Function for the pulser - Study guides, Class notes & Summaries

Ultrasound Physics Exam 3 With Correct Questions And Answers 2024

Ultrasound Physics Questions and Answers 2023 gain - "amplification" - ratio of output/input - increases or decreases the echodensity or "brightness" equally throughout the image focal zone area in which the image detail is the best output power - electrical power to the transducer - has the same "apparent" effect on the image as increasing the overall gain - exposes patient to higher level of ultrasound energy golden rule of output power - when an INCREASE in...

ETA CET Exam 382 Questions with Verified Answers The resistance of a component at a given frequency - CORRECT ANSWER What is impedance? Diode - CORRECT ANSWER A two terminal device that conducts in only one direction. Printed Circuit Board - CORRECT ANSWER Insulating board containing conductive tracks for circuit connections. Capacitor - CORRECT ANSWER An electrical device used to store electrical charge. 1996 - CORRECT ANSWER When did the ETA initiate renewal? False - CORRECT ...

Reducing the likelihood of bioeffects from acoustic energy is the mission of the: A. Nyquist limit B. Reynolds number C. Huygens principle D. ALARA principle E. Poiseuille principle - Answer- D. ALARA principle The number of cycles in a pulse directly related to the: A. Duty factor B. SPL C. operating frequency D. PRF E. propagation speed of the medium - Answer- B. SPL The Doppler shift frequency is proportional to the: A. Cosine values B. Doppler angle C. Oper...

ACET study guide Exam 174 Questions with Verified Answers Binary is in vaules of? - CORRECT ANSWER 1 , 2, 4, 8...... so on incressed by *2 each following Octal place vaules? - CORRECT ANSWER 0-7 each digit holds a place vaule of 3 binargy digits Hex - CORRECT ANSWER 0-9 followed by A-F. A=10 each digit holds 4 in binary Binary divide by rule - CORRECT ANSWER When you divide, no remainder =0, remainder =1 Don't carry foward the remainder. Revese the reminders when translating to ...

The Associate CET Study Guide Exam 276 Questions with Verified Answers B+, or supply voltages in electronics products, is considered to be: A. +5 to +12 VDC B. 0 to 30 V DC C. +12 to 300 V DC D. The anode or plate voltage supply - CORRECT ANSWER D. The anode or plate voltage supply Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metals should not exceed _________. A. 5 microamps B. 500 microamps C. 5 millia...

CET Study Guide Exam 294 Questions with Verified Answers B+, or supply voltages in electronics products, is considered to be: A. +5 to +12 VDC B. 0 to 30 V DC C. +12 to 300 V DC D. The anode or plate voltage supply - CORRECT ANSWER A: +5 to +12 VDC Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metal parts should not exceed A. 5 micoamps B. 500 microamps C. 5 milliamps D. 50 milliamps - CORRECT ANSWER D: 50...

What is the main disadvantage of continuous wave (Pedof) transducers? CORRECT ANSWERS: Depth ambiguity What function of the receiver is responsible for the rectification and smoothing? CORRECT ANSWERS: Demodulation What is the purpose of a transmit/receive (T/R) switch? CORRECT ANSWERS: It ensures that the pulser voltages go to the transducer, and the received voltages from the transducer go to the signal processor. If the amplitude of a wave is increased by a factor of 3, what happe...

SPI Exam Pool Questions and answers. 100% Accurate, graded A+. What is described as the ability of an object to resist compression and relates to the hardness of a medium? - stiffness An increase in PRF would lead to - an increase in DF what has the higher propagation speed? air, bone, soft tissue or water - bone what has a lower propagation speed? water, soft tissue, bone or lung tissue - lung tissue as imaging depth increases, the PRF must - decrease what law describes the...

The sonographer may avoid aliasing by altering the: - Answer- image depth Which statement regarding the differences between pulsed and continuous wave Doppler is NOT correct? - Answer- CW Doppler offers significantly improved range resolution. The coupling gel used for ultrasound exams provides the same function as what transducer component? - Answer- matching layer What is the frequency of a transducer with a 10mm element, 14kHz PRF and a propagation speed of 5 millimeters / microsecon...