Exam 29: Distortion

If an object is measured as 4 in.in diameter on the image and 4 in.from the film, what is the actual size of the object if the SID is 40 in.?

Which examination does not exhibit an inherently large OID?

Match the following choices with the appropriate statement. -MF

The ____ the SID, the ____ the magnification.

If an object is measured as 4 in.in diameter on the image and 2 in.from the film, what is the actual size of the object if the SID is 40 in.?

Size distortion is controlled by

In order to achieve a true SID of 40" with an x-ray tube angle of 30 degrees, the overhead scale should read

Performing a routine chest radiograph in the anterior-posterior (AP) projection will

Match the following choices with the appropriate statement. -inherently magnified in AP projection

Calculate the magnification factor when the SID is 40 in.and the OID is 5 in.

Large patients receive a greater exposure than small patients because their

As OID increases and SID remains constant, entrance skin exposure (ESE)

If an object measures 2 cm and the image measures 4 cm, what is the percent magnification of the object?

A renal calculus that measures 0.2 mm in size

The magnification factor for a radiographic procedure is calculated at 1.25.It may be assumed that there is a ____ magnification of the object size.

Calculate the magnification factor when the SID is 72 in.and the OID is 2 in.

Match the following choices with the appropriate statement. -SID MF⁺

Proper alignment is achieved when the central ray is ____ to the part and ____ to the image receptor.

Which of the following occurs when the tube or the image receptor is not properly aligned?

Size distortion in radiography can be ____ only.