Final answer:
The action that best demonstrates a nurse's concern and attachment is asking the patient how they are feeling and expressing genuine worry about their condition.
Step-by-step explanation:
The nurse action that best depicts concern and attachment for a patient who is unable to independently meet their health needs is option 2: asking the client, "How are you today? I am really worried about you." This question demonstrates the nurse's personal care and empathy for the patient. It goes beyond routine tasks and illustrates a genuine concern for the patient's well-being, which is an essential aspect of providing compassionate nursing care. While the other options are also important nursing actions, they do not convey the same level of personal attachment and concern as the second option.