Patient Care Technician (PCT) AAH Practice Exam

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Prepare for the Patient Care Technician (PCT) AAH Exam. Study with flashcards and multiple choice questions, complete with hints and explanations. Get ready to excel in your exam!

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The root word "hemo" refers to which substance?

Blood
Heart
Vessel
Artery

The correct answer is: Blood

The root word "hemo" specifically refers to blood. This term is derived from the Greek word "haima," which means blood. In medical terminology, "hemo" is commonly used in various contexts to describe conditions, processes, or substances related to blood. For instance, words like "hemoglobin" (the protein in red blood cells that carries oxygen) and "hemorrhage" (excessive bleeding) both incorporate this root, highlighting its direct association with blood. Understanding this root is essential in the healthcare field, as it aids in comprehending a wide range of medical terminology related to hematology and circulatory health.