digestive diagrams
muscularis mucosae
What is the layer labeled "2"?
C) simple columnar
What type of epithelium covers the structures labeled "6"? A) simple cuboidal B) simple squamous C) simple columnar D) pseudostratified ciliated columnar E) stratified squamous
D) 10
Which structure controls the contraction of the muscularis externa? A) 2 B) 8 C) 9 D) 10 E) 11
C) 6
Where would you find a brush border? A) 2 B) 4 C) 6 D) 9 E) 10
E) constrict
Contraction of the muscle layer labeled "9" causes the digestive tract to A) fold for increased surface area. B) secrete enzymes. C) shorten. D) dilate. E) constrict.
lesser curvature
Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following questions: Identify the stomach region labeled "5."
regulates gastric emptying
Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following questions: What is the function of the structure labeled "6"?
9
Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following questions: Which structure(s) help(s) the stomach to stretch as it fills with food?
B) protection from bacteria
Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following questions: What is the function of the structure labeled "7"? Select one: a. production of lipase b. protection from bacteria c. production of pepsinogen d. production of hydrochloric acid e. production of sodium bicarbonate
oblique muscle layer
Identify the structure labeled "10."?
E) fundus
Identify the structure labeled "12." A) pylorus B) greater curvature C) lesser curvature D) cardia E) fundus
D) pylorus
Identify the structure labeled "7." A) greater curvature B) cardia C) lesser curvature D) pylorus E) esophagus
A) villi
Identify the structures labeled "6." A) villi B) lacteals C) circular folds D) serosa E) microvilli
E. All of these choices are correct.
The structure labeled "5" A) contributes to the mesentery of the small intestine. B) is called the serosa. C) has a simple squamous epithelium. D) is part of the visceral peritoneum. E) All of the answers are correct.
B) antibodies
What is produced by the structure labeled "7"? A) sodium bicarbonate B) antibodies C) pepsinogen D) hydrochloric acid E) lipase