Hematocrit is a medical test to detect blood cells. A large buffy coat in a person's hematocrit most likely shows severe infection. Thus, option c is correct.
Hematocrit is the percentage of red blood cells in a blood sample that is used to measure the blood volume and is an indication of blood disorders and infections.
The test is used as an indicator of the infection as the buffy coats are the sign of the accumulation of the blood cells that may be involved in preventing pathogen attack.
Therefore, option c. the hematocrit indicates infection.
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Your question is incomplete, but most probably your full question was,
A patient's hematocrit shows an unusually large buffy coat. What is the likely cause of this?
a. anemia
b. lipidemia
c. severe infection
d. thrombocytopenia
