How is the field size defined dosimetrically? 

True or False: The flattening filter is thicker in the middle and tapers toward the edges. 

The area outlined in red is the:  

Pinpoint the mammillary body.

____________ refers to fluctuation in values that do not correspond to actual tissue density variations, which appears grainy and does not contribute to a quality image.

Pinpoint the carina.

It is recommended that programmers avoid using ____ variables in a program whenever possible.

A ____ variable is created inside a function.

The ____ of a local variable is the function in which that variable is created.

What will display after the following code is executed?  def main():    print(“The answer is”, magic(5)) def magic(num):    answer = num + 2 * 10    return answer if __name__ == ‘__main__’:    main()