Human Anatomy: The Digestive System Chapter 23

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What is the function of segmentation in the digestive process?

To eliminate waste products from the body
To mix food with digestive juices (correct)
To propel food through the alimentary canal
To absorb nutrients into the bloodstream

Which part of the peritoneum lines the body wall?

Visceral peritoneum
Mesentery
Retroperitoneal organ
Parietal peritoneum (correct)

What is the purpose of the peritoneal cavity?

To store fat
To provide a route for circulatory vessels and nerves (correct)
To propel food through the alimentary canal
To surround the digestive organs

Which of the following organs is NOT part of the alimentary canal?

Liver (B) Signup and view all the answers

What is the term for the rhythmic contraction of the intestine that helps propel food through the alimentary canal?

Peristalsis (B) Signup and view all the answers

What is the purpose of the mesentery?

To hold organs in place (D) Signup and view all the answers

What is the function of the inferior labial frenulum?

To connect the lower lip to the gum (D) Signup and view all the answers

Which muscle is involved in forming the lips and cheeks?

Orbicularis oris (D) Signup and view all the answers

What is the function of the epiglottis?

To separate the oral cavity from the oropharynx (B) Signup and view all the answers

What is the function of the intrinsic muscles of the tongue?

To change the shape of the tongue (D) Signup and view all the answers

What is the function of the palatopharyngeal arch?

To separate the oral cavity from the oropharynx (B) Signup and view all the answers

What is the function of the vestibule?

To contain the oral cavity (B) Signup and view all the answers

Which cells in the pancreas produce, store, and secrete pancreatic enzymes?

Acinar cells (D) Signup and view all the answers

What is the name of the duct that connects the gallbladder to the common hepatic duct?

Cystic duct (D) Signup and view all the answers

What is the term for the small tubes that carry digestive enzymes from the pancreas to the duodenum?

Ductules (A) Signup and view all the answers

What is the name of the muscle that surrounds the pancreatic duct and regulates the flow of pancreatic juice into the duodenum?

Sphincter of Oddi (B) Signup and view all the answers

What is the name of the part of the pancreas that is located near the duodenum?

Head (A) Signup and view all the answers

What is the term for the hormones produced by the pancreas that regulate blood sugar levels?

Insulin and glucagon (A) Signup and view all the answers

What is the age range when the third molar, also known as the wisdom tooth, erupts?

17-25 years (B) Signup and view all the answers

What is the function of the salivary glands?

To produce saliva that moistens the mouth and aids in digestion (D) Signup and view all the answers

What is the name of the structure that connects the root of the tooth to the surrounding bone?

Periodontal ligament (C) Signup and view all the answers

What is the name of the layer of muscle in the pharynx?

External muscle layer (A) Signup and view all the answers

What is the purpose of the dental formula?

To indicate the number and position of teeth (A) Signup and view all the answers

What is the name of the part of the tooth that contains blood vessels and nerves?

Pulp cavity (D) Signup and view all the answers

What is the outermost layer of the alimentary canal wall?

The serosa (D) Signup and view all the answers

What is the function of the muscularis mucosae?

Local movement (D) Signup and view all the answers

What is the location of the MALT in the alimentary canal wall?

In the lamina propria (C) Signup and view all the answers

What is the name of the nerve plexus located between the circular and longitudinal muscular layers?

Myenteric nerve plexus (C) Signup and view all the answers

What is the purpose of the mesentery and its derivatives?

To suspend the digestive organs in the abdominal cavity (B) Signup and view all the answers

What is the term for the peritoneum that lines the abdominal cavity?

Parietal peritoneum (C) Signup and view all the answers