Measuring Heart Rate with Your Own Stethoscope Quiz

Note: The correct answers are marked in green here for you, but this marking will not be visible to the students when they view the assignment.

a. Help us think clearly b. Transport oxygen and nutrients throughout the body c. Make our muscles contract and relax d. Pump blood through the body

Correct.

Incorrect.

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a. b. c. d.

Correct.

Incorrect.

a. Stay the same, as the person is exercising in both cases b. Decrease, as the person increases the intensity of the exercise c. Increase, as the person increases the intensity of the exercise

Correct.

Incorrect.

a. A quick increase in heart rate helps us to build muscles fast, and thus, get stronger. b. A quick increase in heart rate helps us to react to danger quickly, as it delivers extra oxygen to the muscles and organs, which in turn, leads to an increase in energy and alertness. c. A quick increase in heart rate helps to relax the muscles and give them the rest they need.

Correct.

Incorrect.

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