Mastering Assignment 7 - Exercise 8
Which letter is positioned over the submucosa?
A
Which of the following functions occurs in the part of the digestive system indicated by the arrow?
dehydration and compaction of indigestible materials
Which region of the stomach is highlighted?
fundus
Bile is stored in the
gallbladder
Which layer is highlighted?
longitudinal muscle of muscularis externa
The technical term for chewing is
mastication
The ________ are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves, lymphatics, and blood vessels.
mesenteries
Cells that are rapidly undergoing mitosis constantly repair and renew the lining of the pharynx and the esophagus, which is particularly vulnerable to abrasion associated with swallowing. Which of the following terms best describes this lining?
mucosa
Which layer is highlighted?
mucosa
What is the layer labeled "4"?
muscularis externa
Which structure is highlighted?
muscularis externa
Which structure is highlighted?
oropharynx
Which of the following is an accessory organ of digestion?
pancreas
The exocrine portion of the pancreas is composed of
pancreatic acini
What is produced and secreted by the exocrine cells of the pancreas?
pancreatic juice
Functions of the tongue include all of the following except
partitioning the oropharynx from the nasopharynx.
Waves of muscular contractions that propel the contents of the digestive tract are called
peristalsis
Which structure is highlighted?
portal triad
The region of the stomach that empties into the duodenum is the
pyloric part
What region of the stomach is indicated by the arrow?
pylorus
What is the function of the structure labeled "6"?
regulates gastric emptying
Drag the labels to identify the components of the digestive system.
see pic
A colonoscopy is a common diagnostic tool to check for colorectal cancer. Sometimes an investigation of the distal segment of the colon is all that is needed. What is the name of this distal segment of the colon?
sigmoid
Which of the following is not a lobe of the liver?
sigmoid
What type of epithelium covers the structure labeled "6"?
simple columnar
Which structure is highlighted?
simple columnar epithelium
A stratified squamous epithelial lining can be found in all of the following except in the
stomach
In which layer of the duodenum wall are the highlighted structures located?
submucosa
What is the layer labeled "3"?
submucosa
Drag the labels onto the diagram to identify the parts of the large intestine.
1. aorta 2. transverse colon 3. ascending colon 4. illeocecal valve 5. cecum
Drag the labels onto the diagram to identify the major segments of the intestine.
1. duodenum 2. jejunum 3. ileum 4. large intestine 5. rectum
Drag the labels to identify the structural components of the digestive tract.
1. mesentery 2. circular fold 3. mucosa 4. submucosa 5. muscular layer 6. serosa
Drag the labels onto the diagram to identify the major salivary glands and their ducts.
1. parotid duct 2. openings of sublingual ducts 3. opening of left submandibular 4. submandibular duct 5. parotid gland 6. sublingual gland 7. submandibular gland
Drag the labels onto the diagram to identify the anatomical features of the liver.
1. right lobe 2. left lobe 3. caudate lobe 4. hepatic portal vein 5. bile duct 6. inferior vena cava 7. quadrate lobe 8. gallbladder
Put the following layers of the digestive tract wall in order from the lumen to the deepest layer .1. lamina propria 2. muscularis externa 3. submucosa 4. digestive (mucous) epithelium 5. serosa 6. muscularis mucosae
4, 1, 6, 3, 2, 5
Which of these statements about the histology of the esophagus is FALSE?
The epithelial lining is simple columnar.
Damage due to puncturing or piercing of what structure would cause peritonitis?
all of the listed responses are correct
Each of the following organs is a component of the digestive tract except the
bladder
Which tooth type is highlighted?
canine
Name the region of the stomach that connects to the esophagus. (Figure 24-12)
cardia
Which region of the stomach is highlighted?
cardiac
Which region of the stomach is highlighted?
cardiac sphincter
Which lobe of the liver is highlighted?
caudate
Arrange the regions of the large intestine in the correct anatomical sequence.
cecum; transverse colon; sigmoid colon; rectum
In the center of a liver lobule there is a
central vein
Which structure is highlighted?
circular muscle of muscularis externa
Drag the labels onto the diagram to identify the parts of the large intestine.
counter clockwise 1. ascending colon 2. cecum 3. rectum 4. sigmoid colon 5. descending colon 6. transverse colon
The portion of the small intestine that attaches to the cecum is the
ileum
Which layer is highlighted?
lamina propria
The layer of loose connective tissue that directly supports the digestive epithelium is the
lamina propria.
Identify the stomach region labeled "5."
lesser curvature
Which structure of the stomach is highlighted?
lesser curvature
What part of the digestive tract is shown in this image?
the small intestine
________ pair(s) of salivary glands secrete into the oral cavity.
three
What is the function of the green-colored structure indicated by the arrow?
transport of lipids