NEW
Font size
WorksheetsHeartbeat and cardiac cycle
Total questions: 13
Worksheet time: 10mins
Define diastole
when the heart is relaxing
when the heart is contracting
duration of the cardiac cycle
frequency of the cardiac cycle
The cardiac cycle does not require nerve stimulation to contract like other muscles
True
False
What is the sequence of excitation of the heart muscle?
sinoatrial node -> atrioventricular node -> ventricles
pulmonary artery -> pulmonary vein -> vena cava
pulmonary vein -> vena cava -> pulmonary artery
atrioventricular node -> ventricles -> sinoatrial node
What is another name for a mitral valve?
bicuspid
tricuspid
aortic
pulmonary
Which of the following correctly describes the sequence of excitation of heart muscle?
AV node -> bundle of HIS -> SA node
SA node -> AV node -> bundle of HIS
bundle of HIS -> SA node -> AV node
AV node -> SA node -> bundle of HIS
