Question 3 (0.5 points) Is the mucosa layer of the large intestine most similar

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Question 3 (0.5 points) Is the mucosa layer of the large intestine most similar to the mucosa layer of the esophagus, stomach, or small intestine and how? Esophagus because they both are mostly lined by stratified squamous epithelium O, O b) Stomach because they both have secretory glands O e Stomach because they both have rugae O Small intestine because they both have villi O , Small intestine because they both absorb nutrients such as protein and carbohydrates Save Question 4 (0.75 points) Compare the specializations of the wall of the alimentary canal by matching the following structures and/or specialized epithelial cell types to the organ in which they are located. Each structure/cell type will have only one answer Peyers patches plicae circulares 1, esophagus parietal cells 2. stomach small inbestine 4, large intestine chief cels gastrie pits Save Question 5 (0.75 points) Which cell types produce mucus? Choose all that apply. (0 a) neck cells in the stomach b) neck cells in the large intestine O e) chief cells in the stomach d) chief cells in the small intestine e) goblet cells in the stomach O goblet cells in the small intestine g) goblet cells in the large intestine h) absorptive cells in the small intestine Save Question 6 (0.5 points The muscle tissue in the wall of the alimentary canal is primarily smooth muscle However, in at least one location it contains skeletal muscle. Where is skeletal muscle located and what is its function? a) In the oblique layer of the stomach for churning food. In the esophagus for food propulsion and in the oblique layer of the stomach for O b churning food c) In the esophagus for food propulsion and in the internal and external anal sphincters for closing O d In the esophagus for food propulsion and the external anal sphincter for closing ,'n the esophagus for food propulsion, in all the sphincters for closing, and in the oblique layer of the stomach for churning Save

Explanation / Answer

1.

2.

3. (a) esophagus because they both are mostly lined by stratified squamous epithelium.

4. Peyers patches - (3) small intestine

Plica circulators - (3) small intestine

Parietal cells - (2) stomach

Chief cells - (2) stomach

Villi - (3) small intestine

Gastric pits - (2) stomach

5. (e) globlet cells in the stomach

6. (b) In the esophagus for food propulsion and in the oblique layering the stomach for churning food.

7. (d) It decreases the surface area of the absorptive surface

8.The four layers of the alimentary canal are-

(1) mucosa

(2) submucosa

(3) muscularis externa

(4) serous layer

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