Imaging CH4 Psoas Major, KUB, Acute Abdominal Series, Oral Cavity, Pharynx, Esophagus, Stomach, Small Intestine, Duodenum, Duodenal Bulb, Jejunum, Ileum, Ileocecal Valve, Cecum, Appendix, Ascending Colon, Transverse Colon, Descending Colon, Sigmoid Colon,

Imaging CH4 Psoas Major, KUB, Acute Abdominal Series, Oral Cavity,
Pharynx, Esophagus, Stomach, Small Intestine, Duodenum, Duodenal
Bulb, Jejunum, Ileum, Ileocecal Valve, Cecum, Appendix, Ascending
Colon, Transverse Colon, Descending Colon, Sigmoid Colon, Rectum,
Anus, Liver, Spleen, Gallbladder, Pancreas, Suprarenal Glands, Ureters,
Urinary Bladder, Urethra, Ascites, Pneumoperitoneum, Crohn’s
Disease, Ulcerative Colitis Exam Questions Verified and Provided with
Complete A+ Graded Rationales Latest Updated 2026




PSOAS MAJOR

Bilateral muscles located on either side of the lumbar vertical column. Should always be visible
in diagnostic abdominal xrays




KUB

Kidney, Ureter, Bladder plain film in the AP supine position without contrast




ACUTE ABDOMINAL SERIES

Two or three way series of acute or emergency conditions with several radiographs taken in
different positions to demonstrate air-fluid levels and/or free air




SIX ORGANS OF THE DIGESTIVE SYSTEM

Oral cavity, pharynx, esophagus, stomach, small intestine and the large intestine

, SMALL INTESTINE

Made up of the duodenum, jejunum and ileum




ILEOCECAL VALVE

sphincter-type valve for the critical function to limit the reflux of colonic contents into the ileum




CECUM

a pouch that receives chyme from the ileum, and connects to the ascending colon of the large
intestine and is usually intraperitoneal,




APPENDIX

is a blind-ended tube connected to the cecum




ASCENDING COLON

runs through the abdominal cavity, upwards toward the transverse colon for approximately
eight inches




TRANSVERSE COLON

the part of the colon from the hepatic flexure to the splenic flexure. It's connected to the
posterior abdominal wall by mesentery