Lateral resolution - Study guides, Class notes & Summaries

SPI Practice Test Questions With 100% Correct Answers Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - ANS-d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - ANS-d. Damping in a transducer a. reduces the number of cycles in a pulse and increases the quality factor b. increases the number of cycles in a pulse and ...

transducer Electronic pulses from the pulser are applied to the ? amplification, compensation, compression, and demodulation What functions are preformed by the receiver? the ratio of the maximum to the minimum intensity that can be displayed The dynamic range of an ultrasound system is described as? frequency divided by bandwidth How is the QF of a transducer determined? PZT The most common man-made crystal is : travel time and speed Which variables must be known in order to calculat...

MAMMOGRAPHY FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS Visualizing the ribs on a mammogram ensured that the entire breast was on the image - correct answer False Women are encouraged to not apply deodorant or talcum powder the day of the mammogram - correct answer True The impetus behind screening mammography was - correct answer The introduction of a dedicated mammography machine On a lateral view, the nipple indicates if a legion is - correct answer superior or inferior Use ...

reflection return of the ultrasound wave to the transducer from a smooth surface when does the greatest amount of reflection occur when the incident beam is perpendicular to structure (specular reflection) scatter deflection of ultrasound waves from small structures (red blood cells scatter sound) refraction deflection of Ultrasound waves due to media with varied acoustic impedance attenuation loss of Ultrasound signal due to absorption in tissues as it travels ...

A highly attenuating structure inhibits the transmission of sound which produces an anechoic area, posterior to the structure known as - Shadowing Increasing sector size increases the - Number of pulses needed to create the image Increasing sector size will decrease the - Frame rate and temporal resolution Spatial resolution will improve with - Increased line density ________________ resolution is the ability to differentiate two reflectors that are perpendicular to the US beam - Lateral _______...

CMIT Exam (200 multiple choice) Questions with Verified Answers A CM's role and responsibilities are governed solely by the Owner/CM Agreement. True False - CORRECT ANSWER True There are two basic forms of CM, agency and at-risk. Each form provides for the basic services of construction management practice. However, there are some key differences. Which of the following do not apply to both CM forms? A) Both forms provide advice to the owner on constructibility, budget and the schedule....

The direction of the Doppler shift determines: A. the peak velocity of the flow B. the color Doppler hue C. the average velocity of the flow D. the color Doppler luminance -answer- B. the color Doppler hue Color Hue - perceived color used to demonstrate direction (red and blue or positive and negative shift) What is the primary factor that determines the resistance characteristics of the arterial signal displayed by PW Doppler? A. vessel course and location B. branch number C. part it...

Which two nerves are most at risk during a lateral ankle ligament operation? - CORRECT ANSWER Sural Nerve/Superficial Peroneal Nerve What is the most common motion responsible for lateral ankle sprains? - CORRECT ANSWER Inversion, Plantar-Flexion What is the most common ligament disruption involved in lateral ankle sprains? - CORRECT ANSWER ATFL T/F - Plasma makes up 55% of whole blood. - CORRECT ANSWER True T/F - Platelets (Thrombocytes) are a com...

SPI Practice Test Questions & Answers 2024 Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - ANSWER-d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - ANSWER-d. Damping in a transducer a. reduces the number of cycles in a pulse and increases the quality factor b. increases the number of cycles in a pulse and incre...

MAMMOGRAPHY FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS Visualizing the ribs on a mammogram ensured that the entire breast was on the image. a) True b) False B) False Use of sponges as a positioning aid when performing a lateral view that included imaging into the lung field compromised which physics principle? a) Sharpness/resolution b) Line focus principle c) Inverse square law d) Reciprocity law failure A) Sharpness/resolution The early (nondedicated) imaging s...