A) antigen-antibody Interactions occur
B) high frequency sound waves are used
C) magnetic waves are used
D) None of the above
Correct Answer: B
Solution :
Ultrasonography is also called sonography or ultrasound imaging. It is the use of high frequency sound waves to produce images of structures within the human body. These waves are produced by the electrical stimulation of electric crystal.You need to login to perform this action.
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