Anatomy
3 major functions of the digestive system?
1. Intake/digest food: carbs, lipids, and proteins
2. Absorb food into blood
3. Eliminate waste
The study of the anatomy and physiology of the distal esophagus, stomach, and duodenum is called?
UGI
Study of the anatomy and physiology of the pharynx and esophagus (swallowing)?
Esophagram/Barium Swallow
Posterior to Oral cavity from soft palate to epiglottis (food and air when breathing through mouth)
Oropharynx
Name the 2 curves of the stomach0
Greater and Lesser
What poduces and secretes saliva to break down starch and fat?
Salivary Gland
When 1 radiopaque contrast agent is used (Barium or water-soluble Iodinated) this is considered what type of study?
Single contrast study
What view will demonstrate the esophagus best because it falls between heart and vertebral column?
RAO
Muscular tube from C5/C6 to the stomach (T11); ¾” x 10”; posterior to trachea and anterior to T-spine;
Esophagus
The lining of the stomach has longitudinal folds called.
Rugae
This conical process flips up during swallowing and prevents food from entering nasal cavity (nasopharynx).
Uvula
When 1 radiopaque contrast (Barium or water-soluble iodinated) and 1 radiolucent contrast (room air or carbon dioxide gas crystals) are both used they produce this type of study?
Double contrast study
What are the three pairs of salivary glands?
Parotid, submandibular, sublingual
This is hole in diaphragm where esophagus passes through and can open wider and allow stomach to bulge through.
Hiatal hernia
“C-shaped” proximal portion of small intestine.
Duodenum
What term is the act chewing (mechanical digestion)?
Mastication
How long should a patient be NPO for an UGI?
8 hours
Where do we center for a Lateral Esophagram?
T6
The esophagus is called the “Cardiac Antrum” (cavity or chamber) once it passes through ________
Diaphragm
This makes and secretes bile to help break down lipids; sends bile to GB for storage.
Liver
What term is the act of swallowing?
Deglutition
How many degrees do we oblique for an RAO?
40-70 degrees
How much do we oblique the patient for an RAO?
35-40 degrees
“J” – shaped reservoir for swallowed food?
Stomach
Semi-fluid mass of churned food and stomach fluid.
Chyme