Vit K
13 Questions
| Total Attempts: 67
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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
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