Question

Which action demonstrates best practice during ultrasound exams regarding the ALARA principle?

a. The exposure time should be extended during the exam.
b. use the lowest possible output power that provides a diagnostic image.
c. use the lowest possible gain.
d. Ensure that the time gain compensation (TGC is within acceptable limits.

Answer 1

The best practice to follow the ALARA principle during ultrasound exams is to use the lowest possible output power that provides a diagnostic image, and also to use the lowest possible gain and ensure that the time gain compensation is within acceptable limits.

Step-by-step explanation:

The ALARA principle in ultrasound exams stands for As Low As Reasonably Achievable. It means that the exposure to radiation should be minimized while still obtaining a diagnostic image. The best practice to follow the ALARA principle is to use the lowest possible output power that provides a diagnostic image. This helps reduce the amount of radiation the patient is exposed to.

Additionally, using the lowest possible gain and ensuring that the time gain compensation (TGC) is within acceptable limits also contribute to following the ALARA principle during ultrasound exams.