Final answer:
Subjective data is based on the patient's personal experiences and feelings. Option 4, 'States feels anxious and tense,' is classified as subjective data.
Step-by-step explanation:
Subjective data refers to information based on the patient's personal experiences and feelings. In the given options, the item that is classified as subjective data is: 4. 'States feels anxious and tense.' This statement describes the client's subjective experience of anxiety and tension, which cannot be objectively measured or confirmed.