Ultrasound Course Pre-Quiz PDF

Ultrasound Course Pre-Quiz 1. Select the most appropriate transducer for an abdominal aortic aneurysm ultrasound examination a. Linear transducer (8-12MHz) b. Sector transducer (6-9MHz) c. Curvilinear transducer (3-5MHz) d. Annular array (4MHz) 2. EFAST sc...

Ultrasound Course Pre-Quiz 1. Select the most appropriate transducer for an abdominal aortic aneurysm ultrasound examination a. Linear transducer (8-12MHz) b. Sector transducer (6-9MHz) c. Curvilinear transducer (3-5MHz) d. Annular array (4MHz) 2. EFAST scans can determine if the is blood in the peritoneal cavity a. True b. False 3. Label the following structures:  a. _________ b. _________ c. ________ d. _________ e. _________ 4. In EFAST scanning, if good images are obtained with ultrasound then an abdominal CT scan is not required. a. True b. False 5. Diagnostic ultrasound has been shown to cause the following potential harmful effects in humans (tick as many as are correct): a. Tissue heating b. Foetal malformations c. Pulmonary haemorrhage d. Bowel perforation e. Foetal deaths 6. The velocity of ultrasound waves in the human body is: a. Dependent on frequency b. Irrelevant to modern day ultrasound machines c. Variable by less than less than 10% through different body tissues d. Almost constant in soft tissue 7. The reflection coefficient between air and water is: a. 90% b. 1% c. Nearly 100% d. 50% 8. Which of the following is not a means of attenuation? a. Absorption b. Reverberation c. Reflection d. Scatter e. Refraction 9. What percentage of time does a typical pulses ultrasound system spend receiving echoes a. 99% b. 90% c. 50% d. 1% 10. Regarding the frequency of ultrasound waves in tissues. Which is correct? a. Lower frequency waves are best for viewing fine detail b. Increasing frequency will improve tissue penetration c. Frequency is inversely proportionate to wavelength d. Increasing frequency will increase velocity of the sound wave 11. Artefacts are unhelpful. True or false: a. True b. False 12. In a patient with a known AAA, ultrasound can allow a patient with renal colic type pain to be safely observed overnight. a. True b. False 13. What is the principle artefact that is evident in this image? a. Comet tail artefact b. Mirror artefact c. Acoustic shadowing artefact d. Acoustic enhancement artefact 14. Lateral resolution is: a. A function of spatial pulse length b. The ability to differentiate between two objects laying in the same line as the US beam c. The ability to see as wide as possible d. Greatest in the focal zone