Vit K

13 Questions

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Vit K

Quiz on Vit K


Questions and Answers
  • 1. 
    K3 is the form of Vit K produced by intestinal bacteria
    • A. 

      True

    • B. 

      False

  • 2. 
    Vit K is involved in: (can choose more than 1)
    • A. 

      Blood clotting process

    • B. 

      An essential cofactor for carboxylases in the liver

    • C. 

      Maintaining epithelial cell integrity

    • D. 

      Bone metabolism

  • 3. 
    Enough vit k is made endogenously for 1/2 of our total requirements
    • A. 

      True

    • B. 

      False

  • 4. 
    New born babies can be given a vit k                              (1) to prevent                                                                  (5 words)
  • 5. 
    Vit K injections for new borns are mandatory in NZ
    • A. 

      True

    • B. 

      False

  • 6. 
    Osteoblasts require vit K for the secretion of oseteocalcin
    • A. 

      True

    • B. 

      False

  • 7. 
    Which of these explain why newborns are at risk of vit K deficiency?
    • A. 

      Sterile intestinal tract so cannot make Vit K

    • B. 

      Havn't had enough exposure to the sun

    • C. 

      Vit K cannot cross the placenta

    • D. 

      Breast milk is low in Vit K

  • 8. 
    Megadoses of Vit A inhibit absorption of Vit K
    • A. 

      True

    • B. 

      False

  • 9. 
    Vit K is readily excreted in faces so toxicity due to build up is not common
    • A. 

      True

    • B. 

      False

  • 10. 
    The RDI for Vit K is 150mg/day
    • A. 

      True

    • B. 

      False

  • 11. 
    Vit K increases the efficiency of anticoagulant drugs such as warfarin
    • A. 

      True

    • B. 

      False

  • 12. 
    A Vit K deficiency is defined as:                                           blood coagulation factors in circulation
  • 13. 
    Long term antibiotic users are at risk of a vit K deficiency
    • A. 

      True

    • B. 

      False