Question 1

Which of the following is the forerunner of the gastrointestinal tract?

Accepted Answer

A) primitive gut 
B) foregut 
C) midgut 
D) hindgut 
E) endoderm 
A) primitive gut 
B) foregut 
C) midgut 
D) hindgut 
E) endoderm

Question 2

Describe the structures and functions of the enteric nervous system.

Accepted Answer

The ENS consists of the submucosal plexu

Question 3

How long can food stay in the fundus before being mixed with gastric juices?

Accepted Answer

A) 10 minutes 
B) 20 minutes 
C) 30 minutes 
D) 45 minutes 
E) 1 hour 
A) 10 minutes 
B) 20 minutes 
C) 30 minutes 
D) 45 minutes 
E) 1 hour

Question 4

Which of the following disorders involving the organ labeled E can result from viruses,drugs and chemicals such as alcohol?

Accepted Answer

A) heartburn 
B) mumps 
C) pancreatitis 
D) hepatitis 
E) vomiting 
A) heartburn 
B) mumps 
C) pancreatitis 
D) hepatitis 
E) vomiting

Question 5

Which hormone functions to counteract the effect of gastric acid in the small intestine?

Accepted Answer

A) Pepsin 
B) Secretin 
C) Gastrin 
D) Cholecystokinin 
E) Amylase 
A) Pepsin 
B) Secretin 
C) Gastrin 
D) Cholecystokinin 
E) Amylase

Question 6

Which structure has an opening called the apical foramen?

Accepted Answer

A) A 
B) F 
C) G 
D) H 
E) I 
A) A 
B) F 
C) G 
D) H 
E) I

Question 7

Which of the following cells secretes intrinsic factor?

Accepted Answer

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

Question 8

The capability of the GI tract to move material along its length is called
1)Motility
2)Propulsion
3)Digestion
4)Defecation

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) 4 only 
E) Both 1 and 2 
A) 1 only 
B) 2 only 
C) 3 only 
D) 4 only 
E) Both 1 and 2

Question 9

Which of the following is NOT a change in the digestive system associated with aging?

Accepted Answer

A) Decreased secretory mechanisms 
B) Decreased motility of the digestive organs 
C) Loss of strength and tone of the muscular tissue 
D) changes in neurosensory feedback regarding enzyme and hormone release 
E) All of these are age related changes in the digestive system. 
A) Decreased secretory mechanisms 
B) Decreased motility of the digestive organs 
C) Loss of strength and tone of the muscular tissue 
D) changes in neurosensory feedback regarding enzyme and hormone release 
E) All of these are age related changes in the digestive system.

Question 10

Which of the following is NOT a function of the liver?

Accepted Answer

A) Conversion of carbohydrates 
B) Protein metabolism 
C) Storage of bilirubin 
D) Phagocytosis 
E) Storage of vitamins 
A) Conversion of carbohydrates 
B) Protein metabolism 
C) Storage of bilirubin 
D) Phagocytosis 
E) Storage of vitamins

Question 11

Which of the following is the principle bile pigment?

Accepted Answer

A) Stercobilin 
B) Bilirubin 
C) Biliverdin 
D) Both Stercobilin and Bilirubin 
E) All of these choices 
A) Stercobilin 
B) Bilirubin 
C) Biliverdin 
D) Both Stercobilin and Bilirubin 
E) All of these choices

Question 12

Which of the following disorders can occur in the organ labeled B?

Accepted Answer

A) Appendicitis 
B) mumps 
C) pancreatitis 
D) hepatitis 
E) peptic ulcers 
A) Appendicitis 
B) mumps 
C) pancreatitis 
D) hepatitis 
E) peptic ulcers

Question 13

In the mouth,the tooth sockets are lined with

Accepted Answer

A) Gingivae 
B) Cementum 
C) Periodontal ligament 
D) Pulp 
E) Root 
A) Gingivae 
B) Cementum 
C) Periodontal ligament 
D) Pulp 
E) Root

Question 14

Which hormone is stimulated by high levels of dietary fat in the small intestine?

Accepted Answer

A) Pepsin 
B) Secretin 
C) Gastrin 
D) Cholecystokinin 
E) Amylase 
A) Pepsin 
B) Secretin 
C) Gastrin 
D) Cholecystokinin 
E) Amylase

Question 15

Which of the following processes is the primary function of the villi of the small intestine?

Accepted Answer

A) Ingestion 
B) Secretion 
C) Mixing and propulsion 
D) Absorption 
E) None of these choices 
A) Ingestion 
B) Secretion 
C) Mixing and propulsion 
D) Absorption 
E) None of these choices

Question 16

Which of the following small intestine cells secrete lysozyme?

Accepted Answer

A) Goblet cells 
B) Absorptive cells 
C) Mucosa cells 
D) Paneth cells 
E) S cells 
A) Goblet cells 
B) Absorptive cells 
C) Mucosa cells 
D) Paneth cells 
E) S cells

Question 17

What is line A pointing to?

Accepted Answer

A) Lumen 
B) MALT 
C) Mucosa 
D) Submucosa 
E) Muscularis 
A) Lumen 
B) MALT 
C) Mucosa 
D) Submucosa 
E) Muscularis

Question 18

Name the layer labeled A

Accepted Answer

A) Submucosa 
B) Serosa 
C) Longitudinal muscle 
D) Mucosa 
E) Circular muscle 
A) Submucosa 
B) Serosa 
C) Longitudinal muscle 
D) Mucosa 
E) Circular muscle

Question 19

Name the structure labeled F

Accepted Answer

A) Parietal cell 
B) Gastric glands 
C) Gastric pit 
D) Chief cell 
E) Simple columnar epithelium 
A) Parietal cell 
B) Gastric glands 
C) Gastric pit 
D) Chief cell 
E) Simple columnar epithelium

Question 20

Which digestive aid,produced by the stomach,begins digestion by denaturing proteins?

Accepted Answer

A) Bicarbonate ion 
B) mucus 
C) Bile 
D) Hydrochloric acid 
E) Water 
A) Bicarbonate ion 
B) mucus 
C) Bile 
D) Hydrochloric acid 
E) Water

Exam 24: The Digestive System

Which of the following is the forerunner of the gastrointestinal tract?

Describe the structures and functions of the enteric nervous system.

How long can food stay in the fundus before being mixed with gastric juices?

Which of the following disorders involving the organ labeled E can result from viruses,drugs and chemicals such as alcohol?

Which hormone functions to counteract the effect of gastric acid in the small intestine?

Which structure has an opening called the apical foramen?

Which of the following cells secretes intrinsic factor?

The capability of the GI tract to move material along its length is called 1)Motility 2)Propulsion 3)Digestion 4)Defecation

Which of the following is NOT a change in the digestive system associated with aging?

Which of the following is NOT a function of the liver?

Which of the following is the principle bile pigment?

Which of the following disorders can occur in the organ labeled B?

In the mouth,the tooth sockets are lined with

Which hormone is stimulated by high levels of dietary fat in the small intestine?

Which of the following processes is the primary function of the villi of the small intestine?

Which of the following small intestine cells secrete lysozyme?

What is line A pointing to?

Name the layer labeled A

Name the structure labeled F

Which digestive aid,produced by the stomach,begins digestion by denaturing proteins?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System Unit Ii: Principles of Support and Movement

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System Unit Iii: Control Systems of the Human Body

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System Unit Iv: Maintenance of the Human Body

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Respiratory System

Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Homeostasis Unit V: Continuity

The Reproductive Systems

Development and Inheritance

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