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Cardiovascular Fitness Flashcards

7 cards from real ACSM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Cardiovascular Fitness flashcards as text

  1. A client performs a 1.5-mile run in 13 minutes. Using the ACSM 1.5-mile run norms, which fitness category does a 35-year-old female fall into?

    Answer: Fair

    For a 35-year-old female, a 1.5-mile run time of approximately 13 minutes places her in the fair fitness category per ACSM normative data.

  2. Which training modality most specifically targets improvements in cardiac stroke volume and left ventricular end-diastolic volume?

    Answer: Prolonged moderate-intensity continuous training

    Prolonged aerobic endurance training induces eccentric cardiac hypertrophy, increasing chamber volume and stroke volume through volume loading.

  3. During exercise at altitude, which cardiovascular adjustment occurs acutely to maintain oxygen delivery?

    Answer: Increased cardiac output via elevated heart rate

    At altitude, reduced PaO2 triggers an acute increase in heart rate to boost cardiac output and partially compensate for lower arterial oxygen content.

  4. For a client with hypertension exercising at moderate intensity, which blood pressure response would warrant immediate exercise cessation?

    Answer: Systolic BP rising to 220 mmHg or diastolic BP exceeding 115 mmHg

    ACSM recommends stopping exercise if systolic BP exceeds 220 mmHg or diastolic BP exceeds 115 mmHg during aerobic activity.

  5. Which fuel source predominates during prolonged low-to-moderate intensity cardiovascular exercise (60–70% VO2max)?

    Answer: Fat oxidation with co-contribution from carbohydrate

    At 60–70% VO2max, fat and carbohydrate are both oxidized, with fat providing a significant proportion of energy, especially as duration increases.

  6. What does the respiratory exchange ratio (RER) value of 1.0 during steady-state exercise primarily indicate?

    Answer: Equal contributions of fat and carbohydrate, with transition toward carbohydrate dominance

    An RER of 1.0 indicates that carbohydrate is becoming the predominant fuel source, as carbohydrate oxidation produces equal volumes of CO2 and O2.

  7. A fitness professional notices a client's heart rate does not increase appropriately with rising workload during a GXT. This phenomenon is called:

    Answer: Chronotropic incompetence

    Chronotropic incompetence is the inability of the heart to increase its rate appropriately in response to exercise, often seen with certain medications or cardiac conditions.