HY USMLE Q #1039 – Micro / Heme

A 6-year-old boy is brought to the physician by his mother for a 2-day history of blood in his stool. Vitals are normal. Laboratory studies show reduced hemoglobin, elevated serum LDH, and thrombocytopenia. Which of the following is the most likely explanation for these findings?

  Inhibition of elongation factor-2
  Inhibition of presynaptic SNARE protein
  Inhibition of 60S ribosomal subunit
  Poly-D-glutamic acid capsule
  Production of phospholipase (lecithinase)

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