Abdomen Prime Discernment.

What structures are not usually palpable? Most of liver, gallbladder, stomach, pancreas, appendix What structure is commonly misidentified as a tumor in the epigastrium? xiphoid process Where is the abdominal aorta usually palpable? Epigastrium What quadrant is the spleen located in? Left upper quadrant Describe location of spleen Lateral to and behind the stomach, just above left kidney (in midaxillary line) What ribs protect most of the spleen? 9th, 10th, 11th ribs What is palpable in lower left quadrant? Descending and sigmoid colon What structure is commonly mistake for a tumor in the hypogastrium? S1 vertebra Where is a distended bladder palpable? Above pubis symphysis How much volume does the bladder usually hold? ~300mL What structures support the bladder and proximal urethra in a female? Pelvic muscles and ligaments (required to maintain proper anatomic relations) What mechanism controls infantile bladder voiding? reflex mechanisms in sacral spinal cord