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RADT425
Chapter 3 - Abdomen
| Question | Answer |
|---|---|
| Which kidney is usually demonstrated inferiorly? | right |
| What causes the inferior location of the right kidney? | located under liver |
| List four anatomic structures that when optimally demonstrated ensure that the best possible technical data were used on AP abdominal projections. | psoas major muscle, kidneys, inferior ribs, lumbar transverse processes |
| State how the milliampere-seconds (mAs) or kV level is adjusted for AP abdominal projections of a patient who has a large amount of bowel gas. | 30-50% decrease in mAs 5-8% decrease in kV |
| List four possible patient conditions that may require an increase in the routine exposure to obtain adequate IR exposure. | obesity, soft tissue masses, bowel obstruction, ascites |
| Explain why abdominal organs are not well defined on neonatal and infant AP projections. | little intrinsic fat is present to outline the organs |
| To best demonstrate intraperitoneal air, how long should the patient be positioned upright before the projection is taken? | 5-10 minutes |
| From full inspiration to expiration, the diaphragm moves from an (inferior/superior) position. | inferior |
| What respiration is used for an AP abdominal projection? | expiration |
| For an AP (decubitus) abdominal projection, the ______ side of the patient is positioned against the imaging table or cart. | left |
| To obtain optimal intraperitoneal air demonstration, the patient should remain in the decubitus position for ____to____minutes before the image is taken. | 5 to 20 |
| Intraperitoneal air is most often found beneath the ______ __________ on an AP (decubitus) abdominal projection with proper positioning. | right hemidiaphragm |
| What respiration is used for an AP (decubitus) abdominal projection? | expiration |