Vitamin K Deficiency in Infants
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Questions and Answers

Why is vitamin K deficiency more common in infants?

  • Because breast milk contains high levels of vitamin K
  • Because vitamin K does not cross the placenta and breast milk has low levels (correct)
  • Because infants have a high colonic bacterial synthesis
  • Because vitamin K crosses the placenta easily

What is the clinical presentation of vitamin K deficiency in infants?

  • Bleeding (correct)
  • Breathing difficulties
  • Fever and rash
  • Vomiting and diarrhea

How is vitamin K deficiency bleeding (VKDB) prevented in exclusively breast-fed babies?

  • Through oral replacement with a single 1 mg dose of vitamin K (correct)
  • By reducing the amount of breast milk consumed
  • By increasing colonic bacterial synthesis
  • Through intravenous injection of vitamin K

Why is vitamin K deficiency uncommon in adults?

<p>Due to recycling of the vitamin and an adequate gut flora (C)</p> Signup and view all the answers

What is the main reason for vitamin K deficiency being more common in infants than in adults?

<p>Inability of vitamin K to cross the placenta (B)</p> Signup and view all the answers

What is the most effective method for preventing vitamin K deficiency bleeding (VKDB) in infants?

<p>Low-dose intramuscular injection of vitamin K (D)</p> Signup and view all the answers

Why is vitamin K deficiency uncommon in adults, despite antibiotic therapy potentially causing deficiency?

<p>More efficient recycling of vitamin K in adults (A)</p> Signup and view all the answers

In infants, what contributes to the low levels of vitamin K and subsequent deficiency?

<p>Low levels of vitamin K in breast milk (C)</p> Signup and view all the answers

What is the primary cause of vitamin K deficiency in adults, besides poor dietary intake and antibiotic therapy?

<p>Cholestatic liver disease (B)</p> Signup and view all the answers

Why is supplementation of vitamin K necessary in exclusively breast-fed babies?

<p>Breast milk has low levels of vitamin K (D)</p> Signup and view all the answers

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