27. What is this patient’s ejection fraction?

21) In the following diagram, what activity in the cardiac cycle does number 5 indicate?  

31) Where in the excitatory-conduction pathway of the heart is there likely to be an abnormality given the findings of this ECG?

4) During a clinical rotation, you observe a who patient experiences chest pain with aerobic activity. They take their prescribed dose of nitroglycerin spray under the tongue. You recall the role of nitric oxide in control of tissue blood flow. What is the most likely reason they are taking this medication?

28) If you measure this person’s pulse to be 95 bpm, what is their resting cardiac output?

6) When a person exercises specific skeletal muscles, how do local arterioles and metarterioles acutely respond to decreased local oxygen levels?

Centripetal means

The following table is data about the velocity and time for an automobile. From this , is the Velocity (m/s)  Time (s)  0 0 3 5 6 10 9 15 12 20

For which of the following is the acceleration constant?

If the speed of an object in circular motion is increased by a factor of 3, its centripetal acceleration for the same radius will be multiplied by a factor of