ARDMS SPI /DAVIES SPI FINAL EXAM AND PRACTICE QUESTIONS 2025 NEWEST TEST BANK
ARDMS SPI /DAVIES SPI FINAL EXAM AND PRACTICE
QUESTIONS 2025 NEWEST TEST BANK COMPLETE
QUESTIONS WITH DETAILED VERIFIED ANSWERS /ALREADY
GRADED A+ // BRAND NEW!!
The transducer element becomes mechanical when:
A) it is used for mechanical focusing.
B) it is hit with electrical voltage and converts the energy into sound.
C) it never becomes mechanical.
D) it is cracked. - ANSWER-B) it is hit with electrical voltage and converts the energy into sound.
Quality factor will lower when:
A) bandwidth widens.
B) the beam former sets a delay.
C) there is a longer pulse.
D) phasing occurs. - ANSWER-A) bandwidth widens.
Which transducer type will have the lowest density in the far field?
A) 4 MHz phased array
B) 3.5 MHz curvilinear array
C) 6 MHz endocavity array
D) 9 MHz linear array - ANSWER-C) 6 MHz endocavity array
Which transducer uses time delays to electronically steer the beam?
A) Curved array
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, ARDMS SPI /DAVIES SPI FINAL EXAM AND PRACTICE QUESTIONS 2025 NEWEST TEST BANK
B) Annular
C) Linear sequential array
D) Phased array - ANSWER-D) Phased array
6. Which feature of the transducer is manufactured to support better image axial resolution?
A) Element
B) Power cord
C) Lens
D) Backing material - ANSWER-D) Backing material
7. In a B-mode image, the focal point is electronically changed. Which of the following
techniques is used?
A) Mirror
B) Mechanical
C) Transmit
D) Lens - ANSWER-C) Transmit
8. The center operating frequency of a transducer is determined by:
A) impedance matching layer.
B) crystal thickness.
C) bandwidth.
D) crystal shape. - ANSWER-B) crystal thickness.
9. Coupling gel is used to:
A) improve axial resolution.
B) increase damping.
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, ARDMS SPI /DAVIES SPI FINAL EXAM AND PRACTICE QUESTIONS 2025 NEWEST TEST BANK
C) increase transmission.
D) increase reflection factor. - ANSWER-C) increase transmission.
10. The 3D profile of the beam in a linear array is controlled by:
A) acoustic lens.
B) transmit focus.
C) phasing.
D) beam former. - ANSWER-A) acoustic lens.
11. Which transducer employs electronic beam steering to create a wide field of view?
A) Curvilinear
B) Mechanical transducer
C) Phased array
D) Linear sequential - ANSWER-C) Phased array
12. Dynamic focusing is used by:
A) all array transducers.
B) only phased arrays.
C) none.
D) only curved arrays. - ANSWER-A) all array transducers.
14. A thinner element will have:
A) higher curie temperature.
B) longer wavelength.
C) higher frequency.
D) poor frame rate. - ANSWER-C) higher frequency.
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, ARDMS SPI /DAVIES SPI FINAL EXAM AND PRACTICE QUESTIONS 2025 NEWEST TEST BANK
15. Which statement refers to the process of phasing?
A) Electronic beam steering
B) Acoustic lens
C) Electronic focusing
D) Mechanical movement of the probe - ANSWER-A) Electronic beam steering
16. Which of the following is used to control elevational resolution in a 2D transducer?
A) Bandwidth
B) Axial resolution
C) Lens
D) Beam former - ANSWER-D) Beam former
17. The conversion of an incident pressure wave into an electrical signal is called:
A) Snell's law.
B) piezoelectric effect.
C) Huygen's principle.
D) Curie effect. - ANSWER-B) piezoelectric effect.
18. Electronic focusing in transmit mode uses:
A) changeable lens.
B) curved element.
C) time delays to excite transducer elements.
D) high pulse repetition frequency. - ANSWER-C) time delays to excite transducer elements.
