Question 1

What is the purpose of segmental contractions of the small intestine?

Accepted Answer

A) propelling the chyme forward 
B) mixing of intestinal contents 
C) moving intestinal contents into the colon 
D) stretching the intestinal wall 
A) propelling the chyme forward 
B) mixing of intestinal contents 
C) moving intestinal contents into the colon 
D) stretching the intestinal wall

Question 2

Which of the following structures has both endocrine and exocrine tissue?

Accepted Answer

A) colon 
B) liver 
C) pancreas 
D) gallbladder 
E) spleen 
A) colon 
B) liver 
C) pancreas 
D) gallbladder 
E) spleen

Question 3

What muscle forms the lips?

Accepted Answer

A) buccinator muscle 
B) orbicularis oculi muscle 
C) orbicularis oris muscle 
D) labial frenulum muscle 
A) buccinator muscle 
B) orbicularis oculi muscle 
C) orbicularis oris muscle 
D) labial frenulum muscle

Question 4

What is the function of the gallbladder?

Accepted Answer

A) produce bile 
B) store bicarbonate 
C) add pigment to bile 
D) store and concentrate bile 
A) produce bile 
B) store bicarbonate 
C) add pigment to bile 
D) store and concentrate bile

Question 5

The enteric nervous system acts independently of the CNS to control local reflexes in the digestive tract.

Accepted Answer

A) True 
 B)False

Question 6

Enzymes secreted by the small intestine include

Accepted Answer

A) disaccharidases. 
B) secretin. 
C) cholecystokinin. 
D) bile. 
E) histamine. 
A) disaccharidases. 
B) secretin. 
C) cholecystokinin. 
D) bile. 
E) histamine.

Question 7

Match the enzyme with the products of its digestive activity.
-carboxypeptidase

Accepted Answer

A) glucose and galactose 
B) amino acids 
C) fatty acids and glycerol 
D) maltose and isomaltose 
E) polysaccharides and disaccharides 
A) glucose and galactose 
B) amino acids 
C) fatty acids and glycerol 
D) maltose and isomaltose 
E) polysaccharides and disaccharides

Question 8

Arrange the following events in the correct order: (1)absorption of lipids
(2)emulsification
(3)micelle formation
(4)digestion of lipids

Accepted Answer

A) 1,2,3,4 
B) 3,4,2,1 
C) 4,1,2,3 
D) 2,4,1,3 
E) 2,4,3,1 
A) 1,2,3,4 
B) 3,4,2,1 
C) 4,1,2,3 
D) 2,4,1,3 
E) 2,4,3,1

Question 9

The ____ helps hold a tooth in its socket.

Accepted Answer

A) crown 
B) cementum 
C) periodontal ligament 
D) dental arch 
E) alveoli 
A) crown 
B) cementum 
C) periodontal ligament 
D) dental arch 
E) alveoli

Question 10

Match the enzyme or hormone with the organ that produces it.
-disaccharidase

Accepted Answer

A) salivary glands 
B) stomach 
C) liver 
D) small intestine 
E) pancreas 
A) salivary glands 
B) stomach 
C) liver 
D) small intestine 
E) pancreas

Question 11

Match the cell type with its function.
-endocrine cells

Accepted Answer

A) produce hormones 
B) produce mucus 
C) may protect intestinal epithelium 
D) synthesize bile 
E) produce digestive enzymes
, 
A) produce hormones 
B) produce mucus 
C) may protect intestinal epithelium 
D) synthesize bile 
E) produce digestive enzymes
,

Question 12

Which part of the pharynx is NOT involved with food transport?

Accepted Answer

A) nasopharynx 
B) oropharynx 
C) laryngopharynx 
D) All the the choices are involved with food transport 
A) nasopharynx 
B) oropharynx 
C) laryngopharynx 
D) All the the choices are involved with food transport

Question 13

The major types of enteric neurons include all of the following,except ______________.

Accepted Answer

A) neurons that detect changes in chemical composition 
B) neurons that stimulate or inhibit smooth muscle contractions 
C) neurons that connect sensory and motor neurons 
D) neurons that suppress epithelial secretions 
A) neurons that detect changes in chemical composition 
B) neurons that stimulate or inhibit smooth muscle contractions 
C) neurons that connect sensory and motor neurons 
D) neurons that suppress epithelial secretions

Question 14

Which of the following occurs in the large intestine?

