CV system starter task

What is the primary function of the heart?

• To digest food

• To pump blood around the body

• To filter waste from the blood

• To produce hormones

What type of organ is the heart?

• A bone

• A gland

• A muscle

• A nerve

What is the role of the pulmonary valve?

• Prevents backflow into the left atrium

• Prevents backflow into the right ventricle

• Prevents backflow into the left ventricle

• Prevents backflow into the right atrium

What is the main function of the aorta in the heart?

• To pump blood into the right atrium

• To carry oxygenated blood from the heart to the body

• To receive deoxygenated blood from the body

• To transport blood from the lungs to the heart

If the cardiac output is 5 liters per minute, what is it in milliliters per minute?

• 500 ml/min

• 5000 ml/min

• 50 ml/min

• 50000 ml/min

What does "SV" stand for in the formula CO = SV x HR?

• Stroke Volume

• Systemic Volume

• Standard Volume

• Systolic Volume

If the heart rate doubles, what happens to the cardiac output, assuming stroke volume remains constant?

• It doubles

• It halves

• It remains the same

• It triples

What is the approximate stroke volume when the cardiac output is 10 L/min?

• 70 ml/beat

• 90 ml/beat

• 110 ml/beat

• 130 ml/beat

What is the cardiac output when both stroke volume and heart rate are at their minimum values?

• 5 L/min

• 10 L/min

• 15 L/min

• 20 L/min

If Eliud Kipchoge's heart rate (HR) is 57bpm, what is his stroke volume?

(Assuming the cardiac output (CO) is 5L/min)

• 82ml

• 88ml

• 95ml

• 87ml