Essay on The Digestive System ( Gi Tract )

Essay on The Digestive System ( Gi Tract )

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The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body. Food passes through a long tube inside the body known as the gastrointestinal tract (GI tract). The gastrointestinal tract is made up of the oral cavity, pharynx, esophagus, stomach, small intestines, and large intestines. In addition to the GI tract, there are several important accessory organs that help your body to digest food, but do not have food pass through them. Accessory organs of the digestive system include the teeth, tongue, salivary glands, liver, gallbladder, and pancreas. The key to providing energy and nutrients to the body, six major functions take place in the digestive system are ingestion, secretion, mixing and movement, digestion, absorption, excretion.


The mouth is where the food begin it 's journey through the digestive system in the mouth. Inside the mouth are many accessory organs that aid in the digestion of food, the tongue, teeth, and salivary glands. Teeth chop food into small pieces, which are moistened by saliva before the tongue and other muscles push the food into the pharynx. The esophagus is a muscular tube connecting the pharynx to the stomach that is part of the upper GI tract. It carries swallowed masses of chewed food along its length. At the inferior end of the esophagus is a muscular ring called the lower esophageal sphincter also called the cardiac sphincter. The function of this sphincter is to close of the end of the esophagus and trap food in the stomach. The stomach is a muscular sac that is located on the left side of the abdominal cavity, just inferior to the diaphragm. In an average person, the stomach is about the size of their two fists placed nex...


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...-6 weeks. Chew tablets thoroughly, followed by 8 oz of water.


Fifth drug: magnesium hydroxide (Milk of Magnesia) is used as a laxative to relieve occasional constipation (irregularity) and as an antacid to relieve indigestion, sour stomach, and heartburn. This is a laxative in doses above 15 mL. May cause hypermagnesemia in clients with impaired renal function. Monitor client for development of symptoms of hypermagnesemia.Contraindications: Antacids: appendicitis, symptoms of appendicitis, ileostomy, intestinal obstruction, severe renal impairment. Side effect: rectal bleeding; no bowel movement after using the medicine as a laxative; severe nausea, vomiting; slow heartbeats; or a light-headed feeling, like you might pass out. Client education: drink full glass (8 oz) liquid to aid stool softening. Do not use if abdominal pain, nausea, vomiting is present.






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