Final answer:
Asking for a patient's name on a sign-in sheet in a doctor's office is important for verifying identity and assessing cognitive function.
Step-by-step explanation:
Asking for the patient's name is essential in a medical office sign-in sheet. It helps the healthcare provider verify the identity of the patient and ensure they are interacting with the correct individual. Furthermore, it allows the provider to assess the patient's cognitive function and ability to communicate.