Identify the First Means of Electronic Communication, and Explain the System's

question 2

Essay

Identify the first means of electronic communication, and explain the system's key components.

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Definitions:

Digital Rectal Exam

A medical examination where a doctor inserts a lubricated, gloved finger into the rectum to check for abnormalities of organs or other structures in the pelvis and lower abdomen.

Pulmonary Function Test

Medical tests that measure the lungs' ability to take in and exhale air as well as their efficiency in transferring oxygen into the blood.

Auscultation

The act of listening to the sounds made by internal organs, typically with a stethoscope, as part of a medical examination.

Palpation

The act of using one's hands to examine the body, especially while perceiving/diagnosing a disease or illness.