Vitamin K (Phytonadione) Flashcards
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Questions and Answers

What is the therapeutic classification of phytonadione?

  • Analgesics
  • Antipyretics
  • Vitamins, antidote (correct)
  • Antibiotics
  • What is the pharmacologic classification of phytonadione?

  • Fat-soluble vitamins (correct)
  • Electrolytes
  • Minerals
  • Water-soluble vitamins
  • What are the routes of administration for phytonadione?

    PO, IM, SubQ, IV

    What are some side effects of phytonadione?

    <p>Erythema, pain &amp; swelling at site, hyperbilirubinemia, allergic reaction (rash &amp; hives), GI upset, unusual taste</p> Signup and view all the answers

    Nursing implications include assessing for __________ bleeding and monitoring prothrombin time throughout therapy.

    <p>frank and occult</p> Signup and view all the answers

    What should clients be advised regarding bleeding or bruising while on phytonadione?

    <p>Report unusual bleeding or bruising, avoid using razors, do not floss and use a soft toothbrush until coagulation defect is corrected.</p> Signup and view all the answers

    What action does phytonadione perform in the body?

    <p>Required for hepatic synthesis of blood coagulation factors II (prothrombin), VII, IX, and X</p> Signup and view all the answers

    What are some indications for administering phytonadione?

    <p>Used for synthesis of prothrombin and factors VII, IX, and X needed for blood coagulation, given for malabsorption diseases, severe diarrhea from antibiotic use, or newborn deficiency</p> Signup and view all the answers

    Study Notes

    Therapeutic Classification

    • Vitamin K serves both as a vitamin and an antidote in medical treatments.

    Pharmacologic Classification

    • Classified as a fat-soluble vitamin, important for various body functions.

    Administration Routes

    • Can be administered via several routes: orally (PO), intramuscularly (IM), subcutaneously (SubQ), or intravenously (IV).

    Side Effects

    • Common side effects include:
      • Erythema (skin redness)
      • Pain and swelling at the injection site
      • Hyperbilirubinemia (high bilirubin levels)
      • Allergic reactions, presenting as rash or hives
      • Gastrointestinal upset
      • Unusual taste sensation

    Nursing Implications

    • Nurses should assess for both visible and hidden (occult) bleeding.
    • It's crucial to monitor prothrombin time (PT) during the entire course of treatment.
    • Vitamin K is the antidote for overdose or adverse effects of Coumadin (warfarin).

    Client Teaching

    • Clients should report any unusual bleeding or bruising immediately.
    • Advising clients to avoid using razors, refrain from flossing, and use a soft toothbrush until their coagulation status is normalized.
    • Clients must consult healthcare providers before taking any over-the-counter (OTC) or herbal products.

    Mechanism of Action

    • Essential for the hepatic (liver) synthesis of blood coagulation factors:
      • Factor II (prothrombin)
      • Factors VII, IX, and X

    Additional Information

    • Indications for administration include:
      • Supporting prothrombin and coagulation factor synthesis
      • Treatment for malabsorption conditions, severe diarrhea resulting from antibiotic therapy, or deficiency in newborns.

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    Description

    Test your knowledge of phytonadione, also known as vitamin K, through these informative flashcards. Each card covers essential aspects including therapeutic classification, pharmacologic classification, administration routes, side effects, and nursing implications. Perfect for students and healthcare professionals alike.

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