19. Which transducer would you select for maximum penetration?
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ARDMS SPI /DAVIES SPI FINAL EXAM AND PRACTICE
QUESTIONS 2025 NEWEST TEST BANK COMPLETE
QUESTIONS WITH DETAILED VERIFIED ANSWERS /ALREADY
GRADED A+ // BRAND NEW!!
The transducer element becomes mechanical when:
A) it is used for mechanical focusing.
B) it is hit with electrical voltage and converts the energy into sound.
C) it never becomes mechanical.
D) it is cracked. - ANSWER-B) it is hit with electrical voltage and converts the energy into sound.
Quality factor will lower when:
A) bandwidth widens.
B) the beam former sets a delay.
C) there is a longer pulse.
D) phasing occurs. - ANSWER-A) bandwidth widens.
Which transducer type will have the lowest density in the far field?
A) 4 MHz phased array
B) 3.5 MHz curvilinear array
C) 6 MHz endocavity array
D) 9 MHz linear array - ANSWER-C) 6 MHz endocavity array
Which transducer uses time delays to electronically steer the beam?
A) Curved array
1|Page
, ARDMS SPI /DAVIES SPI FINAL EXAM AND PRACTICE QUESTIONS 2025 NEWEST TEST BANK
B) Annular
C) Linear sequential array
D) Phased array - ANSWER-D) Phased array
6. Which feature of the transducer is manufactured to support better image axial resolution?
A) Element
B) Power cord
C) Lens
D) Backing material - ANSWER-D) Backing material
7. In a B-mode image, the focal point is electronically changed. Which of the following
techniques is used?
A) Mirror
B) Mechanical
C) Transmit
D) Lens - ANSWER-C) Transmit
8. The center operating frequency of a transducer is determined by:
A) impedance matching layer.
B) crystal thickness.
C) bandwidth.
D) crystal shape. - ANSWER-B) crystal thickness.
9. Coupling gel is used to:
A) improve axial resolution.
B) increase damping.
2|Page
, ARDMS SPI /DAVIES SPI FINAL EXAM AND PRACTICE QUESTIONS 2025 NEWEST TEST BANK
C) increase transmission.
D) increase reflection factor. - ANSWER-C) increase transmission.
10. The 3D profile of the beam in a linear array is controlled by:
A) acoustic lens.
B) transmit focus.
C) phasing.
D) beam former. - ANSWER-A) acoustic lens.
11. Which transducer employs electronic beam steering to create a wide field of view?
A) Curvilinear
B) Mechanical transducer
C) Phased array
D) Linear sequential - ANSWER-C) Phased array
12. Dynamic focusing is used by:
A) all array transducers.
B) only phased arrays.
C) none.
D) only curved arrays. - ANSWER-A) all array transducers.
14. A thinner element will have:
A) higher curie temperature.
B) longer wavelength.
C) higher frequency.
D) poor frame rate. - ANSWER-C) higher frequency.
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, ARDMS SPI /DAVIES SPI FINAL EXAM AND PRACTICE QUESTIONS 2025 NEWEST TEST BANK
15. Which statement refers to the process of phasing?
A) Electronic beam steering
B) Acoustic lens
C) Electronic focusing
D) Mechanical movement of the probe - ANSWER-A) Electronic beam steering
16. Which of the following is used to control elevational resolution in a 2D transducer?
A) Bandwidth
B) Axial resolution
C) Lens
D) Beam former - ANSWER-D) Beam former
17. The conversion of an incident pressure wave into an electrical signal is called:
A) Snell's law.
B) piezoelectric effect.
C) Huygen's principle.
D) Curie effect. - ANSWER-B) piezoelectric effect.
18. Electronic focusing in transmit mode uses:
A) changeable lens.
B) curved element.
C) time delays to excite transducer elements.
D) high pulse repetition frequency. - ANSWER-C) time delays to excite transducer elements.
19. Which transducer would you select for maximum penetration?
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