Question 1

Describe the structure and function of the intrinsic and extrinsic muscles of the tongue.

Accepted Answer

The intrinsic muscles are confined withi

Question 2

The liver and pancreas form as part of the embryonic

Accepted Answer

A)  foregut. 
B)  midgut. 
C)  hindgut. 
D)  the hindgut and midgut. 
A)  foregut. 
B)  midgut. 
C)  hindgut. 
D)  the hindgut and midgut.

Question 3

The ________ region of the stomach is closest to the esophagus.

Accepted Answer

The answer of The ________ region of the stomach is...

Question 4

Which of the following is not a characteristic of enteroendocrine cells?

Accepted Answer

A)  They are scattered throughout the lining epithelium of the stomach and intestines. 
B)  They secrete hormones that help signal the events of digestion. 
C)  They never secrete their product into the lumen of the digestive canal. 
D)  They are scattered throughout the lining of the rectum. 
A)  They are scattered throughout the lining epithelium of the stomach and intestines. 
B)  They secrete hormones that help signal the events of digestion. 
C)  They never secrete their product into the lumen of the digestive canal. 
D)  They are scattered throughout the lining of the rectum.

Question 5

The mesentery that suspends the small intestine is the

Accepted Answer

A)  falciform ligament. 
B)  lesser omentum. 
C)  greater omentum. 
D)  mesentery proper. 
A)  falciform ligament. 
B)  lesser omentum. 
C)  greater omentum. 
D)  mesentery proper.

Question 6

Disease of which structure is the most common cause of tooth loss in adults?

Accepted Answer

A)  periodontal ligament 
B)  crown 
C)  enamel 
D)  dentin 
A)  periodontal ligament 
B)  crown 
C)  enamel 
D)  dentin

Question 7

What is the function of the hepatopancreatic sphincter?

Accepted Answer

A)  It controls the entry of bile and pancreatic juices into the alimentary canal. 
B)  As it contracts, it squeezes pancreatic secretions into the duodenum. 
C)  It inhibits defecation in the upper alimentary canal while the anal sphincters do the same in the lower regions. 
D)  It prevents the movement of bile into the gallbladder. 
A)  It controls the entry of bile and pancreatic juices into the alimentary canal. 
B)  As it contracts, it squeezes pancreatic secretions into the duodenum. 
C)  It inhibits defecation in the upper alimentary canal while the anal sphincters do the same in the lower regions. 
D)  It prevents the movement of bile into the gallbladder.

Question 8

Some bacteria from the intestinal microbiota work their way into the intestinal wall and start to spread through the circulation. Many of these bacteria are stopped by MALT, while many more are destroyed by

Accepted Answer

A)  hepatocytes. 
B)  hepatic macrophages. 
C)  the walling-off action of the greater omentum. 
D)  megakaryocytes. 
A)  hepatocytes. 
B)  hepatic macrophages. 
C)  the walling-off action of the greater omentum. 
D)  megakaryocytes.

Question 9

The duodenum contains these structures whose products neutralize the acidic chyme.

Accepted Answer

A)  duodenal glands 
B)  gastric glands 
C)  intestinal glands 
D)  Peyer's patches 
A)  duodenal glands 
B)  gastric glands 
C)  intestinal glands 
D)  Peyer's patches

Question 10

Which of the following statements about the duodenum is false?

Accepted Answer

A)  It receives chyme from the stomach. 
B)  It is the site of action of liver and pancreas secretions. 
C)  It is shorter than either the ileum or jejunum. 
D)  It is more movable than the ileum or jejunum, which are retroperitoneal. 
A)  It receives chyme from the stomach. 
B)  It is the site of action of liver and pancreas secretions. 
C)  It is shorter than either the ileum or jejunum. 
D)  It is more movable than the ileum or jejunum, which are retroperitoneal.

Question 11

The most superficial layer of the esophagus is the serosa.

Accepted Answer

A) True 
 B)False

Question 12

The transverse colon bends inferiorly at the ________ to become the descending colon.

Accepted Answer

The answer of The transverse colon bends inferiorly at the...

Question 13

The external muscle layer of the pharynx consists of three ________ muscles, which are voluntary skeletal muscle.

Accepted Answer

pharyngeal

Describe the structure and function of the intrinsic and extrinsic muscles of the tongue.

The liver and pancreas form as part of the embryonic

The ________ region of the stomach is closest to the esophagus.

Which of the following is not a characteristic of enteroendocrine cells?

The mesentery that suspends the small intestine is the

Disease of which structure is the most common cause of tooth loss in adults?

What is the function of the hepatopancreatic sphincter?

Some bacteria from the intestinal microbiota work their way into the intestinal wall and start to spread through the circulation. Many of these bacteria are stopped by MALT, while many more are destroyed by

The duodenum contains these structures whose products neutralize the acidic chyme.

Which of the following statements about the duodenum is false?

The most superficial layer of the esophagus is the serosa.

The transverse colon bends inferiorly at the ________ to become the descending colon.

The external muscle layer of the pharynx consists of three ________ muscles, which are voluntary skeletal muscle.

The Human Body: an Orientation

Cells: the Living Units

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Urinary System

The Reproductive System

Filters

Exam 23: The Digestive System

Describe the structure and function of the intrinsic and extrinsic muscles of the tongue.

The liver and pancreas form as part of the embryonic

The ________ region of the stomach is closest to the esophagus.

Which of the following is not a characteristic of enteroendocrine cells?

The mesentery that suspends the small intestine is the

Disease of which structure is the most common cause of tooth loss in adults?

What is the function of the hepatopancreatic sphincter?

Some bacteria from the intestinal microbiota work their way into the intestinal wall and start to spread through the circulation. Many of these bacteria are stopped by MALT, while many more are destroyed by

The duodenum contains these structures whose products neutralize the acidic chyme.

Which of the following statements about the duodenum is false?

The most superficial layer of the esophagus is the serosa.

The transverse colon bends inferiorly at the ________ to become the descending colon.

The external muscle layer of the pharynx consists of three ________ muscles, which are voluntary skeletal muscle.

The Human Body: an Orientation

Cells: the Living Units

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Urinary System

The Reproductive System

Filters