After switching to a vegan diet, Jordan begins experiencing numbness in his hands and difficulty concentrating. Which vitamin deficiency should be considered first?

Question

BlackTom AI · Accepted Answer

Restating the question and options to set the context:
Question: After switching to a vegan diet, Jordan begins experiencing numbness in his hands and difficulty concentrating. Which vitamin deficiency should be considered first?
Answer options:
- Vitamin A
- Vitamin K
- Vitamin D
- Vitamin B₁₂ (Cobalamin)

Now, evaluate each option in turn:
Option 1: Vitamin A. Deficiency of vitamin A typically presents with vision problems (night blindness, dry eyes) and skin or immune symptoms, not numbness or cognitive difficulties. While important for overall health, it does not explain the specific neurological symptoms described.
Option 2: Vitamin K. Vitamin K deficiency is mainly associated with impaired blood clotting and an increased risk of bleeding. Neurological numbness or concentration problems are not characteristic features of vitamin K deficiency, making this option an unlikely fit for the presented symptoms.
Option 3: Vitamin D. Deficiency in vitamin D is linked to bone health issues, muscle weakness, and in some contexts mood changes, but numbness in hands and concentration difficulties are not typical hallmark findings. This makes it a less plausible cause for the described neurological symptoms.
Option 4: Vitamin B₁₂ (Cobalamin). Vitamin B12 deficiency is well known for causing neurological symptoms such as peripheral numbness or tingling (neuropathy) and cognitive or concentration difficulties due to impaired myelin formation and nervous system function. People on vegan diets are at higher risk since B12 is predominantly found in animal products, so this deficiency neatly aligns with the clinical presentation.

Putting the pieces together, the symptoms of numbness and concentration trouble in someone following a vegan diet most closely match a Vitamin B12 deficiency profile, while the other vitamin deficiencies do not typically explain these neurological manifestations. This reasoning supports prioritizing assessment and correction of B12 status, including dietary intake review and appropriate supplementation if needed, along with appropriate laboratory testing to confirm the deficiency and rule out other causes.

fshn_120_120258_248655 CHAPTER 9 DEFINITION INQUISITION (DI) - 3 TAKES - HIGHEST SCORE COUNTS

After switching to a vegan diet, Jordan begins experiencing numbness in his hands and difficulty concentrating. Which vitamin deficiency should be considered first?

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