Ultrasound Machine Components and Controls — MCQs

What is an X-ray artifact?

Ultrasound is the best initial investigation of choice for:

Which of the following techniques uses piezoelectric crystals?

Which of the following investigations work on the same principle?

What is not an advantage of USG over mammography?

In current obstetrics practice, what is the best test for monitoring sensitized Rh negative mother?

If the central ray is perpendicular to the film but not to the object, then:

Focal and diffuse thickening of gallbladder wall with high amplitude reflections and 'comet tail' artifacts on USG suggest the diagnosis of –

A 26-year-old male presents to the outpatient department with a discrete thyroid swelling. On neck ultrasound, an isolated cystic swelling of the gland is seen. What is the risk of malignancy associated with this finding?

What is the gold standard diagnostic procedure for assessing placental location during the second trimester?