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