USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 2-day-old infant girl is brought to the emergency because of lethargy, irritability, and poor feeding for a day. Examination shows a temperature variability ranging from 37.6-39°C (99.6-102.2°F) and a bulging anterior fontanelle. The infant was born via an uneventful vaginal delivery at 33 weeks gestation from a healthy 25-year-old woman, gravida 1, para 1. Which of the following is most likely be found in a cerebrospinal fluid sample from this newborn?