Question 1

In comparison to a low-density lipoprotein (LDL) , a high density lipoprotein (HDL)  contains ________.

Accepted Answer

A)   less lipid
B)   less protein
C)   more cholesterol
D)   more carbohydrate
E)   more amino acidsF) B) and E)
G) B) and D)

Question 2

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 disaccharidesF) A) and E)
G) A) and D)

Question 3

Which of the following is an accessory organ of the digestive tract?

Accepted Answer

A)   Pharynx
B)   Stomach
C)   Liver
D)   Large intestineE) All of the above
F) A) and C)

Question 4

Bile secretion is

Accepted Answer

A)   performed continuously by the liver.
B)   is stimulated by sympathetic nerves.
C)   is stimulated by decreased amounts of bile salts.
D)   stimulated by increased vitamin B12 storage.
E)   controlled by the gallbladder.F) A) and B)
G) C) and D)

Question 5

Teeth in adults

Accepted Answer

A)   are replaced by osteoblast activity if they are extracted.
B)   are distributed so that there is one canine tooth in each half jaw.
C)   are all of the same type-molars.
D)   are composed of living cells called enamel cells.
E)   do not play a role in speech.F) None of the above
G) D) and E)

Question 6

Which of the following organs is retroperitoneal?

Accepted Answer

A)   Pancreas
B)   Ascending colon
C)   Duodenum
D)   Descending colon
E)   All of the choices are correct.F) A) and E)
G) B) and D)

Question 7

Abdominal organs that lie against the body wall and have no mesenteries are said to be ________.

Accepted Answer

A)   retroperitoneal
B)   antiperitoneal
C)   falciperitoneal
D)   hyperperitoneal
E)   mesoperitonealF) A) and B)
G) B) and D)

Question 8

Which of the following is associated with the tongue?

Accepted Answer

A)   Uvula
B)   Constrictor muscles
C)   Papillae and taste buds
D)   Periodontal ligament
E)   FaucesF) B) and E)
G) A) and B)

Question 9

The enzyme(s)  called ________ break(s)  down the substrate called ________.

Accepted Answer

A)   lactase; glucose
B)   peptidases; proteins
C)   lipases; micelles
D)   lactose; lactase
E)   nucleases; nucleotidesF) A) and C)
G) C) and E)

Question 10

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

Accepted Answer

A)   Colon
B)   Liver
C)   Pancreas
D)   Gallbladder
E)   SpleenF) A) and C)
G) B) and C)

Question 11

The portion of the digestive tract that receives food directly from the oral cavity is the ________.

Accepted Answer

A)   nasopharynx
B)   oropharynx
C)   laryngopharynx
D)   esophagus
E)   larynxF) A) and B)
G) All of the above

Question 12

The digestive functions performed by saliva and salivary amylase respectively are ________.

Accepted Answer

A)   flushing and protein digestion
B)   swallowing and lipid digestion
C)   peristalsis and polysaccharide digestion
D)   moistening and starch digestion
E)   None of the choices are correct.F) A) and E)
G) A) and D)

Question 13

Which of the following are secreted by the stomach?

Accepted Answer

A)   Amylase and lipase
B)   Pepsinogen and intrinsic factor
C)   Bile and lipase
D)   Trypsin and amylase
E)   Bicarbonate and secretinF) A) and B)
G) B) and E)

Question 14

The muscularis layer in the wall of the digestive tract is

Accepted Answer

A)   skeletal muscle throughout the tract, especially in the large intestine.
B)   the layer of the digestive tract wall that contains capillaries.
C)   in direct contact with the food that is consumed.
D)   composed of a layer of circular smooth muscle fibers and a layer of longitudinal smooth muscle fibers.
E)   connective tissue and the peritoneum.F) C) and D)
G) A) and B)

Question 15

The gallbladder ________.

Accepted Answer

A)   produces bile
B)   is attached to the pancreas
C)   stores bile
D)   produces secretin
E)   breaks down red blood cellsF) A) and B)
G) A) and C)

Question 16

The hepatopancreatic ampulla is formed by the union of the

Accepted Answer

A)   pancreatic duct with the lacteals.
B)   greater duodenal papilla with the lesser duodenal papilla.
C)   common bile duct and pancreatic duct.
D)   cystic duct and interlobular duct.
E)   hepatic ducts and cystic ducts.F) B) and C)
G) A) and B)

Question 17

Match the secretion with the correct cell type.
-Gastrin

Accepted Answer

A)  Endocrine cells
B)  Hepatocyte
C)  Parietal cells
D)  Acinar cells
E)  Goblet cellsF) B) and E)
G) A) and C)

Question 18

A mixing contraction in the small intestine is called ________.

Accepted Answer

A)   peristalsis
B)   segmental contraction
C)   deglutition
D)   mass movementE) B) and C)
F) None of the above

Question 19

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

Accepted Answer

A)   Storage
B)   Protein digestion
C)   Absorption of aspirin
D)   Segmental contractionsE) A) and B)
F) C) and D)

Question 20

The villi, microvilli, and plicae circularis function to

Accepted Answer

A)   liberate hormones.
B)   promote peristalsis.
C)   produce bile.
D)   increase surface area for absorption.
E)   stimulate chemical digestion.F) A) and B)
G) A) and D)

Exam 24: Digestive System

The muscularis layer in the wall of the digestive tract is

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The enzyme(s) called ________ break(s) down the substrate called ________.

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

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

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Which of the following is an accessory organ of the digestive tract?

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Bile secretion is

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The gallbladder ________.

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The portion of the digestive tract that receives food directly from the oral cavity is the ________.

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In comparison to a low-density lipoprotein (LDL) , a high density lipoprotein (HDL) contains ________.

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

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Which of the following organs is retroperitoneal?

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Match the secretion with the correct cell type. -Gastrin

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Abdominal organs that lie against the body wall and have no mesenteries are said to be ________.

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Teeth in adults

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Which of the following is associated with the tongue?

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The digestive functions performed by saliva and salivary amylase respectively are ________.

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A mixing contraction in the small intestine is called ________.

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The hepatopancreatic ampulla is formed by the union of the

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The villi, microvilli, and plicae circularis function to

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Which of the following are secreted by the stomach?

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The enzyme(s) called break(s) down the substrate called .

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