Question 1

Hepatitis A, B, and C are bacterial infections for which no effective vaccines or treatments are available.

Accepted Answer

A) True 
 B)False

Question 2

Longitudinal folds of the stomach mucosa are called ________.

Accepted Answer

The answer of Longitudinal folds of the stomach mucosa are...

Question 3

Use the diagram above to answer the following questions.
-Identify the letter that indicates the hepatic ducts as they exit the porta hepatis.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 4

Most of the gastrointestinal tract is innervated by the sympathetic and parasympathetic branches of the nervous system. Which parts are innervated by the somatic nervous system?

Accepted Answer

A)  esophagus and stomach 
B)  pharynx and anal canal 
C)  pyloric, ileocecal, and internal anal sphincters 
D)  small and large intestines 
A)  esophagus and stomach 
B)  pharynx and anal canal 
C)  pyloric, ileocecal, and internal anal sphincters 
D)  small and large intestines

Question 5

Use the diagram above to answer the following questions.
-Identify the letter that indicates the cardia of the stomach.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 6

Smooth muscle constriction between the ileum and cecum.

Accepted Answer

A)  splenic flexure 
B)  cecum 
C)  hepatic flexure 
D)  ileocecal valve 
E)  haustra 
A)  splenic flexure 
B)  cecum 
C)  hepatic flexure 
D)  ileocecal valve 
E)  haustra

Question 7

"Baby" teeth are more properly called ________ teeth.

Accepted Answer

The answer of "Baby" teeth are more properly called ________...

Question 8

The pancreas and duodenum are secondarily retroperitoneal organs.

Accepted Answer

A) True 
 B)False

Question 9

The parietal cells in the stomach produce

Accepted Answer

A)  mucin. 
B)  pepsin. 
C)  intrinsic factor and HCl. 
D)  secretin. 
A)  mucin. 
B)  pepsin. 
C)  intrinsic factor and HCl. 
D)  secretin.

Question 10

The terms taste bud and papillae are synonymous.

Accepted Answer

A) True 
 B)False

Question 11

Attaches the liver to the anterior abdominal wall and diaphragm.

Accepted Answer

A)  greater omentum 
B)  lesser omentum 
C)  falciform ligament 
D)  ligamentum teres 
E)  porta hepatis 
A)  greater omentum 
B)  lesser omentum 
C)  falciform ligament 
D)  ligamentum teres 
E)  porta hepatis

Question 12

The ________ attaches the liver to the lesser curvature of the stomach.

Accepted Answer

A)  haustra 
B)  hepatopancreatic ampulla 
C)  porta hepatis 
D)  greater omentum 
E)  lesser omentum 
A)  haustra 
B)  hepatopancreatic ampulla 
C)  porta hepatis 
D)  greater omentum 
E)  lesser omentum

Question 13

The ________ is connective tissue whose capillaries nourish the epithelium of the mucosa.

Accepted Answer

The answer of The ________ is connective tissue whose capillaries...

Question 14

Thin myofilaments of smooth muscle fibers are anchored to intermediate filaments by ________.

Accepted Answer

The answer of Thin myofilaments of smooth muscle fibers are...

Question 15

Use the diagram above to answer the following questions.
-Identify the letter indicating the bulb through which digestive enzymes and bile flow to the duodenum.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 16

Which of the following is a role of the levator ani muscle in defecation?

Accepted Answer

A)  It pushes down on the feces. 
B)  It has no role in defecation, only in inhibiting defecation (it is the external sphincter muscle). 
C)  It lifts the anal canal superiorly around the feces. 
D)  Its stretch and proprioception properties initiate the defecation reflex. 
A)  It pushes down on the feces. 
B)  It has no role in defecation, only in inhibiting defecation (it is the external sphincter muscle). 
C)  It lifts the anal canal superiorly around the feces. 
D)  Its stretch and proprioception properties initiate the defecation reflex.

Question 17

The process of ________ in the intestine mixes food with digestive juices and increases the efficiency of nutrient uptake.

Accepted Answer

The answer of The process of ________ in the intestine...

Question 18

Why are bacteria abundant in the large intestines but not in the stomach?

Accepted Answer

A)  Food enters the stomach first and does not spend much time there. 
B)  The intestine is much warmer and moister, encouraging bacterial growth. 
C)  The stomach wall contains so much lymphoid tissue that it destroys all bacteria there. 
D)  Secretions of parietal cells kill bacteria in the stomach. 
A)  Food enters the stomach first and does not spend much time there. 
B)  The intestine is much warmer and moister, encouraging bacterial growth. 
C)  The stomach wall contains so much lymphoid tissue that it destroys all bacteria there. 
D)  Secretions of parietal cells kill bacteria in the stomach.

Question 19

Describe the structure of a mesentery, and then identify and describe the location of two ventral and two dorsal mesenteries.

Accepted Answer

A mesentery consists of two serous membr

Question 20

Which of the following is not contained in saliva?

Accepted Answer

A)  enzymes that begin the digestion of proteins 
B)  enzymes that initiate the digestion of carbohydrates 
C)  bicarbonate buffer 
D)  bactericidal enzymes 
A)  enzymes that begin the digestion of proteins 
B)  enzymes that initiate the digestion of carbohydrates 
C)  bicarbonate buffer 
D)  bactericidal enzymes

Exam 23: The Digestive System

Hepatitis A, B, and C are bacterial infections for which no effective vaccines or treatments are available.

Longitudinal folds of the stomach mucosa are called ________.

Use the diagram above to answer the following questions. -Identify the letter that indicates the hepatic ducts as they exit the porta hepatis.

Most of the gastrointestinal tract is innervated by the sympathetic and parasympathetic branches of the nervous system. Which parts are innervated by the somatic nervous system?

Use the diagram above to answer the following questions. -Identify the letter that indicates the cardia of the stomach.

Smooth muscle constriction between the ileum and cecum.

"Baby" teeth are more properly called ________ teeth.

The pancreas and duodenum are secondarily retroperitoneal organs.

The parietal cells in the stomach produce

The terms taste bud and papillae are synonymous.

Attaches the liver to the anterior abdominal wall and diaphragm.

The ________ attaches the liver to the lesser curvature of the stomach.

The ________ is connective tissue whose capillaries nourish the epithelium of the mucosa.

Thin myofilaments of smooth muscle fibers are anchored to intermediate filaments by ________.

Use the diagram above to answer the following questions. -Identify the letter indicating the bulb through which digestive enzymes and bile flow to the duodenum.

Which of the following is a role of the levator ani muscle in defecation?

The process of ________ in the intestine mixes food with digestive juices and increases the efficiency of nutrient uptake.

Why are bacteria abundant in the large intestines but not in the stomach?

Describe the structure of a mesentery, and then identify and describe the location of two ventral and two dorsal mesenteries.

Which of the following is not contained in saliva?

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