Vitamin A Chemistry and Sources

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

Which vitamin acts as a coenzyme in carbohydrate metabolism, catalyzing decarboxylation of ketoacids and in hexose monophosphate shunt?

  • Vitamin A
  • Vitamin C
  • Vitamin E
  • Thiamine (vitamin B1) (correct)

What is the physiological role of thiamine pyrophosphate in the body?

  • Catalyzing fatty acid synthesis
  • Promoting bone growth
  • Acting as a coenzyme in carbohydrate metabolism (correct)
  • Aiding in protein breakdown

Which substance is involved in the intracellular transport of long-chain fatty acids?

  • Thiamine
  • Carnitine (correct)
  • Vitamin C
  • Vitamin E

Why are water-soluble vitamins like thiamine not stored in large amounts in tissues?

<p>They are rapidly excreted in urine (B)</p> Signup and view all the answers

What are some dietary sources of thiamine (vitamin B1)?

<p>Green vegetables and pulses (A)</p> Signup and view all the answers

Which vitamin deficiency may lead to neurological symptoms such as dry beriberi?

<p>Thiamine (vitamin B1) deficiency (C)</p> Signup and view all the answers

What is the main symptom associated with wet beriberi, a manifestation of thiamine deficiency?

<p>Cardiovascular symptoms (D)</p> Signup and view all the answers

Which vitamin plays a role in neuromuscular transmission and carbohydrate metabolism?

<p>Vitamin B1 (thiamine) (A)</p> Signup and view all the answers

What is the main function of carnitine in the body?

<p>Intracellular transport of long-chain fatty acids (A)</p> Signup and view all the answers

What happens when large doses of thiamine are given orally?

<p>Rapid excretion in urine (B)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Clinical Biochemistry: Vitamins K and E
16 questions
Vitamin Stability
20 questions

Vitamin Stability

StreamlinedReasoning1928 avatar
StreamlinedReasoning1928
Use Quizgecko on...
Browser
Browser