Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

2 Views

Vitamin K Deficiency in Infants

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

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?

Due to recycling of the vitamin and an adequate gut flora Signup and view all the answers

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 Signup and view all the answers

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

Low-dose intramuscular injection of vitamin K Signup and view all the answers

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

More efficient recycling of vitamin K in adults Signup and view all the answers

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

Low levels of vitamin K in breast milk Signup and view all the answers

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

Cholestatic liver disease Signup and view all the answers

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

Breast milk has low levels of vitamin K Signup and view all the answers