Here are some scenario-based multiple choice questions on Vitamin B12 deficiency
John, a 65-year-old man, is experiencing fatigue, weakness, and tingling in his hands and feet. He has a history of pernicious anemia, which is an autoimmune disorder that affects his ability to absorb vitamin B12 from food. Which of the following is the most likely cause of his symptoms?
A) Iron deficiency
B) Vitamin B12 deficiency
C) Vitamin D deficiency
D) Calcium deficiency
Answer: B) Vitamin B12 deficiency
Sarah, a 30-year-old vegetarian, is experiencing weakness, tiredness, and shortness of breath. She avoids meat, eggs, and dairy products in her diet. Which of the following is the most likely cause of her symptoms?
A) Iron deficiency
B) Vitamin B12 deficiency
C) Vitamin D deficiency
D) Calcium deficiency
Answer: B) Vitamin B12 deficiency
Mark, a 50-year-old man, is experiencing numbness and tingling in his hands and feet, and difficulty walking. He has a history of heavy alcohol consumption and has been diagnosed with liver disease. Which of the following is the most likely cause of his symptoms?
A) Iron deficiency
B) Vitamin B12 deficiency
C) Vitamin D deficiency
D) Calcium deficiency
Answer: B) Vitamin B12 deficiency
Susan, a 25-year-old woman, is experiencing fatigue, weakness, and difficulty concentrating. She has been following a strict vegan diet for the past year. Which of the following is the most likely cause of her symptoms?
A) Iron deficiency
B) Vitamin B12 deficiency
C) Vitamin D deficiency
D) Calcium deficiency
Answer: B) Vitamin B12 deficiency
Tom, a 45-year-old man, is experiencing memory loss, confusion, and difficulty with balance and coordination. He has a history of Crohn's disease, which affects his ability to absorb nutrients from food. Which of the following is the most likely cause of his symptoms?
A) Iron deficiency
B) Vitamin B12 deficiency
C) Vitamin D deficiency
D) Calcium deficiency
Answer: B) Vitamin B12 deficiency
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