The School Nurse at a Local Elementary School Is Performing

The school nurse at a local elementary school is performing physical fitness assessments on the third grade children. When assessing students' cardiorespiratory fitness, the most appropriate test is to have the students:

A) Step up and down on a 12-inch bench
B) Perform the sit-and-reach test
C) Run a mile without stopping, if they can
D) Perform range-of-motion exercises