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111 Cards in this Set
- Front
- Back
Benedict's solution
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test that indicates the absence of starch (presence of simple sugars); blue changes to yellow/red/orange
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Lugol's iodine
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test that indicates presence of starch; dark purple
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Litmus cream
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dairy cream used as a pH indicator; pink = acidic and blue = alkaline
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Exp. 3: Fat & Lipid Digestion
Which tube was most acidic, as indicated by its color? |
Tube #2
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Exp. 3: Fat & Lipid Digestion
Which tube showed the most digestion? Why? |
Tube #2 because bile salts were added.
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Exp. 3: Fat & Lipid Digestion
Where did the acid come from as the fat was digested? |
The breakdown of a triglyceride is a glycerol + fatty acid. <=== FATTY ACID!
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Why are the tubes incubated at 37 degrees Centigrade?
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They are incubated at this temperature to mimic the core body temperature of a normal. healthy adult.
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Identify this digestive structure.
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Colon
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#1
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Mucosa
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#2
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Lymphoid nodule
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#3
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Submucosa
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#4
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Muscularis externa and serosa
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Identify this digestive structure.
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Pancreas
Tip: Circles (acini) surrounding big circle (islet) |
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#1
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Pancreatic acini
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#2
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Pancreatic islets
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#1
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Crown
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#2
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Neck
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#3
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Root
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#1
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Enamel
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#2
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Dentin
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#3
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Pulp cavity
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#4
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Root canal
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#1
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Pancreatic acini
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#2
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Pancreatic islet
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#1
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Hepatocytes
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#2
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Sinusoids
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#1
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Sinusoids
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#2
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Hepatocytes
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Identify this digestive structure.
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Liver
Tip: Freckled (nuclei); Squiggles (sinusoids) coming out of white mass (central vein) |
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Identify this digestive structure.
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Liver
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Identify this digestive structure.
Note: Empty goblet cells |
Large intestine (colon)
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#1
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Goblet cell
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Identify this digestive structure.
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Large intestine (colon)
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#1
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Goblet cell
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#2
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Lymphoid nodule
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Identify this digestive structure.
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Small intestine
Note: Presence of villi. |
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Identify layer #1.
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Serosa
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Identify layer #2.
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Muscularis
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Identify layer #3.
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Submucosa
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Identify layer #4.
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Mucosa
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Identify this digestive structure.
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Small intestine
Tip: Spikes (villi) |
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#1
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Intestinal glands
Note: Beneath villi |
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#2
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Duodenal glands
Note: Cluster of empty-looking cells |
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#3
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Villi
Note: May look like fingers or circles |
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Identify this digestive structure.
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Stomach
Tip: Stacked nuclei (rugae) |
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#1
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Gastric pits
Note: Lie on top of rugae |
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#2
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Rugae
Tip: Stacked up nuclei |
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Identify this digestive structure.
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Stomach
Note: Stacked rugae in layer #4 |
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Identify layer #1.
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Serosa
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Identify layer #2.
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Muscularis
Note: Striated muscle fibers |
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Identify layer #3.
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Submucosa
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Identify layer #4.
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Mucosa
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Identify this digestive structure.
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Salivary glands
Tip: Spotted animal skin; usually mistaken for pancreas |
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#3
Image © A Gunin, 2000-09 |
Taste buds
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Identify this digestive structure.
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Taste buds
Note: Oval-shaped; along sides of papillae |
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pepsin
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proteolytic enzyme secreted in the stomach as its inactive form pepsinogen
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Exp. 1: Protein Digestion by Pepsin
Which tube digested the most protein and why? |
Tube #2 because HCl activates pepsin and it had the optimal pH for protein digestion.
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Exp. 2: Digestion of Carbs
What is the resulting color after adding Lugol's iodine in a test tube of starch solution? What does this tell us? |
Dark purple
This tells us starch is present. |
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salivary amylase
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enzyme secreted by the salivary glands that begins the breakdown of complex sugars and starches in the oral cavity
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Exp. 2: Digestion of Carbs
What is the resulting color after saliva/starch mix was added with Lugol's iodine? Why is this color different than before? |
Yellow
Salivary amylase (in the saliva) broke down the starch and now starch is no longer detected. |
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Exp. 2: Digestion of Carbs
What is the final color... in the control? In the digested tube? Does this demonstrate the presence of sugar in digested tube? |
Control = Dark pink
Digested = Green Yes |
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Exp. 2: Digestion of Carbs
What happened to starch during water bath, at 37 degrees Centigrade, in terms of enzymatic activity? |
Polysaccharides turned into monosaccharides via salivary amylase.
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#1
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Lower esophageal sphincter
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#2
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Cardia
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#3
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Pyloric sphincter
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#4
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Pyloric antrum
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#5
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Body
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#6
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Fundus
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#1
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Lesser curvature
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#2
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Rugae
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#1
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Common bile duct
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#2
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Cystic duct
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#3
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Gallbladder
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#1
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Hepatic portal vein
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#2
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Right hepatic a.
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#3
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Cystic v.
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#4
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Cystic a.
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#1
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Hepatic v.
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#2
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Left hepatic a.
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#3
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Left hepatic duct
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Is your gallbladder on the left or right side of the body?
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Right side of the body
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Identify this digestive structure.
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Parotid gland
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#1
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Sublingual salivary gland
Note: Beneath the tongue |
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#2
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Submandibular salivary gland
Note: Beneath the jaw |
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#1
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Gastroepiploic a.
Note: Will follow along great curvature of stomach |
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#2
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Hepatic flexure
Note: Right side of the body |
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#3
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Ascending colon
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#3
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Ascending colon
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#4
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Haustra
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#5
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Descending colon
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#6
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Taenia coli
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#7
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Splenic flexure
Note: Left side, near spleen |
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#8
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Gastroduodenal a.
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#1
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Left gastric a.
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#2
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Pancreas
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#3
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Pancreatic duct
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#4
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Major duodenal papillae
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#5
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Duodenum (of small intestine)
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#1
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Transverse colon
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#2
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Jejunum
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#3
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Ileocecal valve
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#4
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Cecum
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#5
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Ileum
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#6
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Sigmoid colon
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#7
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Vermiform appendix
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#8
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Rectum
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#9
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Anal canal
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#1
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Vestibule
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#2
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Uvula
Note: Comes after soft palate |
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Identify this digestive structure.
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Taste buds
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#6
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Proper hepatic a.
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