs

Waraq Pharm-D Review: Biopharmaceutics · Pharm-D / Pharmacy · 15 practice questions

1. Two products are bioequivalent when they have:

  1. AThe same price
  2. BThe same manufacturer
  3. CSimilar rate and extent of absorption
  4. DThe same colour
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C. Similar rate and extent of absorption They give comparable plasma concentration-time profiles.

2. Only which fraction of a drug is pharmacologically active?

  1. AThe free (unbound) fraction
  2. BThe protein-bound fraction
  3. CThe metabolite
  4. DThe tissue-stored fraction
Show answer

A. The free (unbound) fraction Bound drug cannot cross membranes or bind receptors.

3. Bioavailability is:

  1. AThe rate and extent at which a drug reaches the systemic circulation
  2. BThe amount of drug in the tablet
  3. CThe dose
  4. DThe half life
Show answer

A. The rate and extent at which a drug reaches the systemic circulation It is measured by comparing plasma concentrations over time.

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