Accepted Answer

A) chemical digestion 
B) mass movements 
C) mastication 
D) mixing waves 
E) neutralization 
A) chemical digestion 
B) mass movements 
C) mastication 
D) mixing waves 
E) neutralization

Question 15

Saliva

Accepted Answer

A) is produced only when there is food in the mouth. 
B) increases ulceration in the mouth. 
C) is responsible for peristalsis in the mouth. 
D) moistens food and begins starch digestion in the mouth. 
E) does not prevent bacterial infection in the mouth. 
A) is produced only when there is food in the mouth. 
B) increases ulceration in the mouth. 
C) is responsible for peristalsis in the mouth. 
D) moistens food and begins starch digestion in the mouth. 
E) does not prevent bacterial infection in the mouth.

Question 16

Arrange the following in proper sequence: (1)digestion
(2)elimination
(3)ingestion
(4)absorption

Accepted Answer

A) 3,4,2,1 
B) 1,4,3,2 
C) 4,1,2,3 
D) 3,4,1,2 
E) 3,1,4,2 
A) 3,4,2,1 
B) 1,4,3,2 
C) 4,1,2,3 
D) 3,4,1,2 
E) 3,1,4,2

Question 17

Match the process or term with the best description.
-chyme

Accepted Answer

A) swallowing 
B) chewing 
C) ball of food 
D) semifluid material 
E) phagocytosis
, 
A) swallowing 
B) chewing 
C) ball of food 
D) semifluid material 
E) phagocytosis
,

Question 18

Emulsification

Accepted Answer

A) converts small lipid droplets into larger droplets. 
B) occurs in the gallbladder. 
C) chemically digests lipids. 
D) increases surface area for lipid digestion. 
E) involves enzymes. 
A) converts small lipid droplets into larger droplets. 
B) occurs in the gallbladder. 
C) chemically digests lipids. 
D) increases surface area for lipid digestion. 
E) involves enzymes.

Question 19

In order to remove a tumor in the muscular tunic of the stomach,a surgeon must cut through the

Accepted Answer

A) lamina propria 
B) submucosa. 
C) serosa. 
D) mucosa. 
E) lamina propria. 
A) lamina propria 
B) submucosa. 
C) serosa. 
D) mucosa. 
E) lamina propria.

Question 20

Match the function with its appropriate description.
-peristalsis

Accepted Answer

A) movement of molecules from digestive tract into blood 
B) chewing of food 
C) muscular contractions that propel food 
D) removal of undigested wastes from body 
E) breakdown of organic molecules with digestive enzymes 
A) movement of molecules from digestive tract into blood 
B) chewing of food 
C) muscular contractions that propel food 
D) removal of undigested wastes from body 
E) breakdown of organic molecules with digestive enzymes

Exam 24: Digestive System

What is the purpose of segmental contractions of the small intestine?

Which of the following structures has both endocrine and exocrine tissue?

What muscle forms the lips?

What is the function of the gallbladder?

The enteric nervous system acts independently of the CNS to control local reflexes in the digestive tract.

Enzymes secreted by the small intestine include

Match the enzyme with the products of its digestive activity. -carboxypeptidase

Arrange the following events in the correct order: (1)absorption of lipids (2)emulsification (3)micelle formation (4)digestion of lipids

The ____ helps hold a tooth in its socket.

Match the enzyme or hormone with the organ that produces it. -disaccharidase

Match the cell type with its function. -endocrine cells

Which part of the pharynx is NOT involved with food transport?

The major types of enteric neurons include all of the following,except ______________.

Which of the following occurs in the large intestine?

Saliva

Arrange the following in proper sequence: (1)digestion (2)elimination (3)ingestion (4)absorption

Match the process or term with the best description. -chyme

Emulsification

In order to remove a tumor in the muscular tunic of the stomach,a surgeon must cut through the

Match the function with its appropriate description. -peristalsis

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

Development,growth,aging,and Genetics

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