Shape distortion is a result of:

decreased SID
change in focal spot size
angulation of the tube
increased OID


angulation of the tube

Rationale: Shape distortion results when the part is not aligned parallel to the image receptor and the central ray cannot intersect the part perpendicularly.

Health Professions

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By the mid-1960s, which of the following was used to determine fair charges for physician services?

A. UCR B. Relative value unit C. DRG D. Fee schedules

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The ______________________________________ is filled with a fluid in which the fetus floats

Fill in the blank(s) with correct word

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What does the word "negative" mean when used in documenting the review of systems?

a. The patient was very noncooperative and refused to answer any questions posed by any clinic staff b. The physician had not documented any review of systems c. The patient was unconscious and unable to provide any feedback d. The physician reviewed all of the organ systems with the patient and no abnormal, symptomatic observations or signs were identified by the patient

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Which of the following is the main mechanism of alveolar and supporting bone resorption?

A) Prostaglandin B) Hyaluronidase C) Collagenase D) Exotoxin

Health Professions