USMLE Step 1 Sample Question 1
A 67-year-old male who was recently diagnosed with colorectal cancer presents with fever and shortness of breath that started 2 days prior to presentation. The patient also noticed that his hands are “more red than usual” and there are painful lesions on his fingers. The cardiovascular examination is remarkable for a holosytolic, “blowing” murmur best heard in the mitral area which was not present during prior examinations. Preliminary results of the blood culture are positive for gram positive cocci. Which of the following organism is most likely responsible for patient’s disease?
- AStaphylococcus aureus
- BStreptococcus viridians
- CStaphylococcus epidermidis
- DStreptococcus bovis
- EEikenella corrodens
USMLE Step 1 Sample Question 2
You are called to see a 17-year-old female patient who took the remains of a bottle of extra-strength acetaminophen 13 hours prior to arrival. She currently is diaphoretic and nauseated. Her serum acetaminophen plasma concentration is 38 micrograms per milliliter. Which of the following statements are correct with respect to this patient’s condition?
- AN-acetyl cysteine should not be administered because her plasma acetaminophen level is below the line of Rumack-Matthew Line
- BA better estimate of the amount of acetaminophen ingested by this patient could `have been obtained an hour post-ingestion
- CLiver function abnormalities will peak in the next 12-24 hours
- DGastric decontamination with activated charcoal will reduce further absorption of acetaminophen and has been shown to improve outcomes
- EAcetaminophen that is not excreted in the urine is metabolized to N-acetyl-p-benzoquinoneimine (NAPQ)
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