Question 1

Which of the following is a contribution of the digestive system to the muscular system?

Accepted Answer

A) Small intestine absorbs dietary calcium and phosphorous salts. 
B) The liver can convert lactic acid to glucose. 
C) Small intestine absorbs vitamin D. 
D) Excess dietary calories are stored as triglycerides in adipose cells. 
E) The liver synthesizes most plasma proteins. 
A) Small intestine absorbs dietary calcium and phosphorous salts. 
B) The liver can convert lactic acid to glucose. 
C) Small intestine absorbs vitamin D. 
D) Excess dietary calories are stored as triglycerides in adipose cells. 
E) The liver synthesizes most plasma proteins.

Question 2

Which plexus is located between the longitudinal and circular smooth muscle layers of the muscularis?

Accepted Answer

A) ENS 
B) Myenteric plexus 
C) Submucosal plexus 
D) Digestive plexus 
E) Absorption plexus 
A) ENS 
B) Myenteric plexus 
C) Submucosal plexus 
D) Digestive plexus 
E) Absorption plexus

Question 3

Which of the following is NOT a primary function of the large intestine?

Accepted Answer

A) Mechanical digestion 
B) Chemical digestion 
C) Absorption 
D) Feces formation 
E) Regulation of blood glucose 
A) Mechanical digestion 
B) Chemical digestion 
C) Absorption 
D) Feces formation 
E) Regulation of blood glucose

Question 4

What is line F pointing to?

Accepted Answer

A) Pulp cavity 
B) Cementum 
C) Root canal 
D) Alveolar bone 
E) Gingival sulcus 
A) Pulp cavity 
B) Cementum 
C) Root canal 
D) Alveolar bone 
E) Gingival sulcus

Question 5

Which structure secretes alkaline fluid to buffer stomach acid?

Accepted Answer

A) Paneth cells 
B) absorptive cells 
C) Brunner's glands 
D) microvilli 
E) enteroendocrine cells 
A) Paneth cells 
B) absorptive cells 
C) Brunner's glands 
D) microvilli 
E) enteroendocrine cells

Question 6

Which the portion of the stomach connects to the duodenum?

Accepted Answer

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

Question 7

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 8

The enzyme,produced in the organ labeled C,that leads to the production of 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 9

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 10

Which of the following cells secretes gastrin?

Accepted Answer

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

Question 11

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 12

Describe the role of the liver in protein metabolism.

Accepted Answer

Hepatocytes deaminate amino acids.The am

Question 13

Which major duct carries a fluid rich in bicarbonate ions?

Accepted Answer

A) Pancreatic duct 
B) Hepatopancreatic duct 
C) Cystic duct 
D) Bile duct 
E) Hepatic duct 
A) Pancreatic duct 
B) Hepatopancreatic duct 
C) Cystic duct 
D) Bile duct 
E) Hepatic duct

Question 14

This is the area where pyloric stenosis occurs.

Accepted Answer

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

Question 15

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 16

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 17

Which portion of the peritoneum is largely responsible for carrying blood and lymph vessels to the intestines?

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 18

Which layer contains the lamina propria?

Accepted Answer

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

Question 19

Which layer of the gastrointestinal tract is composed of areolar connective tissue and epithelium?

Accepted Answer

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

Question 20

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

Exam 24: The Digestive System

Which of the following is a contribution of the digestive system to the muscular system?

Which plexus is located between the longitudinal and circular smooth muscle layers of the muscularis?

Which of the following is NOT a primary function of the large intestine?

What is line F pointing to?

Which structure secretes alkaline fluid to buffer stomach acid?

Which the portion of the stomach connects to the duodenum?

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

The enzyme,produced in the organ labeled C,that leads to the production of fatty acids and monoglycerides during digestion is called:

In the mouth,the tooth sockets are lined with

Which of the following cells secretes gastrin?

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

Describe the role of the liver in protein metabolism.

Which major duct carries a fluid rich in bicarbonate ions?

This is the area where pyloric stenosis occurs.

Name the layer labeled A

Which of the following is the principle bile pigment?

Which portion of the peritoneum is largely responsible for carrying blood and lymph vessels to the intestines?

Which layer contains the lamina propria?

Which layer of the gastrointestinal tract is composed of areolar connective tissue and epithelium?

What does line G point to?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

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

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System and Immunity

The Respiratory System

Metabolism and Nutrition

The Urinary System

Fluid, Electrolyte, and Acidbase Homeostasis

The Reproductive Systems

Development and Inheritance

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