Final answer:
A fax machine sends or receives patient information immediately, proving efficient for medical communication.
Step-by-step explanation:
You asked which device may be used to send or receive information about the patient immediately. The correct answer is A. Fax Machine. A fax machine is a communication device that scans documents and sends them via a telephone line to another fax machine, where they are printed out, making it an efficient tool for medical offices to promptly send or receive patients' records, test results, and other healthcare-related information.