Phlebotomy Technician Practice Exam (NCPT/CPT)

Hemoconcentration is the process of the body having a decrease of plasma and fluid due to water and electrolyte loss, which can occur from excessive sweating, diarrhea, or excessive urination. Option A, hyperhydration, is the opposite and refers to an excess of fluid in the body. Option B, dehydration, is also the opposite and refers to a lack of adequate fluid in the body. Option D, hemodilution, is the opposite of hemoconcentration and refers to an increase in the plasma and fluid within the body. Therefore, option C is the correct term for the decrease of plasma and fluid in the body.