A Medical Procedure Called Shockwave Lithotripsy Is Used to Break

question 86

Multiple Choice

A medical procedure called shockwave lithotripsy is used to break up kidney stones that are too large or irregular to be passed. In this procedure, shockwaves emanating from a transducer located at the other focus. Suppose that the reflector is described by the equation (in units of inches) , how far from the kidney stone should the transducer be placed?

• A) 7 in.
• B) 49 in.
• C) 11 in.
• D) 13 in.

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