A young man is an avid outdoorsman goes to see his doctor complaining of fever with chills, headache, nausea, and diarrhea. Blood test show that he has low levels of leukocytes and platelets. He may have contractedA. ehrlichiosisB. tularemiaC. Chagas diseaseD. brucellosisE. Lyme disease

The symptoms of fever with chills, headache, nausea, and diarrhea along with low levels of leukocytes and platelets suggest.

The young and avid outdoorsman has:

A. Ehrlichiosis.

Explanation:

A. ehrlichiosis: The symptoms for this disease are: Mild fever, Headache, Chills, Muscle aches, Nausea, Vomiting, and diarrhea.

B. tularemia: The symptoms for this disease include Fever, chills, pink eye, headache, muscle pain, breathing problems, and ulcers. So i is incorrect.

C. Chagas disease: The symptoms for this disease are: Swelling, fever, So it is incorrect.

D. brucellosis: The symptoms for this disease are: Joint and muscle pain, fever, weight loss, and fatigue.

E. Lyme disease: The symptoms for this disease are: Rash, bulls-eye pattern, and flu-like symptoms.

So, after matching and comparing the symptoms and because Ehrlichiosis is an infection we can assume it is the correct diagnosis and answer.