Blood Cells 101

Lymphocytes, monocytes, and eosinophils

Erythrocytes, leukocytes, and platelets (correct)

Hemoglobin, fibrinogen, and albumin

Plasma, red blood cells, and white blood cells

To aid in blood clotting

To fight infection and disease

To carry oxygen throughout the body (correct)

To regulate blood pressure

In the bottom layer of the blood sample, which contains the heaviest cells

In the plasma, which is the protein-rich fluid

In the packed erythrocytes, which make up 99% of the cell fraction

In the buffy coat, which is a narrow layer at the upper part of the cell fraction (correct)