Review Question - QID 213636

A 43-year-old woman with a history of hypertension presents to the emergency room for fever. She reports that after waking up this morning, she felt more tired than usual and had 1 episode of nonbloody, nonbilious emesis. She measured her temperature shortly after and it was 100.9°F (38.2°C). She denies any cough, headaches, chest pain, shortness of breath, diarrhea, or dizziness. She had dysuria and urinary frequency 5 days ago but was recently treated with trimethoprim/sulfamethoxazole for the UTI, and the symptoms have since resolved. She also just returned from a hiking trip in Colorado last week. A physical examination was significant for skin findings shown in Figure A. Laboratory studies are shown below:

Leukocyte count and differential:
Leukocyte count: 12,000/mm^3
Segmented neutrophils: 53%
Bands: 5%
Eosinophils: 13%
Basophils: 0%
Lymphocytes: 33%
Monocytes: 6%

Which of the following findings would you most likely expect to find in this patient?