http://www.kenyanview.com/IMG_0865_Nairobi_skyline.jpg

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http//www.kenyanview.com/IMG_0865_Nairobi_skyline
.jpg
http//www.planetware.com/i/photo/amboseli-nationa
l-reserve-formerly-amboseli-national-park-ken132.j
pg
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http//picasaweb.google.com/dmeyer1usa/AfricaTrip2
007/photo5132143011588101730
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http//abandoned-orphaned.typepad.com/photos/uncat
egorized/2007/08/01/matharesewagerut.jpg
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Patient Presentation

• 22 year old female
• Sudden onset of severe, watery diarrhea
• Nausea, vomiting
• Physical exam dry mouth, low blood pressure

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http//upload.wikimedia.org/wikipedia/commons/thum
b/d/db/Vibrio_cholerae_01.jpg/800px-Vibrio_cholera
e_01.jpg
http//microbewiki.kenyon.edu/images/a/a8/V_choler
ae.jpg
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http//www.msf.org/source/countries/africa/angola/
2006/cholera_tent.jpg
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You are the doctor, and you must save the
patients life. Here is what you have to work
with

• Antiviral medication
• Antibacterial medication (antibiotics)
• Salt
• Aspirin
• Sugar
• Water
• Pepsi

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http//www.medicalook.com/systems_images/Digestive
_System.jpg
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http//visiblehuman.epfl.ch/
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Skin
Intestine
Body
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Skin
Salt
Intestine
Body
Salt
Salt
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Salt
Salt
Salt
Salt
Salt
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Our Model System
The Body
Conical Tube
Skin
Dialysis Tube
Intestine
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Two Dialysis Tubes per Group
Conical Tube
Dialysis Tube
Dialysis Tube
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Two Dialysis Tubes per Group
Conical Tube
water
sucrose
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What happened to the dialysis tube with 80
sucrose? Why?
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Water
Sucrose Solution
Water
Water
Water
Osmosis
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Net Flow of Water
Osmosis
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Sucrose Solution
Net Flow of Water
Net Flow of Water
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How does your experiment explain cholera diarrhea?
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Salt
Salt
Salt
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Salt
Salt
Salt
Salt
Salt
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Salt
Salt
Net Flow of Water
Net Flow of Water
Salt
Salt
Salt
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How would you treat the patient using osmosis?
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Salt
Sugar
Salt
Salt
Sugar
Sugar
Salt
Sugar
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Salt
Sugar
Salt
Salt
Sugar
Sugar
Net Flow of Water
Salt
Net Flow of Water
Sugar
Salt
Sugar
Salt
Salt
Sugar
Sugar
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