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