URR Echocardiography; Questions & Answers
100% Correct
a wave that requires a medium through which to travel, cannot travel in a
vacuum Correct Answer-mechanical wave
transducer that requires mechanical focusing and steering. electrical focusing
and steering is not possible Correct Answer-si...
URR Echocardiography; Questions & Answers
100% Correct
a wave that requires a medium through which to travel, cannot travel in a
vacuum Correct Answer-mechanical wave
transducer that requires mechanical focusing and steering. electrical focusing
and steering is not possible Correct Answer-single element transducer
Multiple elements used to create an image by varying timing of the electrical
pulses to different elements in the array Correct Answer-phased array
high frequency probes have ________ penetration and _________ resolution
Correct Answer-low, high
Transducer contains a large number of rectangular piezoelectric elements
arranged in a linear pattern Correct Answer-sector phased array
Combine sequenced linear array and phased array techniques to provide a
trapezoidal imaging format Correct Answer-vector array
In a sector image, the number of scan lines per degree of the sector determines
______ Correct Answer-line density
increasing the line density will _______ # of pulses per frame, improve spatial
resolution (axial and lateral), __________ frame rate and ___________ temporal
resolution. increase/decrease? Correct Answer-increases, decreases,
decreases
, URR Echocardiography; Questions & Answers
100% Correct
increasing sector angle will have _________ spatial resolution and ________
temporal resolution. degraded/improved? Correct Answer-improved,
degraded
decreasing sector angle will _______ spatial resolution and ________ temporal
resolution. degrade/improve Correct Answer-degrade, improve
list 2 types of spatial resolution Correct Answer-axial and lateral
Resolution with the ability to resolve two separate structures that lie
perpendicular to the ultrasound beam Correct Answer-lateral resolution
Resolution with the ability to resolve two separate structures that lie parallel to
the ultrasound beam Correct Answer-axial resolution
forms aorta and pulmonary artery Correct Answer-trunctus arteriosus
forms left ventricle Correct Answer-primitive ventricle
Forms the atria Correct Answer-sino-atrium
forms right ventricle and truncus arteriosus Correct Answer-bulbous cordis
forms the atrial septum, membranous ventricular septum, MV and TV
Correct Answer-endocardial cushions
composed of 2 segments that will become SVC, IVC and atrial floor Correct
Answer-sinus venosus
connects pulmonary trunk to aortic arch, majority of flow bypasses fetal lungs
Correct Answer-ductus arteriosus
connects the umbilical vein to the inferior vena cava, bypassing the liver
Correct Answer-ductus venosus
position of apex Correct Answer-inferior, anterior and leftward
position of base Correct Answer-superior, posterior and rightward
which AV valve is closer to the apex? Correct Answer-TV
normal valve area of TV Correct Answer-5-8cm²
Which AV valve opens and closes first? Correct Answer-MV
which SL valve opens and closes first? Correct Answer-AoV
name leaflets of TV Correct Answer-anterior, posterior and septal/medial
, URR Echocardiography; Questions & Answers
100% Correct
name leaflets of MV Correct Answer-anterior and posterior
normal valve area of MV Correct Answer-4-6cm²
which AoV leaflet lies closest to IAS? Correct Answer-NCC
normal AoV area Correct Answer-3-4cm²
which coronary artery courses through the anterior interventricular groove?
Correct Answer-left anterior descending(LAD)
the right coronary artery (RCA) courses through the _________ __________
Groove Correct Answer-Right Atrioventricular Coronary
the posterior descending coronary artery and middle coronary vein course
through which groove? Correct Answer-posterior interventricular groove
the left circumflex coronary artery (LCX) courses through the ________
__________ Groove Correct Answer-Left Atrioventricular Coronary Groove
the right main coronary artery (RCA) supplies blood to which 5 structures?
Correct Answer-both atria, atrial septum, RVFW, and RV apex
left main coronary artery (LCA) branches into what 2 arteries? Correct
Answer-left anterior descending (LAD) and left circumflex (LCX)
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