Sonography is accomplished by using a pulse-echo technique. The important information gained from this technique includes the __________ from which each echo originated and the _________ of each echo. From this information, the instrument can determine the echo ___________ and ___________ on the display.

11. The brightness of a dot on a sonographic image corresponds to:

The term increased by a “factor of” implies _______________.

Given the equation A = 2πr2, solve for the variable ‘r’:

What is the reciprocal of \( 1/m \)?

Match the letter to the correct beam dimension.

Which receiver function would convert the signal labeled A to the signal labeled B?

How long does it take sound to travel 10 cm in soft tissue? Please give your answer in microseconds. (Answer with a whole number, no decimal places)

Mathematically, changes in what parameters would cause an increase in the wavelength of a wave?

If a sonographer has achieved an optimized image with the controls set as seen in the image, the sonographer should have actually (increased/decreased) _______ the _______ setting before adjusting these controls.