ANSWERS.
lateral resolution diminishes as beam width __________ and depth __________ correct answers
increase, increase
a decrease in ultrasound frequency corresponds to which of the following? correct answers
increased penetration, increased resolution
a patient is admitted to the ICU suffering a myocardial infarction. on day 7, a new holosystolic
murmur is heard and the patient begins to appear in shock. what two cardiac disorders are
LIKELY? correct answers papillary muscle rupture or ventricular septal defect
assessing a tricuspid regurgitation jet with continuous wave doppler can help in estimating
correct answers RV systolic pressure
a high frequency flutter of the mitral valve is most consistent with correct answers aortic
insufficiency
when evaluating a VSD with continuous wave doppler, a 5.0 m/s jet from the LV to the RV is
detected. The most likely diagnosis is a correct answers restrictive VSD
which of the following would have the longest duration of their flow velocity profile obtained in
ventricular systole correct answers MR
the ability to distinguish between two objects in close proximity is termed correct answers
resolution
which windows are best imaged with the patient in the supine position? correct answers
subcostal, suprasternal
during an ultrasound examination, adjustment of the time-gain controls compensates for correct
answers tissue attenuation
adjusting the focal zone has the greatest effect on the correct answers lateral resolution
which cardiac tumor most often attaches to a cardiac valve correct answers papillary
fibroelastomas
a decrease both in sector size and depth of view when using color doppler will correct answers
preventative maintenance on an ultrasound system should be performed correct answers annually
which of the cardiomyopathies is characterized by distinct LV apical wall motion abnormalities
in the presence of normal coronary arteries correct answers Takotsubo