A patient has been experiencing a recurrent high fever, nigh…

A patient has been experiencing a recurrent high fever, night sweats, and weight loss. A physician found several enlarged lymph nodes during a physical exam and obtained a lymph node biopsy. The biopsy revealed the presence of Reed-Sternberg cells. What is the most probable diagnosis?

A manual erythrocyte count was performed on an EDTA-anticoag…

A manual erythrocyte count was performed on an EDTA-anticoagulated sample. The sample was diluted 1:200 and a total of 265 RBCs were counted in 5 small RBC squares on one side of the hemocytometer. A total of 285 RBCs were counted in 5 small RBC squares on the other side. What is the total erythrocyte count?