Routes of Drug Administration: Inhalation
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Questions and Answers

Which mechanism of drug absorption does not involve a carrier and is not saturable?

  • Active transport
  • Passive diffusion (correct)
  • Endocytosis
  • Facilitated diffusion
  • What is the driving force for passive diffusion of a drug?

  • Concentration gradient (correct)
  • Endocytosis
  • Carrier proteins
  • Energy consumption
  • Which type of drugs can readily move across most biologic membranes due to solubility in the membrane lipid bilayers?

  • Water-soluble drugs
  • Facilitated diffusion drugs
  • Lipid-soluble drugs (correct)
  • Endocytosis drugs
  • Which process allows the passage of drugs into the interior of cells without requiring energy?

    <p>Facilitated diffusion</p> Signup and view all the answers

    What is the half-life of oral morphine?

    <p>2 to 4 hours</p> Signup and view all the answers

    What are the advantages of the sublingual and buccal routes of drug administration?

    <p>Ease of administration, rapid absorption, bypass of harsh GI environment, avoidance of first-pass metabolism</p> Signup and view all the answers

    When are extended-release tablets needed for oral morphine administration?

    <p>When only two doses are needed</p> Signup and view all the answers

    Why is the parenteral route of drug administration used for certain drugs?

    <p>Poor absorption from the GI tract, instability in the GI tract, unconscious patients</p> Signup and view all the answers

    Which route of drug administration is effective for patients with respiratory disorders like asthma?

    <p>Oral Inhalation and Nasal Preparations</p> Signup and view all the answers

    When local, rapid effects are needed in the central nervous system, which route of drug administration is necessary?

    <p>Intrathecal</p> Signup and view all the answers

    Which route of administration is used when a local effect of the drug is desired?

    <p>Topical</p> Signup and view all the answers

    How does the transdermal route of administration achieve systemic effects?

    <p>By applying drugs to the skin via a transdermal patch</p> Signup and view all the answers

    Which route of administration allows for the most control over the amount of drug delivered to the body?

    <p>Intravenous (IV)</p> Signup and view all the answers

    Which parenteral route of administration is ideal for drugs that are not absorbed orally?

    <p>Intravenous (IV)</p> Signup and view all the answers

    Which type of preparations are absorbed slowly when administered intramuscularly?

    <p>Depot preparations</p> Signup and view all the answers

    What are the major parenteral routes of drug administration?

    <p>Intravenous (IV), intramuscular, subcutaneous, and intradermal</p> Signup and view all the answers

    What is the advantage of intravenous (IV) injection over other routes of administration?

    <p>Rapid effect and maximum control over drug delivery</p> Signup and view all the answers

    Which type of drugs are suitable for intravenous (IV) delivery?

    <p>Neuromuscular blockers like rocuronium</p> Signup and view all the answers

    What characterizes drugs administered intramuscularly (IM)?

    <p>Rapid absorption in nonaqueous vehicles</p> Signup and view all the answers

    Which route of parenteral administration provides the most control over the actual dose of drug delivered to the body?

    <p>Intravenous (IV)</p> Signup and view all the answers

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