GI Exam Flashcards
(237 cards)
What are the GI organs?
1) Mouth
2) Stomach
3) Rectum
4) Esophagus
5) Intestines (small & large)
6) Anus
What are the associated organs of the GI tract?
1) Liver
2) Pancreas
3) Peritoneum
4) Gall bladder
5) Mesentery & omentum
Name the associated organ:
-Covers the small intestines, the large intestines, and attaches these to the abdominal walls
-Has blood and lymph vessels
Mesentery
Name the associated organ:
-Covers stomach to intestines
-Includes fat and lymph vessels
-“Apron”
Omentum
What layer of the peritoneum covers the organs?
Visceral
What layer of the peritoneum covers the walls?
Parietal
What are the 4 layers of the intestinal tract?
1) Mucosa (innermost)
2) Submucosa
3) Muscle
4) Serosa (most external
What layer of the intestinal tract produces bicarb to help neutralize and protect the GI tract against any acidic environments?
Mucosa
What layer of the intestinal tract has glands, blood vessels, and lymph nodes?
Submucosa
What is the function of the digestive system?
Supply nutrients to the body’s cells through ingestion, digestion, absorption, and excretion of waste products
What is the parasympathetic response for GI?
Increased peristalsis (excitatory)
What is the sympathetic GI response?
Decreased peristalsis (inhibitory)
What make up the enteric system for GI neural stimulation?
1) Meissner (submucosal) plexus – secretions and sensation
2) Auerbach (Myenteric) plexus – GI motility
True or False:
The enteric system is independent of the brain and spinal cord & are specific to the GI system to help regulate motility and secretions
True
How much of CO goes to the GI?
25-35% dependent on resting or actively digesting
What are the main vessels involved in the GI tract?
1) Celiac artery
2) Superior Mesenteric artery
3) Inferior mesenteric artery
What organs does the celiac artery supply?
Stomach & duodenum
What organs does the superior mesenteric artery supply?
Small to mid-large intestine
What organs does the inferior mesenteric artery supply?
Distal larger intestine to anus
What makes up the upper GI tract?
1) Mouth
2) Pharynx
3) Esophagus
4) Stomach
5) Small Intestines
What makes up the lower GI tract?
1) Large intestine
2) Rectum
3) Anus
What are the salivary glands?
-Parotid
-Submaxillary
-Sublingual
What is the function of the lips?
Speech
What is the function of the oral cavity?
-Teeth
-Mastication