What travels in a wave - Study guides, Class notes & Summaries

Edelman's SPI Exam Tested Questions With Revised Correct Detailed Answers With Rationales GRADED PASS 1) AMPLITUDE, POWER, & INTENSITY; What determines the initial amplitude of an ultrasound wave? A. the transducer B. the medium through which the sound travels C. both A and B D. neither choice A nor B - ANSWER the transducer; the initial strength or amplitude of a sound wave is determined by the vibration of the piezoelectric crystal in the transducer. The greate...

ARDMS,SPI Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: What does rarefied mean? Answer: Stretched apart Q: Sound travels in a ________ line. Answer: Straight Q: Sound waves are ____________ waves. Answer: Longitudinal Q: What is the propagation speed dependent on? Answer: The medium Q: Are there any biologic effects on tissue? Answer: No Q: Sound waves are identified by Answer: O...

Test bank For Women's Health Care in Advanced Practice Nursing 2nd Edition by Ivy M Alexander | 2017/2018 | 9780826190017 | Chapter 1-46 | Complete Questions and Answers A+ Chapter 1 Women and Their Health The United States ranks 50th in the world for maternal mortality and 41st among industrialized nations for 1. infant mortality rate. When developing programs to assist in decreasing these rates, which factor would most likely need to be addressed as having the greatest impact? A) Resolving al...

Test Bank For Radiation Protection in Medical Radiography 9th Edition by Sherer | Chapter 1-14 | Complete 2023. Chapter 01: Introduction to Radiation Protection Sherer: Radiation Protection in Medical Radiography, 9th Edition MULTIPLE CHOICE 1. Consequences of ionization in human cells include 1. creation of unstable atoms. 2. production of free electrons. 3. creation of highly reactive free radicals capable of producing substances poisonous to the cell. 4. creation of new biologic mole...

NCTI FIELD TECH 4-5 TEST EXAM Complete Solutions | Latest 2023/2024 What term describes the number of wave crests that pass a fixed point during a particular period of time? -- Frequency In data networking, this term is defined as "Signals may flow in either direction, but not simultaneously". -- Half-duplex Two CPUs have the same size data bus. Which one will process data faster? -- The one with a higher clock speed This unique ID number is coordinated by the Institute of Electrical a...

Test Bank For Applied Pathophysiology for the Advanced Practice Nurse, 1st Edition Lucie Dlugasch, Lachel Story. Which of the following coenzymes is(are) necessary for normal red blood cell nuclear maturation and DNA synthesis pathway? A) Vitamin D B) Folate C) Calcium D) Vitamin B12 (cobalamin) E) Both folate and vitamin B12 (cobalamin) Ans: E Complexity: Easy Ahead: Hematopoietic System Subject: Chapter 3 Title: Hematopoietic Function 2. von Willebrand factor is directly involved ...

HESI A2 2024 Which of these statements is true regarding the way light travels? A. Sound travels faster than light. B. The speed of light is always the same regardless of the medium through which it travels. C. Light travels as both a wave and a particle. D. Light can not travel through a vacuum. - ANSWER C. Light travels as both a wave and a particle. Light is a curiosity in that it acts as both a wave and a particle. It only changes direction via r...

Which of the following statements about speed and attenuation are true? a. Attenuation through and propagation speed in a particular medium are unrelated to each other. b. When a sound beam travels faster in a medium, the attenuation is less. c. When a sound beam travels slower in a medium, the attenuation is more. - ️️Attenuation through and propagation speed in a particular medium are unrelated to each other. Which of the following lists is in increasing order? a. mega, kilo, milli...

SPI ARDMS Exam Review Final Questions and Answers ultrasound imaging type in which pulses are reflected and used to produce a display - CORRECT ANSWER-pulsed wave brightness of the dots on image - CORRECT ANSWER-amplitude round-trip travel time per cm in soft tissue - CORRECT ANSWER-13 microseconds A line produced on a display that represents ultrasonic echoes returning from the body. A sonographic image is composed of many such lines. - CORRECT ANSWER-scan line Type of image presented...

CWB MOD 19 ULTRASONIC INSPECTION QUESTIONS AND ANSWERS RATED A Exercise Questions - Section 1 & 2 1. The upper limit of human hearing is approximately a) 20 Hz b) 20 kHz c)20 MHz b) 20 kHz Exercise Questions - Section 1 & 2 2. A typical frequency used for ultrasonic testing of welds is: a) 2.25MHz b) 2.25kHz c) 2.25 Hz a) 2.25MHz Exercise Questions - Section 1 & 2 3. If an ultrasonic wave in a block of steel has a wavelength of 1.3 mm and travels at a velocity of 5.85 x 10 power of 3 m/s. Wh...