Using the heart rate formulas you learned in this lesson, calculate your various heart rates, and then respond to the questions based on your results. A. Calculate your resting heart rate. 1. Resting heart rate: 2. Were you surprised by your resting heart rate? Why or why not? 3. Did you measure it several times to make sure it was accurate? 4. How do you feel about your resting heart rate compared to the American Heart Association's recommendations for healthy adult resting heart rate range?