The diagnostic test that records the electrical activity of the heart is called ECG or Electrocardiogram. An ECG is a painless and simple test, which uses electrodes arranged and attached to your skin, and records the activity of the heart. ECG detects any abnormal rhythm and pattern of the heart beat and this helps doctors in diagnosing arrhythmias.
RHo(D) immune globulin can cause an abnormal breakdown of red blood cells. This effect can lead to life threatening blood clots or organ failure
<u>Answer:</u> D. Helmet.
<u>Reasoning:</u> You'll be more likely to survive and heal from shoulder, knee, and mouth damages. While head or brain damage is common and common for death.