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Copy of Team 9 - Smell, Taste, Gastrointestinal System
Transcript of Copy of Team 9 - Smell, Taste, Gastrointestinal System
5 taste sensations:
Age related changes:
1. Eat the crackers (to simulates dry mouth).
2. Either eat the bread alone or dunk it in water.
3. Share your experience with the class!
Taste, Smell & Gastrointestinal System
By: Allison Gallant, Chun (Andy) Yip, Julie Zasada, Karen Lee, Marie McNabb, & Kyleen Wong
Smell is defined as the detection and identification by sensory organs of airborne chemicals
Abnormal loss of smell is negative prognostic factor for specific neurodegenerative diseases
2 divisions: alimentary canal and accessory organs
Functions: digestion, absorbing nutrients and excreting waste
ACCESSORY ORGANS & GLANDS:
Chemical and mechanical digestion
3 pairs of salivary glands
Age-Related Changes of the Mouth
Risk of Aspiration Pneumonia
Esophagus connects the pharynx to the stomach
Age-Related Changes of the Esophagus
Gastric (peptic) ulcer
Cancer of the stomach
Age-Related Changes of the Stomach
Located in the upper left side of the abdominal cavity
Enzymes are used to aid in the chemical digestion of food
Where it all ends...
Major digestive organ that connects the stomach to the large intestine
Longest part of the alimentary canal, consist of 3 parts:
Majority of absorption occurs here
Last part of the GI tract
Leads from the small intestine to the rectum
Age-Related Changes of the Large Intestine
Majority of carriers remain asymptomatic
Many lifestyle risk factors
Diagnosis by ultrasonography
Treatment options include:
Diverticulosis and Diverticulitis:
Diverticulosis = pouches
Diverticulitis = inflammation and infection of pouches
Age-Related GI Tract Disorders
cancer of the esophagus
gastroesophageal reflux disease (GERD)
gastric (peptic ulcer)
cancer of the stomach
cancer of the pancreas
diverticulosis and diverticulitis
cancer and colon and rectum
Q1: Not only does George like eating carrots but he’s also an avid coffee drinker. George has been complaining of a burning sensation in his chest after drinking his coffee and also after eating a large meal. He has also noticed that a sour-tasting acid backing up into his mouth. This has been happening to him for many years. What disorder could George potentially have?
Case Study - Question 2
Q2: One day, George started to experience severe abdominal pain in his left lower quadrant. He also had a high fever and felt very fatigued. The pain was so severe that he went to the emergency department. The doctor in the emergency room ordered a CT-scan. The scan showed inflammation and the formation of pouches in his colon. What is the diagnosis?
GI Tract Video
produce bile and filters blood
exocrine and endocrine secretions
D’Souza, J. (2016, February 2). What your poo is telling you about your health. Huffington Post. Retrieved from http://www.huffingtonpost.ca/2016/02/02/what-you-poo-is-telling-you_n_9134848.html.
Human sensory reception. (2016). In Encyclopaedia Britannica. Retrieved from http://academic.eb.com/EBchecked/topic/534831/human-sensory-reception
Saxon, S.V., Etten, M.J., & Perkins, E.A. (2015). Physical change & aging: A guide for the helping professions. New York: Springer Publishing Company.
Sifferlin, A. (2012, May 31). “Old-person smell” Really exists, scientists say. TIME Magazine. Retrieved from http://healthland.time.com/2012/05/31/old-person-smell-really-exists-scientists-say/.
Stephenson, R., Houghton, D., Sundarararjan, S., Doty, R. L., Stern, M., Xie, S. X., & Siderowf, A. (2010). Odor identification deficits are associated with increased risk of neuropsychiatric complications in patients with Parkinson's disease. Movement Disorders, 25(13), 2099-2104. doi:10.1002/mds.23234
Images and Video