Emergency Medical Technician (EMT) Intermediate Practice Exam

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White blood cells are also known as:

Erythrocytes
Thrombocytes
Leukocytes
Hemocytes

The correct answer is: Leukocytes

White blood cells, which are vital components of the immune system, are specifically known as leukocytes. These cells play a crucial role in defending the body against infections and foreign substances. Leukocytes are categorized into different types, including neutrophils, lymphocytes, monocytes, eosinophils, and basophils, each with unique functions in the immune response. Erythrocytes refer to red blood cells, which are responsible for transporting oxygen from the lungs to the rest of the body and carbon dioxide from the body back to the lungs. Thrombocytes, or platelets, are involved in blood clotting and the repair of damaged blood vessels. Hemocytes is a broader term that can refer to blood cells in general but is not specifically used to identify white blood cells in the context of human physiology. Thus, leukocytes is the correct term for white blood cells, highlighting their specific role in immunity.