What does an electrocardiogram record?Multiple choice question.the electrical changes in the myocardiumthe sounds of the heart valves closingthe action potentials in a cardiac muscle cellthe electrical activity in the brain

The following are statements about heart sounds:     i. The beating of the heart and the pumping of the blood is associated with the generation of the sounds.    ii. The physicians are trained to diagnose heart disorders by listening to these sounds using a device called the stethoscope.    iii. A graphic record of the heart is called a phonocardiogram.1 pointi is correcti and ii are correcti and iii are correctall are correct

What does an ECG measure? a. The collective electrical activity of the heart. b. Mechanical events in the heart. c. The movement of the cardiac muscles. d. An individual cardiac action potential.

An electrocardiogram is limited to measuring electrical activity of the heart, so heart rate cannot be determined.True false question.TrueFalse

An EEG measures electrical activity in the Blank______.Multiple choice question.brainheartmuscles

Fill in the Blank QuestionFill in the blank question.When electrodes are placed on the skin and electrical changes in the myocardium are recorded on an instrument, a physician can obtain a patient's .