Test Your Knowledge on METs
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Questions and Answers

Which equation correctly represents the calculation of one MET in terms of oxygen consumption?

  • 1 MET = 3.5 ml/min
  • 1 MET = 200 ml/min for women
  • 1 MET = 250 ml/min for men
  • 1 MET = 3.5 ml/kg/min (correct)
  • What is considered light physical activity in terms of METs?

  • More than 6 METs
  • Less than 3 METs (correct)
  • Between 3 and 6 METs
  • Exactly 3 METs
  • Which equation correctly represents the calculation of VO2reserve?

  • VO2reserve = VO2act - VO2rest (correct)
  • VO2reserve = VO2max - VO2rest
  • VO2reserve = VO2act / VO2rest
  • VO2reserve = VO2max / VO2rest
  • Which equation correctly represents the calculation of heart rate reserve (HR Reserve)?

    <p>HR Reserve = HR max - HR rest</p> Signup and view all the answers

    Which equation correctly represents the calculation of exercise intensity using the % HR reserve method (Karvonen)?

    <p>Intensity = HRactual / HR Reserve</p> Signup and view all the answers

    Which equation correctly represents the calculation of exercise capacity using the Bruce protocol?

    <p>Exercise Capacity = VO2max</p> Signup and view all the answers

    Which type of graded exercise test is considered better for patients with heart disease?

    <p>Cycle ergometer</p> Signup and view all the answers

    Which test is used to predict VO2max based on age, weight, sex, and time?

    <p>Rockport 1 mile fitness walking test</p> Signup and view all the answers

    What is the expected response for HR during a submax test?

    <p>10+/- 2 bpm per MET</p> Signup and view all the answers

    When should a test be stopped based on diastolic blood pressure (DBP)?

    <p>DBP &gt; 115 mmHg</p> Signup and view all the answers

    What is one indication to stop a test?

    <p>Subject wanting to stop</p> Signup and view all the answers

    Which test is used to predict VO2max based on distance, weight, age, height, and rate-pressure product?

    <p>6 min walk test</p> Signup and view all the answers

    What is considered an abnormal recovery for blood pressure?

    <p>250 mmHg Diastolic</p> Signup and view all the answers

    What is an abnormal peak HR during a test?

    <p>Peak HR &gt; 20 bpm below age-predicted max HR</p> Signup and view all the answers

    What is the normal response for HR during a submax test?

    <p>10+/- 2 bpm per MET</p> Signup and view all the answers

    Study Notes

    Calculations and Formulas

    • One MET (metabolic equivalent of task) is equivalent to an oxygen consumption of 3.5 mL/kg/min
    • VO2reserve is calculated as VO2max - VO2rest
    • Heart rate reserve (HR Reserve) is calculated as HRmax - HRrest
    • Exercise intensity using the % HR reserve method (Karvonen) is calculated as (HRexercise - HRrest) / (HRmax - HRrest) × 100
    • Exercise capacity using the Bruce protocol is calculated as total exercise time (minutes) × 1.44 + 14.8

    Exercise Testing and Intensity

    • Light physical activity is considered to be 1.5-2.4 METs
    • The Bruce protocol is a type of graded exercise test that is better suited for patients with heart disease
    • The Åstrand test is used to predict VO2max based on age, weight, sex, and time
    • The Rockport test is used to predict VO2max based on distance, weight, age, height, and rate-pressure product

    Test Termination and Response

    • A test should be stopped if diastolic blood pressure (DBP) exceeds 120 mmHg
    • One indication to stop a test is if the subject experiences leg pain or cramping
    • The expected response for HR during a submax test is an increase in HR that levels off at a steady-state
    • A normal response for HR during a submax test is an increase in HR that levels off at a steady-state
    • An abnormal recovery for blood pressure is a failure to return to within 10 mmHg of resting value within 5 minutes
    • An abnormal peak HR during a test is less than 85% of the predicted maximum HR

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    Description

    Test your knowledge on energy expenditures and metabolic equivalents (METs) with this quiz! Learn about how METs are used to measure the intensity and duration of physical activity, and how they account for factors like gender, height, weight, and age. Challenge yourself to identify different levels of activity based on MET values and gain a deeper understanding of measuring exercise intensity.

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