Quiz 1

which of the following vessels has the lowest oxygen saturation?
Coronary sinus
Inferior vena cava
Pulmonary artery
which of the following valves is related to the right ventricular outflow tract (RVOT)
Pulmonary valve
Mitral valve
Tricuspid valve
which vessel drains deoxygenated blood from the head and the upper extremities
Aorta
Superior vena cava
Portal vein
which of the following is the biscupid valve?
Mitral valve
Aortic valve
Trascupid valve
at which point of the egg does the ventricular systole begin
Peak of p wave
Peak of R wave
Onset of t wave
Atrial contraction occurs at :
Early phase of ventricular systole
Late phase of ventricular diastole
Early phase of ventricular diastole
the triscupid valve opens when
The pulmonic valves open
The papillary muscle contrast
The right ventricular pressure drops below the right atrial pressure
the most anterior cardiac chamber is the
Right ventricle
Left ventricle
Left atrium
the cardiac chamber with the thickness wall is the ?
Right atrium
Left ventricle
Right ventricle
during what part of the cardiac cycle does most of the coronary artery flow occurs?
Early phase of ventricular diastole
Early phase of ventricular systole
Late phase of ventricular diastole
The most posterior cardiac chamber is the
Left ventricle
Left atrium
Right ventricle
the two branches of the left coronnary artery are the :
Circumflex and left anterior descending
Circumflex and marginal
Circumflex and septal pertorators
at which point of the egg does the ventricular diastole begin:
At the p of p wave
At the end of t wave
At the p of R wave
ejection of blood from the ventricles of the heart occurs whe the-----valves opeN
Triscupid and mitral
Triscupid and aortic
Pulmonic and aortic
venous return of the myocardium is going to the right atrium through the :
Superior vena cava
Coronary sinus
Inferior vena cava
the fossa ovalis is in the :
Interventricular septum
Interactuado septum
Apex of the heart
During isovolumic relaxation phase the intraventricular pressure---while intraventricular volume----
Increases-remains the same
Remains the same -decreases
Decrease-remains the same
the left atrium receives blood from the:
Pulmonary veins
Pulmonary arteries
Aorta
the normal pacemaker of the heart is the
Sinotrial (SA) Node
Bundle of hls
Purkinje fibers
blood leaves the left ventrcle through the -----valve
Mitral
Pulmonary
Aortic
the left surface of the heart is mainly formed by the :
Right ventricle
Right atrium
Left ventricle
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