Vit K
13 Questions
| Attempts: 137
Quiz on Vit K
Questions and Answers
- 1.
K3 is the form of Vit K produced by intestinal bacteria
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
K2 is the form produced by intestinal bacteria in the large intestineRate this question:
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- 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
Correct Answer(s)
A. Blood clotting process
B. An essential cofactor for carboxylases in the liver
D. Bone metabolism -
- 3.
Enough vit k is made endogenously for 1/2 of our total requirements
- A.
True
- B.
False
Correct Answer
A. True -
- 4.
New born babies can be given a vit k (1) to prevent (5 words)
Correct Answer
injection
hemorrhagic disease of the newborn - 5.
Vit K injections for new borns are mandatory in NZ
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
they are recommended by the governementRate this question:
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- 6.
Osteoblasts require vit K for the secretion of oseteocalcin
- A.
True
- B.
False
Correct Answer
A. True -
- 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
Correct Answer(s)
A. Sterile intestinal tract so cannot make Vit K
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
Correct Answer
A. True -
- 9.
Vit K is readily excreted in faces so toxicity due to build up is not common
- A.
True
- B.
False
Correct Answer
A. True -
- 10.
The RDI for Vit K is 150mg/day
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
There is no RDI for Vit K as we synthesis some of it endogenouslyRate this question:
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- 11.
Vit K increases the efficiency of anticoagulant drugs such as warfarin
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Vit K promotes blood clotting, drugs such as warfarin try to stop the blood clotting so Vit K is DECREASING the efficiency.Rate this question:
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- 12.
A Vit K deficiency is defined as: blood coagulation factors in circulation
Correct Answer
undercarboxylated
under carboxylated
under-carboxylated - 13.
Long term antibiotic users are at risk of a vit K deficiency
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Kills the Vit K making bacteria in the large intestineRate this question:
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Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
-
Jan 18, 2013Quiz Edited by
ProProfs Editorial Team -
Oct 22, 2010Quiz Created by
Cyarnton
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