2026 FULL SOLUTION VIEW AHEAD
QUESTIONS AND ANSWERS GRADED A+
●● What is period? Answer: The period is the duration of time it takes
for one complete cycle of a wave to pass a given point, typically
measured in seconds.
●● What are facts about intensity? Answer: Intensity refers to the power
per unit area of a sound wave, typically measured in watts per square
meter (W/m²). It is related to the amplitude of the wave and affects the
quality of the ultrasound image.
●● Which structures act as specular reflectors? Answer: Specular
reflectors are typically smooth surfaces such as the heart valves and the
pericardium that reflect ultrasound waves in a coherent manner.
●● When is the thickness of the IVS visualized the best? Answer: The
thickness of the interventricular septum (IVS) is best visualized in the
parasternal long axis (PLAX) view.
●● Which transducer should be used for a patient with a large body
habitus? Answer: For a patient with a large body habitus, a low-
frequency transducer (such as a 2.5 MHz) should be used to penetrate
, deeper tissues. For a small body habitus, a higher frequency transducer
(such as a 3.5 MHz) can be used for better resolution.
●● What are the differences between sector phased array and vector
phased array transducer? Answer: A sector phased array transducer
produces a pie-shaped image and is ideal for cardiac imaging, while a
vector phased array transducer provides a rectangular image and can be
used for both cardiac and abdominal imaging.
●● What is the Pedoff probe and when is it used? Answer: The Pedoff
probe is a continuous wave Doppler transducer used for measuring high-
velocity blood flow, particularly in cases of valvular heart disease.
●● What improves temporal resolution? Answer: Temporal resolution is
improved by increasing the frame rate, which can be achieved by
reducing the depth of the image or using a lower number of scan lines.
●● What improves lateral resolution? Answer: Lateral resolution is
improved by using a higher frequency transducer and focusing the
ultrasound beam.
●● What does overall gain do? Answer: Overall gain adjusts the
brightness of the entire ultrasound image by amplifying the received
signals.