The ethical principle that aspires to, above all, do no harm describes

Which of the filament conductors seen below carries high voltage? Conductor number 1 Conductor number 2 Conductor number 3

Personnel radiation monitor reports must include which of the following information?1.    Dose equivalents for report period2.    Dosimeter type3.    Radiation quality

Which of the following is/are correct regarding care of protective leaded apparel?1.    Lead aprons should be fluoroscoped yearly to check for cracks2.    Lead gloves should be fluoroscoped yearly to check for cracks3.    Lead aprons should be hung on appropriate racks when not in use  

Sterile technique is required when contrast agents are administered  

Alignment of x-ray tube, part, and IR are essential to avoid1.    Distortion2.    Magnification3.    Image noise4.    Foreshortening5.    elongation  

A technique chart should include which of the following information?1.    Recommended SID2.    Grid ratio3.    CR angulation  

With the patient in an erect 45° LPO and the CR directed 2 inches medial and 2 inches inferior to the upper outer border of the left shoulder, which of the following will be visualized to best advantage?  

With the patient positioned as shown in the image below, how should the CR be directed to best demonstrate the intercondyloid fossa?

The decision as to whether to deliver ionic or nonionic contrast medium should include a preliminary patient history including, but not limited to1.    Patient age2.    History of respiratory disease3.    History of cardia disease