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NBME 16 Answers

nbme16/Block 1/Question#1 (11.1 difficulty score)
A 27-year-old man who is being treated for ...
Donor T lymphocytes reacting against host cells🔍
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submitted by andro(109),

Graft Vs Host disease

Look out for Skin involvement - maculopapular rash
Enteric involvement - diarrhea and or cramping , abdominal pain .. nausea/vomiting
Hepatic dysfunction - jaundice

*** The skin , liver and intestines are the most involved affected organs

drdoom  basic science of GVHD https://youtu.be/he2vfNZDfbY?t=522 +1  
bingcentipede  Graft vs. Host disease - type IV hypersensitivity response, but this is the only one where the graft (T cells) are attacking the recipient (cells). Additionally, GvH dz is very common (at least in questions) in BONE MARROW TRANSPLANTS (also liver, but BMTs seems to pop up a lot) +