Question 1

What layer is composed of areolar connective tissue and epithelium?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) none of these 
A) A 
B) B 
C) C 
D) D 
E) none of these E

Question 2

Which layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis?

Accepted Answer

A) Submucosa 
B) Lamina propria 
C) Epithelium 
D) Serosa 
E) None of these choices 
A) Submucosa 
B) Lamina propria 
C) Epithelium 
D) Serosa 
E) None of these choices A

Question 3

Name the layer labeled E

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 D

Question 4

Brunner's glands

Accepted Answer

A) Secrete an acidic mucus 
B) Secrete an alkaline juice 
C) Secrete an alkaline mucus 
D) Secrete an acidic juice 
A) Secrete an acidic mucus 
B) Secrete an alkaline juice 
C) Secrete an alkaline mucus 
D) Secrete an acidic juice

Question 5

Which layer of the GI tract is composed of areolar connective tissue containing blood and lymph vessels?

Accepted Answer

A) Mucosa 
B) Lamina propria 
C) MALT 
D) Muscularis 
E) Epithelium 
A) Mucosa 
B) Lamina propria 
C) MALT 
D) Muscularis 
E) Epithelium

Question 6

Which structure regulates the flow of material into the colon?

Accepted Answer

A) Ileocecal sphincter 
B) Pyloric sphincter 
C) Appendix 
D) Sigmoid colon 
E) Anal canal 
A) Ileocecal sphincter 
B) Pyloric sphincter 
C) Appendix 
D) Sigmoid colon 
E) Anal canal

Question 7

Why do emotions such as anger or fear slow digestion?

Accepted Answer

A) Because they stimulate the parasympathetic nerves supplying the GI tract 
B) Because they stimulate the somatic nerves that supply the GI tract 
C) Because they stimulate the sympathetic nerves that supply the GI tract 
D) They do not affect digestion 
E) Because all emotions are controlled by the Vagus nerve 
A) Because they stimulate the parasympathetic nerves supplying the GI tract 
B) Because they stimulate the somatic nerves that supply the GI tract 
C) Because they stimulate the sympathetic nerves that supply the GI tract 
D) They do not affect digestion 
E) Because all emotions are controlled by the Vagus nerve

Question 8

Describe the structural characteristics of the small intestine that enhance its function as the major absorber of nutrients.

Accepted Answer

All structures increase surface area to

Question 9

Which cell secretes the hormone that promotes production of hydrochloric acid?

Accepted Answer

A) Neck cell 
B) Chief cell 
C) G cell 
D) Chyme cell 
E) Parietal cell 
A) Neck cell 
B) Chief cell 
C) G cell 
D) Chyme cell 
E) Parietal cell

Question 10

What does line G point to?

Accepted Answer

A) Pylorus 
B) Pyloric sphincter 
C) Rugae 
D) Pyloric antrum 
E) Greater curvature 
A) Pylorus 
B) Pyloric sphincter 
C) Rugae 
D) Pyloric antrum 
E) Greater curvature

Question 11

The enzyme,produced in the organ labeled C,that produces fatty acids and monoglycerides during digestion is called:

Accepted Answer

A) Sucrase 
B) Pancreatic lipase 
C) Salivary amylase 
D) Trypsin 
E) Elastase 
A) Sucrase 
B) Pancreatic lipase 
C) Salivary amylase 
D) Trypsin 
E) Elastase

Question 12

Which of the following cells secretes pepsinogen?

Accepted Answer

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

Question 13

Which of the following cells secrete hydrochloric acid?

Accepted Answer

A) Mucous cells 
B) Parietal cells 
C) Chief cells 
D) Serosa cells 
E) Chyme cells 
A) Mucous cells 
B) Parietal cells 
C) Chief cells 
D) Serosa cells 
E) Chyme cells

Question 14

Which portion of the peritoneum drapes over the transverse colon and coils of the small intestine?

Accepted Answer

A) Greater omentum 
B) Falciform ligament 
C) Lesser omentum 
D) Mesentery 
E) Mesocolon 
A) Greater omentum 
B) Falciform ligament 
C) Lesser omentum 
D) Mesentery 
E) Mesocolon

Question 15

Which of the following accessory organs produces a fluid that functions to emulsify dietary fats?

Accepted Answer

A) Teeth 
B) Salivary glands 
C) Liver 
D) Gallbladder 
E) Pharynx 
A) Teeth 
B) Salivary glands 
C) Liver 
D) Gallbladder 
E) Pharynx

Question 16

Which layer functions by secreting a lubricating fluid?

Accepted Answer

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

Question 17

Which structure consists of calcified connective tissue?

Accepted Answer

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

Question 18

Describe the role of the liver in protein metabolism.

Accepted Answer

Hepatocytes deaminate amino acids.The am

Question 19

Which of following processes is the primary function of the mouth?

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 20

Which of the following cells secrete mucus?

Accepted Answer

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

Exam 24: The Digestive System

What layer is composed of areolar connective tissue and epithelium?

Which layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis?

Name the layer labeled E

Brunner's glands

Which layer of the GI tract is composed of areolar connective tissue containing blood and lymph vessels?

Which structure regulates the flow of material into the colon?

Why do emotions such as anger or fear slow digestion?

Describe the structural characteristics of the small intestine that enhance its function as the major absorber of nutrients.

Which cell secretes the hormone that promotes production of hydrochloric acid?

What does line G point to?

The enzyme,produced in the organ labeled C,that produces fatty acids and monoglycerides during digestion is called:

Which of the following cells secretes pepsinogen?

Which of the following cells secrete hydrochloric acid?

Which portion of the peritoneum drapes over the transverse colon and coils of the small intestine?

Which of the following accessory organs produces a fluid that functions to emulsify dietary fats?

Which layer functions by secreting a lubricating fluid?

Which structure consists of calcified connective tissue?

Describe the role of the liver in protein metabolism.

Which of following processes is the primary function of the mouth?

Which of the following cells secrete mucus?

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

Filters