In medical assessments, observations can be classified as objective or subjective. The description of knees being red, swollen, and warm to the touch represents an objective observation, as these signs can be directly measured. Thus, this statement is correctly categorized as an objective observation. ;
The description of knees that are red, swollen, and warm to the touch is classified as an objective observation because these signs can be directly measured and evaluated by a healthcare professional. Thus, the correct answer is A. Objective.
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