Case Study: A 25-year-old female patient presents to your pr…

Case Study: A 25-year-old female patient presents to your practice with complaints of shortness of breath, wheezing, and chest tightness. She reports that these symptoms are worse during the spring when she has high exposure to pollen. She also says that she is symptomatic when exposed to dust. The patient has a history of seasonal allergies and asthma. A complete blood count (CBC) is ordered. Which of the following findings is most likely to be elevated in this patient due to her condition?