Bowel Flashcards
Bowel elimination
Passage and dispelling of stool through the intestinal tract by means of intestinal smooth muscle contraction
VALSALVA MANEUVER
Presses on Vagus Nerve and drops heart rate
Intestinal retention causes:
Constipation
Incontinence
Loss of sphincter control
Chronic Diarrhea
Bowel disease
Consequence
Depression
Discomfort
Social isolation
Skin breakdown
Retention
Constipation
Obstipation
Consequences of retention
Result in: Impaction Constipation Stool dries and hardens Decreases peristalsis (urge to go)
Large intestine
Cecum, Colon, rectum, anus Absorption of water and electrolytes Forms and stores fecal mass Secretes mucus Defecation VALSALVA maneuver
GI system layers
Mucosa (innermost layer) Submucosa Muscle -circular (inner) -longitudinal (outer) Serosa (outermost layer)
Parasympathetic
Cholinergic or excitatory
Sympathetic
Adrenergic (inhibitory)
Enteric
Intrinsic nervous system
Two nerve layers between mucosa and submucosa
GI Circulation
Celiac artery (stomach/duodenum) Superior mesenteric artery (small to mid large intestine) Inferior mesenteric artery (distal large intestine through anus)
Peritoneum
Parietal layer- lines abdominal cavity wall
Visceral layer-covers abdominal organs
Peritoneal cavity
Potential space between the two layers
Mesentary and omentum