The American College of Radiology (ACR) CT accreditation QA phantom has _____ modules

Which of the following cross section of ACR CT phantom used to check for "low contrast resolution"?

Which of the following cross section of ACR CT phantom used to check for "CT number uniformity, noise & distance accuracy"?

The laser light accuracy in a CT scan machine must be within ______

A radiographer performed a slice thickness (ST) accuracy check for ST = 10 mm. The tolerance accepted value is ___________

Low contrast resolution & high contrast resolution in CT scan system must be check _______

Which of the following CT image quality QA must be checked every week by CT radiographer?

This is a CT scan image of ACR phantom to evaluate _________

CT number uniformity acceptance value must be within ______ Hounsfield unit (HU)

Which of the following does NOT required to check the radiation dose in CT scan?

In every complete CT scan of a peadiatric abdomen, the volume computed tomography dose index (CTDI) must not exceed _______ mGy.

Shadowing or blurring CT image due to the involuntary or voluntary movement is known as ________ artifact.

Streaks artifact caused by a _________ located in the scanning field of view.

Recognize this CT artifact?

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