Certified Electronic Health Records Specialist (CEHRS) Practice Exam

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Which root word denotes "clotting" in medical terms?

  1. thromb/o

  2. hem/o

  3. thrombo-/emb/o

  4. coagul/o

The correct answer is: thromb/o

The root word that denotes "clotting" in medical terms is "thromb/o." This term specifically refers to blood clots, which are crucial in the context of hemostasis—the process that prevents and stops bleeding. In medical terminology, "thromb/o" is commonly used in terms like "thrombosis," which refers to the formation of blood clots within a blood vessel. The other roots provided reflect different aspects related to blood, but they do not specifically denote "clotting." For instance, "hem/o" pertains to blood in general, while "thrombo-/emb/o" combines references to clots and embolism, which refers to a clot that has traveled through the bloodstream. Lastly, "coagul/o" relates more specifically to the process of coagulation itself, which encompasses clotting but is a broader term.