Question 1

The oral cavity

Accepted Answer

A)  opens into the nasopharynx. 
B)  directly connects with the esophagus. 
C)  contains the parotid salivary glands. 
D)  has boundaries that include the lips, palate and cheeks. 
E)  is lined with cuboidal epithelium. 
A)  opens into the nasopharynx. 
B)  directly connects with the esophagus. 
C)  contains the parotid salivary glands. 
D)  has boundaries that include the lips, palate and cheeks. 
E)  is lined with cuboidal epithelium. D

Question 2

A mixing contraction in the small intestine is called

Accepted Answer

A)  peristalsis. 
B)  segmental contraction. 
C)  deglutition. 
D)  mass movement. 
A)  peristalsis. 
B)  segmental contraction. 
C)  deglutition. 
D)  mass movement. B

Question 3

What connects the gallbladder to the common bile duct?

Accepted Answer

A)  hepatic duct 
B)  gallbladder duct 
C)  cystic duct 
D)  portal duct 
A)  hepatic duct 
B)  gallbladder duct 
C)  cystic duct 
D)  portal duct C

Question 4

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 5

The salivary glands that open into the oral cavity beside the frenulum of the tongue are the

Accepted Answer

A)  parotid glands. 
B)  sublingual glands. 
C)  submandibular glands. 
D)  labial glands. 
E)  lacrimal glands. 
A)  parotid glands. 
B)  sublingual glands. 
C)  submandibular glands. 
D)  labial glands. 
E)  lacrimal glands.

Question 6

Most nutrient absorption occurs in the

Accepted Answer

A)  stomach and esophagus. 
B)  duodenum and jejunum. 
C)  ascending colon and cecum. 
D)  pancreatic duct and gall bladder. 
E)  ileum and transverse colon. 
A)  stomach and esophagus. 
B)  duodenum and jejunum. 
C)  ascending colon and cecum. 
D)  pancreatic duct and gall bladder. 
E)  ileum and transverse colon.

Question 7

Which of the following would inhibit both gastric secretion and gastric motility?

Accepted Answer

A)  vagal stimulation 
B)  chewing and swallowing food 
C)  cholecystokinin (CCK) 
D)  gastrin 
E)  large amounts of fiber in the diet 
A)  vagal stimulation 
B)  chewing and swallowing food 
C)  cholecystokinin (CCK) 
D)  gastrin 
E)  large amounts of fiber in the diet

Question 8

What is the function of the intrinsic muscles of the tongue?

Accepted Answer

A)  sticking the tongue out 
B)  moving the tongue side to side 
C)  changing the tongue shape during swallowing 
D)  retracting the tongue 
A)  sticking the tongue out 
B)  moving the tongue side to side 
C)  changing the tongue shape during swallowing 
D)  retracting the tongue

Question 9

-What does "D" represent on the diagram?

Accepted Answer

A)  small intestine 
B)  large intestine 
C)  esophagus 
D)  stomach 
E)  liver 
A)  small intestine 
B)  large intestine 
C)  esophagus 
D)  stomach 
E)  liver

Question 10

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

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

The major stimulus for the release of cholecystokinin is the presence of ______ in the intestine.

Accepted Answer

A)  bile 
B)  pancreatic juice 
C)  fatty acids and other lipids 
D)  sugars 
E)  proteins 
A)  bile 
B)  pancreatic juice 
C)  fatty acids and other lipids 
D)  sugars 
E)  proteins

Question 12

What muscle forms the cheeks?

Accepted Answer

A)  buccinator muscle 
B)  orbicularis oculi muscle 
C)  orbicularis oris 
D)  zygomaticus muscles 
A)  buccinator muscle 
B)  orbicularis oculi muscle 
C)  orbicularis oris 
D)  zygomaticus muscles

Question 13

-The figure illustrates bile drainage. What does "C" represent?

Accepted Answer

A)  hepatopancreatic ampulla 
B)  pancreatic duct 
C)  common hepatic duct 
D)  common bile duct 
E)  cystic duct 
A)  hepatopancreatic ampulla 
B)  pancreatic duct 
C)  common hepatic duct 
D)  common bile duct 
E)  cystic duct

Question 14

Match the function with its appropriate description.
-elimination

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

Question 15

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 16

When intestinal chyme is highly concentrated,

Accepted Answer

A)  water moves by osmosis into the lumen of the small intestine. 
B)  water moves by osmosis from the intestinal lumen into the blood. 
C)  water moves by endocytosis from intestinal lumen into interstitial spaces. 
D)  water moves by exocytosis from interstitial spaces into the stomach. 
E)  water does not move. 
A)  water moves by osmosis into the lumen of the small intestine. 
B)  water moves by osmosis from the intestinal lumen into the blood. 
C)  water moves by endocytosis from intestinal lumen into interstitial spaces. 
D)  water moves by exocytosis from interstitial spaces into the stomach. 
E)  water does not move.

Question 17

Which layer of the digestive tract is in direct contact with the food consumed?

Accepted Answer

A)  mucosa 
B)  muscularis 
C)  submucosa 
D)  serosa 
E)  peritoneum 
A)  mucosa 
B)  muscularis 
C)  submucosa 
D)  serosa 
E)  peritoneum

Question 18

Chylomicrons

Accepted Answer

A)  are synthesized in intestinal epithelial cells. 
B)  enter capillaries in the small intestine. 
C)  help emulsify fats. 
D)  are a rich source of carbohydrate. 
E)  are synthesized in the lumen of the small intestines. 
A)  are synthesized in intestinal epithelial cells. 
B)  enter capillaries in the small intestine. 
C)  help emulsify fats. 
D)  are a rich source of carbohydrate. 
E)  are synthesized in the lumen of the small intestines.

Question 19

Which of the following lipoproteins contains the highest percentage of cholesterol?

Accepted Answer

A)  LDL 
B)  HDL 
C)  VLDL 
D)  chylomicron 
E)  CDL 
A)  LDL 
B)  HDL 
C)  VLDL 
D)  chylomicron 
E)  CDL

Question 20

What portion of the small intestine is most distal from the pylorus of the stomach?

Accepted Answer

A)  jejunum 
B)  duodenum 
C)  ileum 
D)  common bile duct 
E)  hepatopancreatic ampulla 
A)  jejunum 
B)  duodenum 
C)  ileum 
D)  common bile duct 
E)  hepatopancreatic ampulla

Exam 24: Digestive System

The oral cavity

A mixing contraction in the small intestine is called

What connects the gallbladder to the common bile duct?

Saliva

The salivary glands that open into the oral cavity beside the frenulum of the tongue are the

Most nutrient absorption occurs in the

Which of the following would inhibit both gastric secretion and gastric motility?

What is the function of the intrinsic muscles of the tongue?

-What does "D" represent on the diagram?

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

The major stimulus for the release of cholecystokinin is the presence of ______ in the intestine.

What muscle forms the cheeks?

-The figure illustrates bile drainage. What does "C" represent?

Match the function with its appropriate description. -elimination

What muscle forms the lips?

When intestinal chyme is highly concentrated,

Which layer of the digestive tract is in direct contact with the food consumed?

Chylomicrons

Which of the following lipoproteins contains the highest percentage of cholesterol?

What portion of the small intestine is most distal from the pylorus of the stomach?

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, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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