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Worksheetscardiac cycle
Total questions: 17
Worksheet time: 11mins
The chamber that receives oxygenated blood from the lungs
Right Ventricle
Left Ventricle
Right Atrium
Left Atrium
The chamber that pumps deoxygenated blood to the lungs
Right Ventricle
Right Atrium
Left Ventricle
Left Atrium
The 'Lub' sound of the heart is caused by .....
Atrioventricular valves closing
Semilunar valves closing
Blood flowing through the Pulmonary artery and aorta
Blood Flowing down into the ventricles
Which of the following is true about the semi-lunar valves in the heart?
They are between atria and ventricles
They close when pressure in the arteries is higher than pressure in the atria
They prevent backflow of blood into the atria
They open when pressure in the ventricles is higher than pressure in the arteries
During ventricular systole, which of the following occurs?
Atrioventricular valves close and semilunar valves close
Atrioventricular valves close and semilunar valves open
Atrioventricular valves open and semilunar valves are open
Atrioventricular valves open and semilunar valves close
State the phase of cardiac cycle shown in the diagram.
Atrial systole, ventricular systole
Atrial diastole, ventricular systole
Atrial systole, ventricular diastole
Atrial diastole, ventricular diastole
State the phase of cardiac cycle shown in the diagram.
Atrial systole, ventricular systole
Atrial diastole, ventricular systole
Atrial systole, ventricular diastole
Atrial diastole, ventricular diastole
State the phase of cardiac cycle shown in the diagram.
Atrial systole, ventricular systole
Atrial diastole, ventricular systole
Atrial systole, ventricular diastole
Atrial diastole, ventricular diastole
Identify part numbers 3 and 5.
3: right atrium; 5: aorta
3: left atrium; 5: aorta
3: right atrium; 5: pulmonary artery
3: left atrium; 5: pulmonary artery
The graph shows pressure changes in the left atrium, left ventricle and aorta during a cardiac cycle.
What would the curve look like for the right ventricle, if placed on this graph?
same pattern but to the right of the left ventricle curve
different pattern and to the right of the left ventricle curve
same pattern but lower than the left ventricle curve
different pattern and lower than the left ventricle curve
The graph shows pressure changes in the left atrium, left ventricle and aorta during a cardiac cycle.
What is happening at point D on the graph?
semilunar valves open
semilunar valves close
atrioventricular valves open
atrioventricular valves close
What is happening at point A?
The bicuspid valve opens for blood to flow from left atrium to left ventricle
The bicuspid valve opens for blood to flow from left ventricle to aorta
The bicuspid valve closes to prevent backflow of blood from left atrium to left ventricle
The bicuspid valve closes to prevent backflow of blood from left ventricle to left atrium
What is happening at point B? Pick 2 answers.
Bicuspid valve is forced open
Bicuspid valve remains closed
Semi-lunar valve is forced open
Semi-lunar valve remains closed
When does ventricular systole occur?
From points A to B
From points A to C
From points B to C
From points B to D
What causes the changes in pressure in the ventricles?
Opening and closing of atrioventricular valves
Opening and closing of semi-lunar valves
Contraction and relaxation of muscles in ventricles
Contraction and relaxation of ventricles
