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Review Question - QID 214421

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QID 214421 (Type "214421" in App Search)
A 27-year-old homeless man presents to a free clinic in Bulgaria with fatigue. The patient has never seen a doctor before and is presenting for a wellness checkup. He has no complaints at the time and takes no medications. His temperature is 96.0°F (35.6°C), blood pressure is 114/74 mmHg, pulse is 97/min, respirations are 17/min, and oxygen saturation is 94% on room air. Physical exam reveals the finding in Figure A. Cardiopulmonary exam reveals an S1, S2, and S3 heart sound and bibasilar crackles. Which of the following vitamins is most likely deficient in this patient?
  • A
  • A