Final answer:
A nurse should report a capillary refill time of 3 seconds or more as it may indicate poor blood flow and could signify a range of health problems. Option 3.
Step-by-step explanation:
An abnormal capillary refill finding that a nurse should report is 3 seconds or longer option 3. Capillary refill time is a test that is used to monitor dehydration and the amount of blood flow to tissue. In a healthy individual, capillary refill time is typically less than 2 seconds. A refill time of 3 seconds or more may indicate poor blood flow, which could be a sign of circulatory shock or a blocked artery, among other health issues. Nurses should monitor capillary refill time as part of their patient assessments, and any abnormal findings should be reported to a physician.