Download Digestion Info 1/3/12 Please use the following as a study guide for

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Digestion Info 1/3/12
Please use the following as a study guide for the information to be gained on Tuesday. The information
can be gotten on my website OR your book. Please keep in the back of your mind, as you do this, how
all of the enzymes, actions, organs, etc. work together to assist your digestion.
How many teeth (deciduous and permanent) does a person have?
What are the layers of a healthy human tooth?
How does the shape of a tooth assist in its’ function?
What glands are found in the mouth? What are the 3 types?
What enzyme does it release?
What is the function of that enzyme?
Remembering that saccharides are sugars, what are poly and disaccharides?
Dissachardes AKA _____________________.
The pharynx is the next organ.
AKA __________________________.
what is another name for the action of swallowing a food bolus __________
Esophagus takes the food from ____ to ______.
What type of glands are found here? Why are they important here?
How does food move through the esophagus?
Stomach
What is the shape of the stomach and how big is it?
Draw the stomach and label the following regions:
-cardiac, gastroesophageal sphincter, fundus, pyloris, pyloric sphincter, greater curvature
and lesser curvature, body.
If you were to dissect the stomach remember the 4 layers. What are the 4 layers going from
deep (inside) to superficial?
HOw are the rugae of the stomach similar to the sulcii of the brain?
Describe the rugae microscopically.
GASTRIC JUICES
Composed of 5 things: ____, ___, ____, _____, and ______
Mucus function?
Enzyme found here:
What does this enzyme break down?
HCl (Hydorchloric acid) function?
What does intrinsic factor do?
How is intrinsic factor similar to insulin?
Gastrin is a regulatory hormone. When you have Thanksgiving dinner (AKA Graaaavy) you
stomach stretches. This hormone is released and controls the following:
-increases secretions from gastric glands (listed above)
-causes the stomach to speed up (mixing action)
-contracts the gastroesophageal sphincter (AKA “I couldn’t eat another bite”;
food cannot go back up esophagus)
-begins to relax pyloric sphincter so food can move to duodenum.
There is only about ____ % absorption in the stomach. The rest takes place in SI and LI.
What is the name of the liquid “mash” that is composed of food and gastric juice?
As food passes into the first part of the small intestine SECRETIN (a hormone) is released that tells the
pancreas to get to work.
What part of the small intestine does the pancreas empty in to?
The pancreas is very rich in enzymes. What are the 4 enzymes (names) and what do they break down?
LIVER (accessory organ)
How many lobes does it have?
What is its’ function?
What does it store?
It also filters, destroys and secretes. What does it filter, secrete and destroy?
What is cirrhosis of the liver? What will your pt. present like?
What is the vasculature of the liver composed of?
What is bile and what does it do?
What is emulsification?
Where is the gall bladder and how is it connected?
You can see that extra bile is stored in the gall bladder and is called into action
when a pt. eats a high fat meal. The liver itself can handle almost all other bile release on an as needed
basis. It is for this reason that person can easily live w/o a gall bladder.
When you are finished with this information, you should then go see Mr. Zahn and check out your old
exam folder to start looking over those document in preparation for your final exam.
Please also review the s/s of the following disorders (you may see these again on Friday)
Pneumonia, CHF, Stroke, CHF, Ectopic Pregancy, Lupus, Mono, Strep Throat, Ear infection, Panic
disorder, Colon blockage, arthritis (hip or knee), drug seeker, migraine headache, flu, kidney stones,
asthma, alcohol intoxication or poisoning, etc.