Cardio Knowledge Quiz

What is stroke volume?

• Amount of blood pumped per beat

• Number of breaths per minute

• Maximum heart rate

Which of the following best defines VO₂max?

• Max lung capacity

• Max oxygen used during intense activity

• Blood pressure at rest

The most accurate heart rate zone formula is:

• 220 – age

• 208 – (0.7 × age)

• Resting HR × 2

During steady-state cardio, the body primarily uses:

• Phosphagen energy

• Anaerobic glycolysis

• Aerobic energy system

True or False: Cardiorespiratory fitness reduces risk of cardiovascular disease and improves mental health.

• True

• False

Client: Age 30. HR reading = 165 bpm. What zone?

• Zone 2 (light aerobic)

• Zone 3 (moderate aerobic)

• Zone 4 (anaerobic threshold)