Which term is appropriate to describe lymph nodes during examination?

The appropriate term to describe lymph nodes during examination is "bilaterally symmetrical and firm." This characterization indicates that the lymph nodes are normal in size and consistency, reflecting a healthy state. In a routine examination, lymph nodes that are symmetrical on both sides of the body suggest that they are functioning properly and are not involved in any pathological processes. Firmness is also a sign of healthy lymphatic tissue, as opposed to being overly soft or tender, which might indicate inflammation or infection.

In contrast, enlarged and discolored lymph nodes point toward potential abnormalities that could indicate disease or infection, while soft and tender nodes often suggest an ongoing infection or inflammation. Immovable and irregular nodes could be concerning signs of more serious issues, such as malignancy, and would warrant further investigation. Thus, the description of lymph nodes being bilaterally symmetrical and firm signifies a typical, healthy finding during a physical examination.