Do you have 2 or more of these symptoms, especially after being exposed to someone with hepatitis? Is the person with hepatitis unable to be roused or is he or she confused or very, very sleepy?
If you manage this site and have a question about why the site is not available, please contact us directly. The Main Function of the GI System - To provide the body with fluids, nutrients, and electrolytes in forms that can be used at the cellular level. Questions The sympathetic nervous system (fight or flight) increase gastric motility and secretions. Peptic Ulcer Disease (PUD) Attributed to an imbalance between cell-destructive and cell-protective effects Such as gastric acid Pepsin H. PUD Gastric Acid secreted by parietal cells in the mucosa of the stomach antrum, near the pylorus Dissolve food Act as a bactericide Convert pepsinogen to pepsin Pepsin A proteolytic enzyme that helps digest protein but can also digest the stomach wall Proton-pump system catalyzes the production of gastric acid and acts as a gastric acid (proton) pump to move gastric acid from parietal cells in the mucosal lining of the stomach into the stomach lumen.
Questions: Risk factors for PUD include stress, NSAID ingestion, Helicobacter pylori infection, and cigarette smoking. Definitions Nausea: unpleasant sensation of abd discomfort accompanied by a desire to vomit.
Mechanism of Action of Anti-Emetics blocking one of the vomiting pathways, thus blocking the stimulus that induces vomiting several different therapeutic classi?cations anti-cholinergic anti-dopaminergic anti-histaminic anti- serotonergic effects more effective in prophylaxis than treatment Eg. Question – T or F The benzodiazapine antianxiety drugs are used as anti- emetics in multidrug regimens to prevent nausea and vomiting associated with chemotherapy.
This is spread through food or water contaminated by the feces of an infected person that has the virus. Most often, the cause is contact with infected blood on needles, razors, toothbrushes, etc.
Sharing drug needles or having sexual contact with an infected person can cause this type, but only in persons who already have hepatitis B.
This is caused by contact with food, water, or something contaminated with the feces of an infected person.
For non-viral forms, this includes treating the disorder or stopping the use of the substance that caused it. The GI secretions can break down medications so they can be absorbed or they may destroy the medications. Dietary folate, Fe, Ca, and Vit B12 are better absorbed in acidic environment and therefore deficiencies may occur.
Corticosteriods Block prostaglandin activity in the cerebral cortex Dexamethasone (Decadron) Commonly used in the management of chemotherapy-induced emesis and intra-operatively Causes euphoria, insomnia 4.
Prokinetic Agents Increase the release of Ach from the GI tract metoclopramide (Maxeran) Increases GI motility Used in gastroparesis (gastric retention of foods) May increase the effects of alcohol 6.
Antiemetics have anticholinergic, antidopaminergic, antihistaminic, or antiserotonergic effects.
When symptoms first occur, they include fatigue, fever, appetite loss, nausea and vomiting, and joint pain. Most exert an effect on the vomiting center, CTZ, cerebral cortex, vestibular apparatus, or a combination of these areas Pretreatment is usually most effective 5-HT 3 receptor antagonists like ondansetron are usually considered the most effective antiemetics.
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