Ultrasonic waves - Study guides, Class notes & Summaries

Respiratory Therapy - Lindsey Jones/Clinical Simulations 459 Questions with Verified Answers Information Gathering - Emphysema: (Abnormal condition of the alveoli resulting destruction and loss of elasticity) - CORRECT ANSWER LEVEL I : Cyanosis, Barrel chest, increased A-P diameter, Accessory muscle use, Digital clubbing of the nail beds, Significant history of smoking and/or occupational exposure to smoke or other pulmonary irritant LEVEL II : Dyspnea, Wheezing breath sounds LEVEL III ...

Respiratory Therapy - Lindsey Jones/Clinical Simulations 459 Questions with Verified Answers Information Gathering - Emphysema: (Abnormal condition of the alveoli resulting destruction and loss of elasticity) - CORRECT ANSWER LEVEL I : Cyanosis, Barrel chest, increased A-P diameter, Accessory muscle use, Digital clubbing of the nail beds, Significant history of smoking and/or occupational exposure to smoke or other pulmonary irritant LEVEL II : Dyspnea, Wheezing breath sounds LEVEL III ...

SPI PRACTICE QUESTIONS 2023/2024 Sound waves are: - ANSWER-longitudinal, mechanical The speed of sound in soft tissue is closest to: - ANSWER-1,500 m/s The frequency closest to the lower limit of ultrasound is: - ANSWER-15,000 Hz Which is not an acoustic variable? - ANSWER-intensity The effects of soft tissue on ultrasound are called: - ANSWER-acoustic propagation properties All of the following are true EXCEPT: - ANSWER-two waves with identical frequencies must interfere const...

Which agency provides standards for the Installation of Sprinkler Systems in Central Service department? - Answer- NFPA (National Fire Protection Association) K-wire is used for which of the following procedures? - Answer- Orthopedic Which of the following is considered a critical device? - Answer- Retractors The final phase of Ethylene oxide sterilization cycle is: - Answer- Aeration Which of the following steam sterilization method uses series of vacuum and pressure pulse to remove...

ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for one complete wavelength to pass a fixed poin...

The time from the beginning of a pulse until its end is ______________? - ️️pulsed duration If the frequency of US is increased from 0.77MHz to 1.54MHz, what happens to the propagation speed? - ️️remains the same All of the following are true EXCEPT: - ️️two waves with identical frequencies must interfere constructively As a result of ______________, the propagation speed increases - ️️decreasing compressibility and density Sound waves are: - ️️longitudinal, mechanica...

Edelmen's SPI Exam Review Questions With 100% Correct Answers 2024 Sound waves are: a) electric b) mechanical, transverse c) spectral d) longitudinal, mechanical - ANS-D The speed of sound of ultrasound in soft tissue is closest to: a) 1,540 km/sec b) 1.54 km/sec c) 1,500 m/s d) 1,540 mm/sec - ANS-C Which is not an acoustic variable? a) density b) pressure c) distance d) intensity - ANS-D The effects of soft tissue on ultrasound are called: a) acou...

Sound waves are: a) electric b) mechanical, transverse c) spectral d) longitudinal, mechanical -answers - D The speed of sound of ultrasound in soft tissue is closest to: a) 1,540 km/sec b) 1.54 km/sec c) 1,500 m/s d) 1,540 mm/sec -answers - C Which is not an acoustic variable? a) density b) pressure c) distance d) intensity -answers - D The effects of soft tissue on ultrasound are called: a) acoustic proliferation properties b) dynamic effects c) acoustic pr...

1. The indication on the instrument display that represents the far boundary of material being tested is called: - the back-surface reflection. 2. In immersion testing, the position of the transducer is often varied by a manipulator to transmit sound into the test part at various angles to the front surface. Such a procedure is referred to as: - angulation. 3. The technical name for the cable that connects the ultrasonic instrument to the transducer is: - coaxial cable 4. The process of s...

When were X-rays discovered? A. 1795 B. 1890 C. 1895 D. 1901 - correct answer C. 1895 What form of Energy are X-rays? A. Thermal B. Electromagnetic C. Magnetic Resonance D. Alpha particles - correct answer B. Electromagnetic Does Diagnostic Medical Sonography involve Ionizing Radiation? A. Possible B. Yes C. Some D. No - correct answer D. No What does Magnetic Resonance Imaging use to scan patients? A. Magnetic fields and beta particles B. Ionizing Radiation and...

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...

When were X-rays discovered? A. 1795 B. 1890 C. 1895 D. 1901 - Answer-C. 1895 What form of Energy are X-rays? A. Thermal B. Electromagnetic C. Magnetic Resonance D. Alpha particles - Answer-B. Electromagnetic Does Diagnostic Medical Sonography involve Ionizing Radiation? A. Possible B. Yes C. Some D. No - Answer-D. No What does Magnetic Resonance Imaging use to scan patients? A. Magnetic fields and beta particles B. Ionizing Radiation and Light C. Ultrasonic waves and fluoresce...