A nurse is counseling a 40-year-old person who is going to start an exercise program.The nurse will base her guidance on a goal of the patient achieving the recommended RPE of 11 to 14, while exercising.Accordingly, which of the following heart rate ranges would the nurse encourage the person to maintain while exercising?

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RPE = rating the perceived exertion.Despite this potential for variability in perception, RPE correlates well with HR clinically, and together they form a complementary means of helping individuals determine a comfortable, beneficial level of exercise intensity.An RPE of 11 to 14 corresponds well with 50% to 85% MHR.Subjective parameters include being slightly short of breath, but not out of breath; being able to talk without difficulty, but unable to sing a song easily; being pleasantly fatigued, but not exhausted; and having mild musculoskeletal discomfort, but no pain.The maximum heart rate for a 40-year-old is 180.Exercise should produce a heart rate that is 50% to 85% of maximum heart rate.This percentage corresponds to a rate of perceived exertion of 11 to 14: 50% of 180 = 90, 85% of 180 = 153.Thus, the range should be 90 to 153.

A Nurse Is Counseling a 40-Year-Old Person Who Is Going