Vit K

Long term antibiotic users are at risk of a vit K deficiency

• True

• False

Enough vit k is made endogenously for 1/2 of our total requirements

• True

• False

Vit K is readily excreted in faces so toxicity due to build up is not common

• True

• False

K3 is the form of Vit K produced by intestinal bacteria

• True

• False

The RDI for Vit K is 150mg/day

• True

• False

Vit K increases the efficiency of anticoagulant drugs such as warfarin

• True

• False

Megadoses of Vit A inhibit absorption of Vit K

• True

• False

Vit K is involved in: (can choose more than 1)

• Blood clotting process

• An essential cofactor for carboxylases in the liver

• Maintaining epithelial cell integrity

• Bone metabolism

Which of these explain why newborns are at risk of vit K deficiency?

• Sterile intestinal tract so cannot make Vit K

• Havn't had enough exposure to the sun

• Vit K cannot cross the placenta

• Breast milk is low in Vit K

Vit K injections for new borns are mandatory in NZ

• True

• False

New born babies can be given a vit k                              (1) to prevent                                                                  (5 words)

A Vit K deficiency is defined as:                                           blood coagulation factors in circulation