ULTRASOUND TEST COMPILATION BUNDLE

Ultrasound Practice Questions and Answers 2023 Ultrasound velocity is higher in denser tissue? True/False True When individual ultrasound waves combine, the process is called 1. Attenuation 2. Interference 3. Diffusion 4. Reflection 2. Interference When ultrasound waves retur...

Vet Tech Ultrasound Questions and Answers 2023 Ultrasound Sound waves with frequencies above 20,000 Hz. Real time images Cine loop a continuous feed that allows you to do a recording of what is being visualized at that time Cardiac studies What are ultrasounds most beneficial in? ...

Ultrasound Physics definitions Questions and Answers 2023 A mode Mode of operation in which the display records a spot deflection for each echo delivered from the receiver (no longer used) Absorption Conversion of sound to heat Acoustic Having to do with sound Acoustic varia...

Ultrasound physics Ch.15-17 Questions and Answers 2023 Bistable composed of only 2 shades: black and white (high contrast) Gray scale multiple levels of brightness, allows the system to assign different gray shades to differentiate biologic tissues Controls which alter characteristi...

Ultrasound Questions and Answers 2023 How does the ultrasound work? Ultrasound machines conduct sound waves through transducer probes; these waves travel from the probe into the body, bounce off of body tissues and structures and reflect back to the probe. The probe contains specialized crystals t...

Ultrasound Questions and Answers 2023 - high frequency sound waves beyond the range of hearing (20 Hz-20 KHz) What is ultra sound? mechanical energy as sound waves are transmitted through a patient (tissues) and returning echoes are detect what is the physics of ultrasound? - a cons...

Basics of Ultrasound Questions and Answers 2023 Audible range 20 Hz- 20,000 Hz Ultrasound frequency range above 20,00 SONAR measurement of ultrasound echoes in distances SCANS using ultrasound to see inside objects Infrasound anything below 20 hz -inaudible to...

Ultrasound Questions and Answers 2023 acoustic Ultrasound is a form of what type of energy? acoustic energy propagation of vibratory motion through a material or tissue 20,000 to 3,000,000 Hz What is the range of ultrasonic wave frequencies? quartz crystal The vibration of ...

Ultrasound- Radiology Questions and Answers 2023 What is the relationship between ultrasound transducer frequency and imaging depth? The lower the frequency the greater the depth. The higher the frequency the less depth, but greater resolution. What is the pulse echo principle? A short bur...

Ultrasound Questions and Answers 2023 What is anechoic? .structure that does not produce echoes E.g. lumen of blood vessels,bladder (appear black) What is Echogenic? .structure that produces echoes, appears white E.g. surface of bone What is Hyperechoic? .structure that produc...

Ultrasound Terms Questions and Answers 2023 Acoustic Enhancement "Increased echo amplitude" or "posterior through transmission" visualized posterior to a structure that does not attenuate (decreased, stop, impede, or absorb) the sound beam. Considered a type of sonographic artifact. -- Bright...

Ultrasound in pregnancy Questions and Answers 2023 What are some uses of ultrasound in pregnancy? fetal viability dating or determining gestational age evaluation of fetal growth placental localization fetal anatomy and diagnosis of anomalies assessment of fetal well-being maternal pelvic or...

Ultrasound Physics Questions and Answers 2023 gain - "amplification" - ratio of output/input - increases or decreases the echodensity or "brightness" equally throughout the image focal zone area in which the image detail is the best output power - electrical power to the tran...

Ultrasound Modes Questions and Answers 2023 B-mode (Brightness mode) 1. Information displayed as a 2-dimensional map 2. Grey-scale used to show corresponding echo amplitude 3. Ultrasound beam is steered through the patient and data is collected along each line of sight using the pulse-echo pri...