Almost all oblique positions require some kind of recentering side-to-side in order to adjust for either the shift of the anatomy of interest or the shift of the landmarks used.

All of the following are items of personal protective equipment that are essential in a physician's office laboratory EXCEPT ________

a. masks b. gloves c. gowns d. caps

You are reviewing the chest X-ray of a 32 year-old female receiving ventilatory support via an oral endotracheal (ET) tube. To assure proper placement of the tube, you would look for its tip to be positioned

A. at the same level as the carina B. not more than 2 cm above the carina C. between the 2nd and 4th thoracic vertebra D. level with the fifth cervical vertebra