Question 1

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 2

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

Accepted Answer

A) pharynx 
B) stomach 
C) liver 
D) large intestine 
A) pharynx 
B) stomach 
C) liver 
D) large intestine

Question 3

A cell needs a receptor in order to absorb LDL's.A disease that interferes with the functioning of these LDL receptors would

Accepted Answer

A) increase serum cholesterol levels. 
B) decrease serum cholesterol levels. 
C) halt endocytosis. 
D) promote endocytosis. 
E) have no effect on serum cholesterol or endocytosis. 
A) increase serum cholesterol levels. 
B) decrease serum cholesterol levels. 
C) halt endocytosis. 
D) promote endocytosis. 
E) have no effect on serum cholesterol or endocytosis.

Question 4

Match the mesenteries or membranes with its appropriate description.
-transverse mesocolon

Accepted Answer

A) mesentery of the small intestine 
B) serous membrane that covers organs 
C) attaches the liver to the diaphragm 
D) connects lesser curvature of stomach to the liver 
E) mesentery of the colon 
A) mesentery of the small intestine 
B) serous membrane that covers organs 
C) attaches the liver to the diaphragm 
D) connects lesser curvature of stomach to the liver 
E) mesentery of the colon

Question 5

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.

Question 6

Bile is produced by cells of the

Accepted Answer

A) duodenum. 
B) liver. 
C) gallbladder. 
D) pancreas. 
E) hepatopancreatic ampulla. 
A) duodenum. 
B) liver. 
C) gallbladder. 
D) pancreas. 
E) hepatopancreatic ampulla.

Question 7

Match the disorder with the best description.
-GERD

Accepted Answer

A) inflammation of the liver 
B) watery feces 
C) bad breath 
D) enlargement or inflammation of the vein of the anal canal 
E) chronic acid in the esophagus
, 
A) inflammation of the liver 
B) watery feces 
C) bad breath 
D) enlargement or inflammation of the vein of the anal canal 
E) chronic acid in the esophagus
,

Question 8

The hepatic sinusoids

Accepted Answer

A) transport bile. 
B) have phagocytic cells in their lining. 
C) are part of the portal triad. 
D) connect to the gallbladder. 
E) do not have a function. 
A) transport bile. 
B) have phagocytic cells in their lining. 
C) are part of the portal triad. 
D) connect to the gallbladder. 
E) do not have a function.

Question 9

The movement of food through the digestive tract is

Accepted Answer

A) segmentation. 
B) propulsion. 
C) mixing. 
D) mastication. 
A) segmentation. 
B) propulsion. 
C) mixing. 
D) mastication.

Question 10

LDL's are taken into a cell by the process of

Accepted Answer

A) simple diffusion. 
B) osmosis. 
C) receptor mediated endocytosis. 
D) HDL carrier molecules. 
E) facilitated diffusion. 
A) simple diffusion. 
B) osmosis. 
C) receptor mediated endocytosis. 
D) HDL carrier molecules. 
E) facilitated diffusion.

Question 11

Match the cell type with its function.
-absorptive 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

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 13

The abdominal cavity is lined with

Accepted Answer

A) the omental bursa. 
B) mesenteries. 
C) the greater omentum. 
D) parietal peritoneum. 
E) superficial fascia. 
A) the omental bursa. 
B) mesenteries. 
C) the greater omentum. 
D) parietal peritoneum. 
E) superficial fascia.

Question 14

Which of the following organs is retroperitoneal?

Accepted Answer

A) pancreas 
B) ascending colon 
C) duodenum 
D) descending colon 
E) All of these organs are retroperitoneal 
A) pancreas 
B) ascending colon 
C) duodenum 
D) descending colon 
E) All of these organs are retroperitoneal

Question 15

An organ is described as follows: cords of cells radiating outward from a central vein with sinusoids between the cords of cells.The organ having this histological structure is the

Accepted Answer

A) pancreas. 
B) spleen. 
C) liver. 
D) stomach. 
E) gall bladder. 
A) pancreas. 
B) spleen. 
C) liver. 
D) stomach. 
E) gall bladder.

Question 16

Which of the following pairs is mismatched?

Accepted Answer

A) crown - enamel 
B) root - root canal 
C) alveoli - periodontal ligament 
D) pulp cavity - cementum 
E) apical foramen - blood supply 
A) crown - enamel 
B) root - root canal 
C) alveoli - periodontal ligament 
D) pulp cavity - cementum 
E) apical foramen - blood supply

Question 17

The gallbladder contracts in response to the hormone

Accepted Answer

A) secretin. 
B) cholecystokinin. 
C) gastrin. 
D) somatostatin. 
E) insulin. 
A) secretin. 
B) cholecystokinin. 
C) gastrin. 
D) somatostatin. 
E) insulin.

Question 18

Which of the following represents a mismatch in stomach wall structure?

Accepted Answer

A) muscularis - two layers; both circular 
B) rugae - folds of mucosa and submucosa 
C) mucosa - gastric glands 
D) gastric pits - open onto surface of stomach mucosa 
E) lining - simple columnar epithelium 
A) muscularis - two layers; both circular 
B) rugae - folds of mucosa and submucosa 
C) mucosa - gastric glands 
D) gastric pits - open onto surface of stomach mucosa 
E) lining - simple columnar epithelium

Question 19

Which of the following is an end product of protein digestion?

Accepted Answer

A) glucose 
B) amino acids 
C) LDL molecules 
D) micelles 
E) nucleic acids 
A) glucose 
B) amino acids 
C) LDL molecules 
D) micelles 
E) nucleic acids

Question 20

What is the role of serotonin in the digestive tract?

Accepted Answer

A) decreased nausea 
B) stimulates motility 
C) hormone release 
D) inhibits motility 
A) decreased nausea 
B) stimulates motility 
C) hormone release 
D) inhibits motility

Exam 24: Digestive System

When intestinal chyme is highly concentrated,

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

A cell needs a receptor in order to absorb LDL's.A disease that interferes with the functioning of these LDL receptors would

Match the mesenteries or membranes with its appropriate description. -transverse mesocolon

The oral cavity

Bile is produced by cells of the

Match the disorder with the best description. -GERD

The hepatic sinusoids

The movement of food through the digestive tract is

LDL's are taken into a cell by the process of

Match the cell type with its function. -absorptive cells

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

The abdominal cavity is lined with

Which of the following organs is retroperitoneal?

An organ is described as follows: cords of cells radiating outward from a central vein with sinusoids between the cords of cells.The organ having this histological structure is the

Which of the following pairs is mismatched?

The gallbladder contracts in response to the hormone

Which of the following represents a mismatch in stomach wall structure?

Which of the following is an end product of protein digestion?

What is the role of serotonin in the digestive tract?

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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