Multiple choice

Ultrasound is used for

  1. medical diagnosis

  2. detecting congenital defects in foetus

  3. detecting cracks and flaws in metal blocks

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ultrasound has multiple applications: medical diagnosis (imaging organs, tissues), detecting congenital defects in the fetus (prenatal screening), and industrial non-destructive testing (finding cracks/flaws in metal). Since all three uses are valid, 'all of the above' is correct.

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