Approximately one month upon returning from a river rafting…
Approximately one month upon returning from a river rafting trip in South America, a college student develops a fever accompanied by chills, muscle aches, and abdominal discomfort. After being examined by physicians at the university health center, the student is referred to an infectious disease specialist, where a diagnosis of schistosomiasis is made. Schistosoma is a helminth that contaminates freshwater in areas that lack proper sanitation, and often leads to infection when the water is used for swimming or bathing. In this case, bloodwork from the student would most likely reveal an elevation in which of the following cells?