Skip to content
Back to quiz
6. When the ventricles contract...
- The semilunar valves fill with blood and are closed
- The atrioventricular valves fill with blood and are closed
- Pressure causes the atrioventricular valves to open
7. What is the role of the septum?
- To keep the blood moving through the heart
- To separate oxygenated and deoxygenated blood
- To create pressure in the heart
- To keep te heart together
8. The right atrium needs to create a lot of pressure
9. Tendinous chords attach the valves to the walls of the ventricle
10. When the atria and ventricles are relaxing, blood flows into the heart, this is called
11. Which is the correct order for the cardic cycle?
- Diastole, Atrial Systole, Ventricular Systole
- Atrial Systole, Diastole, Ventricular Systole
12. According to the OCR textbook, the first sound of the heart "lub" is made by...
- The atrioventricular valves closing
- The semilunar valves closing
- The left ventricle contracting
- The right atrium contracting
13. During which stage of the cardiac cycle is the volume of blood inside the ventricles is at it's lowest?
- Beginning of Ventricular systole
- Beginning of Atrial Systole
- End of Ventricular Systole
- End of Atrial Systole
14. The pressure in the ventricles is always greater than that in the Aorta
15. The heart muscle is described as being...
- Myoganic
- Myogenial
- Myogenic
- Myofunctional
- Myoginital
16. The AVN initiates a wave of excitation at regular intervals
17. Approximately how many times a minute does a wave of excitation uccur in a human?
- 30-55
- 80-105
- 55-80
- 5-30
- 105-130
18. The specialised conducting tissue found in the septum is called...
- Perkyne Tissue
- Purkyme Tissue
- Purkine Tissue
- Purkyne Tissue
- Perkine Tissue