<span>The answer is The ability of the heart tissue to conduct electrical signals must be altered in order for the EKG to detect a problem. </span>In order for an EKG to detect a problem the electrical signals traveling through the heart muscle must be altered. If the electrical signal is abnormal it will show <span>up on the EKG graph, indicating a problem.</span>
B underground because you would be more safe
Answer:
false it doesn't impair your ability to drive safely