Circulatory System

Circulatory System Quiz

Spec 8.6–8 · Edexcel GCSE Biology: Quiz

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5 questions, one answer each

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  1. 1. Which chamber has thickest wall?

    • A. Right atrium
    • B. Left atrium
    • C. Right ventricle
    • D. Left ventricle

  2. 2. Function of atrioventricular valves?

    • A. Prevent backflow into atria
    • B. Prevent backflow into aorta
    • C. Carry oxygenated blood to lungs
    • D. Control heart rate

  3. 3. HR=68bpm, SV=65cm³. Cardiac output?

    • A. 133
    • B. 4420
    • C. 3400
    • D. 6800

  4. 4. Correct description of pulmonary vessels?

    • A. Artery oxygenated, vein deoxygenated
    • B. Both oxygenated
    • C. Artery deoxygenated, vein oxygenated
    • D. Both deoxygenated

  5. 5. Stroke volume rises 70→100cm³, HR 70→150bpm. New cardiac output?

    • A. 15000 cm³/min
    • B. 10500 cm³/min
    • C. 10000 cm³/min
    • D. 7000 cm³/min

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