Circle all the correct answers.

A tissue (12 cm x 20 cm) was exposed for 0.1 second to an x-ray containing 5×1013 photons. The radiation flux is

X-ray fluoroscopy is a continuous x-ray imaging technique that requires using an X-ray tube with a high tube voltage.

Photoelectric effect is one of the main processes for x-ray generation.

Visibility of anatomy and signs of pathology depend on the contrast that is produced and displayed in an image.

Circle all correct answers. Unsharpness of an image is a consequence of:

The heel effect causes the intensity of an x-ray on the cathode side weaker than the center of the beam.

Please circle the correct answers.

The prevalence of trichotillomania, a mental health disorder described as a repetitive pulling out of one’s hair, typically leading to to functional impairment or distress.  Trichotillomania affects approximately 0.6% to 4.0% of the overall population. In the United Stated about 1.7% will be identified as having current trichotillomania during their lifetime. According the most current DSM. trichotillomania falls under the classification of what type of disorders.

Dan, a 35-year-old accountant is an unforgiving perfectionist who would rather deliver work a week late than turn in a project with even minor mistakes. In fact, he spends so much time working that he never has time for anything else. Dan is known to be rigid, inflexible, and stubborn, and he never compromises. Which of the following diagnoses accounts for Dan’s personality?