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Retired NBME Step 2 CK Form 8 Answers

step2ck_form8/Block 4/Question#23 (reveal difficulty score)
A 38-year-old woman has had severe nausea, ...
Staphylococcus aureus 🔍 / 📺 / 🌳 / 📖
tags: infectious_disease

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submitted by step_prep3(25)
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  • Causes of rapid-onset food poison (< 6 hours) are due to ingestion of pre-formed toxin and are most commonly caused by Staph aureus (cream-based food such as egg salad) or Bacillus cereus (reheated rice syndrome)
  • Clostridium perfringens (improperly cooked/stored meat) is another cause of food poisoning, but often occurs 6-24 hours after ingestion because patients ingest spores which need germinate in digestive tract to secrete toxin

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jj375  In case you were like me and made this mistake --> 8 hours ago she ate something, but been vomiting for 6 hours. Therefore started vomiting 2 hours after ingestion --> so its staph aureus preformed toxin +



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