Question

Joe is suffering from a spasm in his left main coronary artery impairing blood flow to the heart. This can cause considerable pain, but what concerns us here is that delivery of oxygen to most of the heart is impaired limiting myosin ATPase function and contraction of the ventricular muscle

20) For Joe, is the systemic resistance a) increased, b) decreased, c) not significantly changed

21) For Joe, is the venous compliance a) increased, b) decreased, c) not significantly changed

22) For Joe, is the cardiac contractility a) increased, b) decreased, c) not significantly changed

23) For Joe, is the heart rate a) increased, b) decreased, c) not significantly changed

24) For Joe, is the venous blood pressure a) increased, b) decreased, c) not significantly changed

25) For Joe, is the arterial blood pressure a) increased, b) decreased, c) not significantly changed

26) For Joe, is the stroke volume a) increased, b) decreased, c) not significantly changed

Please explain if you can!