Ultrasound physics

Test For Ultrasound Physics Chapter 14(A+ Graded) 1.) the preparation and transmission of electrical signals to the transducer, which creates a sound beam 2.) the reception of electrical signals from the transducer, with subsequent processing into clinically meaningful images and sounds - CORRECT ANSWER-2 major functions of ultrasound system: 1) transducer 2) pulse and beam former 3) receiver 4) display 5) storage 6) master synchronizer - CORRECT ANSWER-6 major components of ul...

Ultrasound Physics Chapter 19 Test Question & Correct Answer (100% Correct) Doppler shift is also called - CORRECT ANSWER-Doppler frequency Process of extracting the low doppler frequency from the transducers carrier frequency is called - CORRECT ANSWER-Demodulation Relative motion between ___ and ___ creates frequency change - CORRECT ANSWER-Sound source and receiver This physical principle of frequency change is used to measure ___ of blood in circulation - CORRECT ANSWER-Velocity

Understanding Ultrasound Physics Exam Test /Latest Version 2024 Mechanical Transducer - CORRECT ANSWER-- Disc shaped - One active element - Fan or sector shaped - Crystal moves with motor - Steered mechanically - Fixed focusing - No image when PZT is damaged What is the channel a combination of? - CORRECT ANSWER-Combination of the active element, wire, and system electronics. Types of Array Transducers - CORRECT ANSWER-Linear Annular Convex

Ultrasound Physics Chapter 13-14 exam guide with questions and correct answers 2024

Understanding Ultrasound Physics Latest Version 2024 (Chapter 17) harmonic frequency? - CORRECT ANSWER-twice the fuhdamental frequency (second harmonic frequency) fundamental frequency? - CORRECT ANSWER-the frequency of sound created by the transducer and transmitted into the body. transducer transmits a sound pulse with a frequency of 2 MHz.. what about in harmonic mode? - CORRECT ANSWER-4 MHz harmonic frequency sound waves arise from? - CORRECT ANSWER-nonlinear behavior

Test For Understanding Ultrasound Physics With Actual Question & Answer Axial Resolution - CORRECT ANSWER-Measures the ability of a system to display two structures that are very close together when the structures are PARALLEL to the sound beam's main axis. Resolution - CORRECT ANSWER-The ability to create accurate images Axial Resolution - CORRECT ANSWER-What answers the question, what is the minimum distance that two structures positioned front to back or parallel to the sound beam ...

Understanding Ultrasound Physics (Chapter 3) Exam Question & Correct Answer (Verified) Parameters - CORRECT ANSWER-describe features of a sound wave What are the 7 parameters? - CORRECT ANSWER-period, frequency, amplitude, power, intensity, wavelength, speed What is the source of a sound wave? - CORRECT ANSWER-ultrasound system and transducer What is the tissue through which the sound can travel called? - CORRECT ANSWER-medium

Understanding Ultrasound Physics 4th Edition Exam Study Guide 2024 What is the ability of the system to create numerous frames each second? - CORRECT ANSWER-Frame rate How is frame rate determined? - CORRECT ANSWER-Sounds speed in the medium, depth of imaging What unit is frame rate measured in? - CORRECT ANSWER-Hertz What does "accuracy in time" (the ability to precisely position moving structures from instant to instant) describe? - CORRECT ANSWER-Temporal resolution

Understanding Ultrasound Physics 4th Edition Exam Question & Correct Answer Mechanical Transducer - CORRECT ANSWER-- Disc shaped - One active element - Fan or sector shaped - Crystal moves with motor - Steered mechanically - Fixed focusing - No image when PZT is damaged Channel - CORRECT ANSWER-Combination of the active element, wire, and system electronics. Types of Array Transducers - CORRECT ANSWER-Linear Annular Convex

Ultrasound Physics Latest Exam Review With Accurate Solution Pulse repetition frequency - CORRECT ANSWER-What is the number of pulses that an ultrasound system transmits into the body each second? No - CORRECT ANSWER-Can the sonographer change the spatial pulse length? Both the source and the medium - CORRECT ANSWER-What determines the spatial pulse length? Depth - CORRECT ANSWER-What control on the system will change the duty factor?