Identify which type of calcium channel is responsible for the stated events.

During the isovolumetric ventricular relaxation phase of the cardiac cycle, which of the following is true?

What is Dr. Hansen’s MAP?

How would a decreased capacitance of veins affect mean arterial pressure?

Arteriography of an elderly patient’s left renal artery shows an aneurysm that increases the radius of the artery by 50%. What is the expected change in local blood flow through this artery?

How would decreased arteriolar resistance affect mean arterial pressure?

How would a muscarinic antaagonist affect mean arterial pressure?

Which of the following results in decreased stroke volume?

If we could artificially alter the membrane permeability of pacemaker cells so that potassium efflux was decreased compared to normal circumstances, what would be the result?

Dr. Hansen goes to the doctor for her routine annual physical. The exam begins with the nurse taking her vitals. Her blood pressure is 109/73. Her heart is beating 68 times per minute. Prior to each contraction, there is 156 ml of blood in her left ventricle, and 62 ml remains in the ventricle after the heart contracts.