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Ch. 22 Chest and Abdomen. Abdominopelvic Cavity. One large continuous cavity Usually referred to separately as the abdominal cavity and the pelvic cavity. Abdominal Regions and Quadrants. Regions Umbilical Epigastric Hypogastric R/L Hypochondriac R/L Lumbar R/L Iliac. Quadrants
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Abdominopelvic Cavity • One large continuous cavity • Usually referred to separately as the abdominal cavity and the pelvic cavity
Abdominal Regions and Quadrants • Regions • Umbilical • Epigastric • Hypogastric • R/L Hypochondriac • R/L Lumbar • R/L Iliac • Quadrants • Vertical line is the midline • Horizontal line runs through the belly button
Stomach • Located in the upper part of the abdominal cavity (LUQ) • 3 portions • Fundus • Body • Pylorus • Cardiac Sphincter • Pyloric Sphincter
Pancreas and Gallbladder • Pancreas is located behind the stomach • Produces insulin • Gallbladder is located on the liver • Stores bile • Gallstones
Liver • Largest organ in the body • Located below diaphragm in URQ • Manufactures bile • Produces glycogen • Detox alcohol and drugs • Regeneration
Spleen • Located behind the diaphragm in ULQ • Responsible for storing blood and recycling old RBC • May become enlarged due to malaria or mono • Medical emergency if ruptured
Small Intestine • 20 feet long • 3 sections • Duodenum (1’) • Jejunum (8’) • Ileum (10’-12’) • Nutrients are absorbed • Villi assist in absorption
Large Intestine (colon) • 5 feet long, 2 inches in diameter • Food enters from small intestine through ileocecal valve • Cecum • Appendix • Ascending, transverse, descending colon • Sigmoid colon • Rectum
Kidneys • Bean shaped organs resting on the dorsal side of the abdominal cavity • Maintains homeostatis • Nephron-functional unit • Ureters-carries urine from kidneys to bladder
Bladder • Hollow, muscular organ • Acts like a reservoir and stores urine • 1 pint
Kidney Contusion • Blow to the flank area in the back • S/S: shock, nausea, vomiting, hematuria • Refer to hospital immediately
Liver Contusion • Caused by blow to right side • Pain can be referred to below right scapula and left side of chest • Medical emergency because of blood flow through liver
Injury to Spleen • Can rupture with no apparent cause • Pain may radiate to left shoulder and arm • Person can live without a spleen but a medical emergency when ruptured
Hernias • Protrusion of abdominal tissue through a portion of the abdominal wall • Inguinal or femoral • Congenital or result of activity • S/S: bulge, sharp or dull pain, worse thru day • Usually surgical