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: Dec 17, 2025

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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

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 3

What would increase with an increase in acoustic power?

A : Frequency

B : Impedance

C : Thermal Index

D : Wavelength

Answer: C

Question 4

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

Question 5

What is an advantage of pulsed-wave Doppler over continuous-wave Doppler?

A : Increased sensitivity to slow flow

B : Unlimited maximum detectable velocity

C : Range resolution

D : High signal-to-noise ratio

Answer: C

Page: 1 / 43

Total 215 Questions | Updated On: Dec 17, 2025

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