Free ARDMS SPI Exam Questions

Become ARDMS Certified with updated SPI exam questions and correct answers

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Total 215 Questions | Updated On: Oct 26, 2026

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Question 1

What would increase with an increase in acoustic power?

A : Frequency

B : Impedance

C : Thermal Index

D : Wavelength

Answer: C

Question 2

Which factor affects temporal resolution?

A : Display depth

B : Time gain compensation

C : Overall gain

D : Log compression

Answer: A

Question 3

How is an ultrasound image affected if several adjacent crystals of a linear array transducer are damaged?

A : Vertical dark zone directly below the damaged elements

B : Erratic beam steering and focusing

C : Horizontal zone of dropout

D : Loss of entire image

Answer: A

Question 4

What is the primary purpose of backing material in transducers?

A : Improving axial resolution

B : Increasing the number of cycles in a pulse

C : Preventing electrical shock to the operator or patient

D : Improving acoustic impedance matching

Answer: A

Question 5

How is variable transmit focus with a linear phased array accomplished?

A : Mechanically rotate array elements

B : Reshaping the matching layers

C : Modifying the impedance of the acoustic lens

D : Adjusting relative delay times of the array elements

Answer: D

Page: 1 / 43

Total 215 Questions | Updated On: Oct 26, 2026

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