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ARDMS Exam with Questions and Answers, Exams of Health sciences

University of Southern California (USC)Health sciences

ARDMS Exam with Questions and Answers Tendonitis of the thumb ANSWER ✓✓ de Quervain's disease - Gripping of transducer What is trigger finger? ANSWER ✓✓ inflammation of tendon sheath in the finger due to repeated gripping of the transducer What does the FDA do for ultrasound? ANSWER ✓✓ Regulates instruments according to application, output intensities, and TI/MI What does the AIUM recommend for ultrasound? ANSWER ✓✓ Prudent use of US in clinical environment by minimizing exposure time and output power What US mode has the highest intensity? ANSWER ✓✓ PW doppler - PW > CW doppler What is Temporal average? ANSWER ✓✓ Average intensity during both the transmitting and receiving times (PRP) What is pulse average? ANSWER ✓✓ Average intensity over the entire duration of the pulse (PD) Why is biological effects lower in unfocused transducers compared to focused transducers? ANSWER ✓✓ Unfocused has a larger beam area --> less focused energy

Typology: Exams

2024/2025

Available from 02/10/2025

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Download ARDMS Exam with Questions and Answers and more Exams Health sciences in PDF only on Docsity!

Tendonitis of the thumb ANSWER VV de Quervain's disease - Gripping of transducer What is trigger finger? ANSWER VV inflammation of tendon sheath in the finger due to repeated gripping of the transducer What does the FDA do for ultrasound? ANSWER VV Regulates instruments according to application, output intensities, and TI/MI What does the ATUM recommend for ultrasound? ANSWER ¥ ¥ Prudent use of US in clinical environment by minimizing exposure time and output power What US mode has the highest intensity? ANSWER / / PW doppler - PW > CW doppler What is Temporal average? ANSWER VV Average intensity during both the transmitting and receiving times (PRP) What is pulse average? ANSWER VV Average intensity over the entire duration of the pulse (PD) Why is biological effects lower in unfocused transducers compared to focused transducers? ANSWER V V Unfocused has a larger beam area —-> less focused energy What is the maximum exposure seen with no biological effects in 1) unfocused and 2) focused ANSWER VV 1) Unfocused - 100 mW/em2 2) Focused - 1W/cm2