Chapter 9, Problem 5Q

Beta blockers are drugs that interfere with stimulation of organs by nerves of the sympathetic system. Would these drugs be useful in treating excessively high blood pressure or excessively low blood pressure?

How do gap junctions and intercalated disks aid contraction of the heart?

You measure a patients blood pressure at 130/85. Calculate the patients pulse pressure and mean arterial pressure. Determine whether each pressure is low, normal, or high.