IBHRE CEPS (Electrical Engineering) SELF TEST
REVISION QUESTIONS AND ANSWERS.
The new RF powered transseptal needle that may be used to puncture a
fibrotic and aneurysmal atrial septum has:
a. Irrigated tip RF electrode
b. A mounted ICE transducer
c. Side holes for pressure and contrast
d. A leading atraumatic J guide wire
Verified Answer -c. Side holes for pressure and contrast
What are ultrasound transducers comprised of?
Verified Answer -Piezoelectric crystal
When Doppler ultrasound senses flow away from a transducer, the
resulting ultrasound wave has a:
a. Higher relative frequency
b. Lower relative frequency
c. Higher relative amplitude
d. Lower relative amplitude
Verified Answer -b. Lower relative frequency
183. In cardiovascular doppler, what is the usual target off of which the
ultrasound waves are reflected back?
a. Plasma eddies
b. Red blood cells
c. Cardiac veins

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jordancarter 7 months ago

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