Name five factors that can affect a patient’s heart rate.

Why would you expect a patient with a MAP of 50 mm Hg to have weak or absent pulses in the extremities?

In your own words, explain the relationship between systole and diastole.

What do you do if your patient with a history of COPD has a SpO₂ of 90 percent on room air?

Sam’s patient has called the doctor’s office in a panic because his blood pressure is 200/110. What should Sam do?