The ECG Graph Paper Represents Time Horizontally and Voltage Vertically

question 9

Multiple Choice

The ECG graph paper represents time horizontally and voltage vertically. What time and voltage are represented by one large box?

• A)0)04 second and 0.1 mV
• B)0)20 second and 0.5 mV
• C)1 second and 0.4 mV
• D)0)5 second and 0.2 mV