Title: Oral%20Cavity%20
1Oral Cavity Esophagus
Stomach
Small Large Intestines
Phun wih pH
Potpourri
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2Mechanical digestion in the mouth results in a
ball of food that can be swallowed. What is this
ball of food called?
3A Bolus
4What is the name for the rhythmic contractions or
muscle movements of the esophagus?
5A. Peristalsis
6Double Jeopardy
7Why is it important that our mouth be wet or
moist in order to taste food?
8Where is the epiglottis and what does it do?
9A. Lower portion of the pharynx and it prevents
food from entering the wind pipe
10What is the name of the enzyme that begins the
digestion of polysaccharides?
11A. Salivary Amylase
12What is the mixture called that is released from
the stomach into the duodenum?
13A. Chyme
14What is the name of the structure that prevents
the acid in your stomach from coming up your
esophagus?
15A. Cardiac sphincter
16Name the three secretory cells that line the
stomach
17A. mucus, parietal, peptic / chief
18An accumulation of what bacteria can cause
stomach ulcers?
19A. Helicobacter pylori
20What do peptic cells secrete, and what is the
fate of that protein?
21A. Peptic cells secrete pepsinogen which is
activated by HCl to become pepsin
22What is the name of the first 30cm of the small
intestine?
23A. Duodenum
24What are the enzymes called that digest fats?
25A. Lipases
26Which enzyme completes the final stage of protein
digestion?
27A. Erepsin
28What enzyme activate Trypsinogen?
29A. Enterokinase
30What role do bile salts play in digestion?
31A. Emulsify fats to increase surface area
32What is the average pH of the stomach?
33A. pH of stomach is between 1 and 3
34How is the acid from the stomach neutralized?
35A. Bicarbonate ions from the pancreas
36What would be the ideal pH for the enzymes pepsin
and trypsin?
37A. Pepsin would be 2 and Trypsin would be 7
38At what pH does catalase function best?
39A. approx. 7
40Bile helps counteract the pH of digested lipids.
Would the bile be an acid or a base?
41A. Bile is slightly basic
42Which muscle separates the thoracic cavity from
the abdominal cavity?
43A. Diaphragm
44Identify 3 enzymes that help to digest
carbohydrates?
45A. Any three of amylase, maltase, sucrase, lactase
46Name the microstructure that increases the
surface area in the small intestine
47A. Villi
48Why is the buildup of cellulose important in the
colon / large intestine?
49A. Distends rectum, causing bowel movements
50Identify unique features of skeletal muscle that
differentiate it from other muscle types
51A. Many nuclei, striated, moves muscles
(observable)