10 Questions
Why is vitamin K deficiency more common in infants?
Because vitamin K does not cross the placenta and breast milk has low levels
What is the clinical presentation of vitamin K deficiency in infants?
Bleeding
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
Why is vitamin K deficiency uncommon in adults?
Due to recycling of the vitamin and an adequate gut flora
What is the main reason for vitamin K deficiency being more common in infants than in adults?
Inability of vitamin K to cross the placenta
What is the most effective method for preventing vitamin K deficiency bleeding (VKDB) in infants?
Low-dose intramuscular injection of vitamin K
Why is vitamin K deficiency uncommon in adults, despite antibiotic therapy potentially causing deficiency?
More efficient recycling of vitamin K in adults
In infants, what contributes to the low levels of vitamin K and subsequent deficiency?
Low levels of vitamin K in breast milk
What is the primary cause of vitamin K deficiency in adults, besides poor dietary intake and antibiotic therapy?
Cholestatic liver disease
Why is supplementation of vitamin K necessary in exclusively breast-fed babies?
Breast milk has low levels of vitamin K
Learn about the risk factors, clinical presentation, and prevention of vitamin K deficiency in infants, also known as vitamin K deficiency bleeding (VKDB). Understand why supplementation of vitamin K is necessary to reduce the risk of bleeding, especially in exclusively breast-fed babies.
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