When reading a lab report, you notice that a patient's sample is described as having anisocytosis. Which of the following most accurately describes the patient's condition?

a. The patient has an abnormal condition of skin cells.
b. The patient's red blood cells vary in size.
c. The patient has a high level of fat cells and is obese.
d. The patient's cells are indicative of necrosis.

Answer: b. The patient's red blood cells vary in size.