________ DTaP shots are required to fully protect a child. The last booster is given to children between the ages of 4 and 6.

For a PA oblique sternal projection (RAO position),

1. a 30-inch (76-cm) or 40-inch (100-cm) SID is used. 2. the patient's midcoronal plane is angled 15 to 20 degrees with the IR. 3. a long exposure time is used. 4. costal breathing is used. a. 1 and 2 only b. 3 and 4 only c. 2, 3, and 4 only d. 1, 2, 3, and 4

Which of the following healthcare professionals assists registered nurses and physicians by observing patients and reporting changes in their conditions?

A. Medical technologist B. Physician assistant C. Associate degree nurse D. Respiratory therapist E. Licensed practical nurse