QUESTIONS AND CORRECT ANSWERS.
During the development of the fetal heart, the conus arteriosus will eventually
become
the right ventricular outflow tract.
Which of the following results from a combination of a shunt and high pulmonary
vascular resistance?
Eisenmenger syndrome;
Shunt the left to right and then it (stops or reverses) switches to right to left
Isolated aortic valvular stenosis is most often due to
bicuspid valve
Which of the following is the normal looping and rotation of the heart?
D-looping with leftward rotation
Which of the following indicates the correct positioning of an index mark on a
Two-dimensional echocardiographic transducer, as recommended by the
American Society of Echocardiography?
Indicates the edge of the imaging plane to appear on the right side of the display
The most anterior surface of the heart is primarily formed by the
RV
What echocardiographic transducer placement will most likely give you the most
information regarding left ventricular function on a barrel-chested individual who
has emphysema?
subcostal
Which of the following Two-dimensional echocardiographic views would be used
to planimeter the mitral valve area?
, PSAX
In reference to the base of the heart, the insertion of the septal leaflet of the
tricuspid valve is
inferior to the insertion of the anterior mitral leaflet.
The cross-sectional area of the aortic root times the time of velocity integral of
the same location is equal to
stroke volume
When evaluation left ventricular function by Two-dimensional echocardiography
using an apical long axis orientation, which of the following would most likely
result in endocardial drop outs?
Endocardium being parallel to the sound beams
An M-mode recording of the aortic valve that demonstrates a reduced opening,
reduced opening velocity, and a drifting closed is most consistent with
c. decreased cardiac output.
Which of the following is used to calculate fractional shortening?
LVIDd - LVIDs/ LVIDd x 100
Which of the following is considered to be a major advantage of M-mode over
Two-dimensional echocardiography?
rapid sampling rate
The equation for determining cardiac output from ventricular volumes is
(LVEDV - LVESV) x HR.
What is the remnant of the embryonic opening between the right and left atria?
fossa ovalis
Which of the following atrial septal defects lies high on the interatrial septum
next to the superior vena cava?