Gastrointestinal and Nutrition Physiology

Vitamins and Minerals Physiology Practice Questions

20 free Vitamins and Minerals Physiology practice questions for the Physiology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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Questions

All Vitamins and Minerals Physiology questions

20 questions
  1. Q1. Vitamin B12 absorption in the gastrointestinal tract primarily requires:
  2. Q2. Which vitamin is absorbed mainly in the jejunum as micelles with dietary fat?
  3. Q3. Deficiency of which vitamin most directly impairs calcium absorption?
  4. Q4. Iron absorption occurs predominantly in the:
  5. Q5. Which factor enhances non-heme iron absorption in the intestine?
  6. Q6. Vitamin K is essential for the synthesis of:
  7. Q7. Which mineral is primarily absorbed in the small intestine via active transport regulated by vitamin D?
  8. Q8. Malabsorption of fat-soluble vitamins is most likely in:
  9. Q9. Which vitamin deficiency is associated with megaloblastic anemia due to impaired DNA synthesis?
  10. Q10. Folate absorption occurs primarily in the:
  11. Q11. Which mineral deficiency most directly causes hypochromic microcytic anemia?
  12. Q12. Vitamin C deficiency most commonly results in:
  13. Q13. Which vitamin acts as an antioxidant protecting cell membranes from oxidative damage?
  14. Q14. Zinc deficiency most directly impairs:
  15. Q15. Which vitamin requires pancreatic enzymes for optimal absorption?
  16. Q16. Copper absorption occurs primarily in the:
  17. Q17. Which condition most directly impairs vitamin B12 absorption?
  18. Q18. Magnesium absorption in the intestine occurs primarily by:
  19. Q19. Which vitamin deficiency leads to night blindness?
  20. Q20. Chronic diarrhea most commonly leads to deficiency of which mineral?