Certified Electronic Health Records Specialist (CEHRS) Practice Exam

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In medical terminology, what does the prefix 'arthr/o' refer to?

Bone
Muscle
Joint
Nerve

The correct answer is: Joint

The prefix 'arthr/o' specifically refers to joints in medical terminology. This term is most commonly seen in various medical words that describe conditions or procedures related to joints, such as arthritis (inflammation of the joints) or arthroscopy (a procedure to visually examine the interior of a joint using a camera). Understanding this prefix is crucial for healthcare professionals as it helps in accurately interpreting patient conditions and documentation. The other prefixes refer to different body components: 'oste/o' pertains to bone, 'muscul/o' relates to muscle, and 'neur/o' indicates nerves, but none of these are associated with joints as 'arthr/o' is.