What is the minimum acceptable number of ribs that must be demonstrated for a rib study above the diaphragm?

A patient with injured posterior ribs (numbers 5 and 6) needs proper images. From the following, select the preferred body position in which the patient should be placed and the recommended breathing instructions.

What anatomy is represented by the number 5 on the image below? 415 U1 Test 53.png

BONUS: Which of the following positions would demonstrate the right lumbar zygapophyseal articulations closest to the IR?

A patient arrives in the ER complaining of pain to the right posterior and axillary ribs. Which projections/positions would be performed?

The xiphoid process is located at the level of:

In a trauma situation, when the preferred oblique cannot be performed for the sternum, what alternative position can be used?

Where should the bottom of the IR be positioned for an AP projection of the lower ribs?

Where is the central ray centered for a AP projection of the ribs for an injury located above the diaphragm?

A young female patient from the ER is brought to radiology for a rib exam. She is able to sit up or stand for the procedure. She indicates that the region of pain is to the right anterior-to-mid axillary region. Which rib projections should be performed to minimize the effective dose to this patient?