Medicine

A 12-year-old boy comes to the physician because of headache, fever, nausea and vomiting. His mother reports that he has been unwell for a couple of days but seems to have become worse. In addition to his headache, he has a very stiff neck. He has no other past medical history except for well-controlled asthma His pulse 114/mm and he has a fever of 38.5°C (1O1.3F). His examination is notable for meningismus, as evidenced by discomfort elicited by movement of his neck. He also becomes visibly uncomfortable when you check his pupillary responses with a flashlight. Which of the following patterns of cerebrospinal fluid would you expect to see if this boy turns out to have viral meningitis?