Final answer:
The suffix '-emia' means blood, as used in medical terms like hyperglycemia or anemia to describe blood conditions. So, the correct answer is option a.
Step-by-step explanation:
The suffix that means blood is -emia. This suffix is used in medical terminology to denote a condition related to the blood, often one in which substances are present in higher or lower than normal concentrations. For instance, hyperglycemia refers to an abnormally high level of glucose in the blood, while anemia denotes a condition where there is a deficiency of red cells or of hemoglobin in the blood.
So, the correct answer is option a.