Dosage Forms

• What are the routes of drug administration?

  Oral, injections, ocular, aural, pulmonary, vaginal, rectal, nasal, topical, transdermal, implants
• What does biopharmaceutics study?

  How drug properties affect absorption rates
• What is bioavailability?

  The rate and extent of drug absorption
• What are the biopharmaceutical aspects of pharmacokinetics?

  • Absorption: drug must be in solution
  • Distribution: how drug spreads in the body
  • Metabolism: how drug is processed
  • Excretion: how drug is eliminated
• What does ADME stand for in pharmacokinetics?

  Absorption, Distribution, Metabolism, Excretion
• What is the GI journey in drug absorption?

  • Mouth
  • Stomach
  • Small Intestine
  • Large Intestine
  • Rectum
  • Liver
  • Circulatory System
  • Skin
  • Lungs
• What is the first step in the GI journey?

  Mouth
• What is the last step in the GI journey?

  Lungs
• Why must a drug be in solution form for absorption?

  It allows the drug to enter body fluids
• How do the routes of administration affect drug absorption?

  Different routes have varying absorption rates
• If a drug is administered intravenously, how does it affect absorption?

  It provides immediate drug availability
• What is the role of the liver in drug metabolism?

  It processes drugs for elimination
• What is the significance of the circulatory system in drug distribution?

  It transports drugs to various body tissues
• What is the purpose of topical and transdermal routes?

  To deliver drugs through the skin
• How does the pulmonary route function in drug administration?

  It delivers drugs directly to the lungs
• What is the function of implants in drug administration?

  To provide sustained drug release
• How do injections differ in terms of administration routes?

  They can be intravenous, intramuscular, or subcutaneous
• What is the significance of the aural route in drug administration?

  It delivers drugs directly to the ear
• What is the purpose of the nasal route in drug administration?

  To deliver drugs through the nasal cavity
• What is the role of the rectal route in drug administration?

  To deliver drugs through the rectum
• What is the purpose of the ocular route in drug administration?

  To deliver drugs directly to the eye
• What is the significance of the buccal and sublingual routes?

  They allow for rapid absorption through mucous membranes