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If the statement is true, type “true” and “false” if it is false. Correct the False Statements. (2 point each) With digital imaging, the amount of radiation reaching the IR determines the brightness of the image.

Answer either true or false. If the statement is false, correct it. The amount of obliquity for an oblique hand is 30 degrees.

When different tissues in the area being imaged have different absorption characteristics:

Answer either true or false. If the statement is false, correct it. The humeral epicondyles are positioned perpendicular to the IR on an accurately positioned AP humerus.

Which of the following projections will best demonstrate the greater tubercle of the humerus in profile laterally?

A poorly positioned PA hand image demonstrates superimposition of the third through the fifth metacarpal heads.  Which of the following would correct this image?

During fluoro. of a BE, the radiologist notices an unusual defect within the right colic (hepatic) flexure.  She asks that you provide the best images possible of this region.  Which two projections will best demonstrate the right colic flexure?

Which of the following images shows an accurate depiction of hydrogen bonding between two water (H2O) molecules? (Hint: water has two hydrogen atoms and one oxygen atom)

For a PA oblique (RAO) esophagram with accurate positioning: 1.  the patient is rotated 35 – 40° from the IR 2.  the esophagus is filled with barium from the lower neck to the EG junction (cardiac orifice) 3.  the esophagus is ½ way between the heart and vertebral column 4.  the esophagus is ½ way between the hilum and vertebral column

After DNA replication, each resulting DNA molecule has…