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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
What separates the left and right sides of the heart?	Septum
What is another name for the left atrioventricular (AV) valve?	Mitral valve / Bicuspid valve
The right atrioventricular valve is known as the:	Tricuspid valve
Where are the semilunar valves located?	Between the ventricles and their great vessels
Which chamber has the thickest myocardium?	Left ventrcile
What is another name for the sinoatrial (SA) node?	Mitral valve / Bicuspid valve
In which chamber is the sinoatrial (SA) node located?	Right atrium
Lub-hiss-dub might indicate which of the following?	Defective AV valve
Lub-dub-hiss might indicate which of the following?	Defective semilunar valve
On average, approximately how long is a cardiac cycle?	0.8 seconds
On average, approximately how long is atrial systole in a cardiac cycle?	0.1 second
On average, approximately how long is ventricular systole in a cardiac cycle?	0.3 seconds
Which of these happens during ventricular systole?	AV valves open & semilunar valves close
When the ventricles contract, the bicuspid valve prevents blood from flowing from the:	left atrium
The pulmonary semilunar valve prevents blood from re-entering the:	right ventricle
What are the “heart strings” that prevent the prolapse of the atrioventricular valves?	chordae tendinea
The detection of the hearts electrical impulses is referred to as a(n):	electrocardiogram
The term diastole is most associated with which of the following?	Relaxed heart chamber
The term systole is most associated with which of the following?	Contracted heart chamber
During which phase of the heartbeat does the heart fill with blood?	Diastole
During which phase of the heartbeat does the heart discharge blood?	Systole