Mechanical transducer Study guides, Class notes & Summaries

CEFM Practice Test| Answered 100% Correctly| Updated The paper speed used with EFM in North America is: a. 1cm/min b. 2cm/min c. 3cm/min C. 3cm/min The US transducer on the EFM measures the a. Electrical signal of the fetal heart b. Mechanical movement of the fetal heart reflected off of sound waves c. R to R intervals of the fetal heart b. Mechanical movement of the fetal heart reflected off of sound waves The purpose of the autocorrelation in external monitoring is to a. Compare i...

Which artifact may cause structures to look deeper than they actually are? CORRECT ANSWER Propagation Speed Error The optimum operating frequency for a broad-bandwidth transducer would be? CORRECT ANSWER 10 MHz In breast sonography, which of the following is NOT significantly affected by the limited field of view when imaging superficial structures? CORRECT ANSWER Temporal Resolution Which of the following affects the actual intensity of the sound utilized for imaging? CORRECT ANSWER Ou...

CEFM Practice Test| Answered 100% Correctly| Updated The paper speed used with EFM in North America is: a. 1cm/min b. 2cm/min c. 3cm/min C. 3cm/min The US transducer on the EFM measures the a. Electrical signal of the fetal heart b. Mechanical movement of the fetal heart reflected off of sound waves c. R to R intervals of the fetal heart b. Mechanical movement of the fetal heart reflected off of sound waves The purpose of the autocorrelation in external monitoring is to a. Compare i...

What type of wave is sound? Correct Ans ~ mechanical and longitudinal The frequency ranges for ultrasound are: Correct Ans ~ >20 kHz The speed of sound in soft tissue is: Correct Ans ~ 1540 m/s which of the following transducers fires the elements in groups? A. Linear sequenced array B. Phased array C. Continuous-wave transducer D. Single-element transducer Correct Ans ~ A Enhancement is caused by** Correct Ans ~ weakly attenuating structures wavele...

What type of wave is sound? - CORRECT ANSWER mechanical and longitudi-nal The frequency ranges for ultrasound are: - CORRECT ANSWER >20 kHz The speed of sound in soft tissue is: - CORRECT ANSWER 1540 m/s which of the following transducers fires the elements in groups? A. Linear sequenced array B. Phased array C. Continuous-wave transducer D. Single-element transducer - CORRECT ANSWER A Enhancement is caused by** - CORRECT ANSWER weakly attenuat...

form of energy to another form of energy what does an ultrasound transducer do? correct answer: converts electropotential energy into mechanical and mechanical energy into electropotential energy what is the curie point? correct answer: if a crystal is heated beyond the curie point (360 degrees for PZT) the crystal can lose piezoelectric effects what material is traditionally used for ultrasound trasnducers? correct answer: Lead ziconate titanate (PZT) what are modern transducers ...

arterial puncture correct answer: puncture of a peripheral artery to obtain an arterial blood sample for direct measurement of pH, PaCO2, PaO2 indications for arterial puncture correct answer: evaluation of the adequacy of a patients ventilation (PaCO2), oxygenation (PaO2) and/or acid base status (pH) assess the need for therapeutic intervention (i.e., oxygen therapy, mechanical ventilation, etc) and/or diagnostic evaluation (i.e., exercise desaturation) monitor the severity and pro...

When applying to write a Power Engineer certificate of competency examination, the candidate must: Select one: a. Undergo mandatory drug testing b. Hold the next lower class of qualification c. Pass a criminal records check d. Pass both a written and oral examination - Answer-b. Hold the next lower class of qualification A machine lifts a load of 12kN with an applied effort of 4kN. What distance will the load move if the effort moves a distance of 8m and the efficiency of the machine is 7...

CEFM Practice Test Questions and Answers Already Passed The paper speed used with EFM in North America is: a. 1cm/min b. 2cm/min c. 3cm/min C. 3cm/min The US transducer on the EFM measures the a. Electrical signal of the fetal heart b. Mechanical movement of the fetal heart reflected off of sound waves c. R to R intervals of the fetal heart b. Mechanical movement of the fetal heart reflected off of sound waves The purpose of the autocorrelation in external monitoring is to a. Compare inc...

ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+ When the direction of the wave propagation is parallel to the particle motion of the medium, the wave being transmitted is called a: A) surface wave. B) longitudinal wave. C) transverse wave. D) non-linear sound. B) longitudinal wave If the sound beam attenuated 6 dB, what will happen to the overall intensity? A) Quadrupled B) Doubled C) Halved D) Quartered D) Quartered Frequency increased from 3 MHz to 6 MHz,...