Question 1

Which of the following is located closest to the rectum?

Accepted Answer

A)  ascending colon 
B)  descending colon 
C)  transverse colon 
D)  sigmoid colon 
E)  cecum 
A)  ascending colon 
B)  descending colon 
C)  transverse colon 
D)  sigmoid colon 
E)  cecum

Question 2

-What does "E" 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 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

Where is the uvula located?

Accepted Answer

A)  on the hard palate 
B)  hanging in the fauces 
C)  lateral walls of the fauces 
D)  under the tongue 
A)  on the hard palate 
B)  hanging in the fauces 
C)  lateral walls of the fauces 
D)  under the tongue

Question 5

Which of the following statements regarding swallowing is true?

Accepted Answer

A)  The voluntary phase begins in the pharynx. 
B)  In the pharyngeal phase, food is moved through the pharynx. 
C)  The uvula rises during the esophageal phase. 
D)  Peristalsis occurs in all phases of swallowing. 
E)  Breathing occurs during swallowing. 
A)  The voluntary phase begins in the pharynx. 
B)  In the pharyngeal phase, food is moved through the pharynx. 
C)  The uvula rises during the esophageal phase. 
D)  Peristalsis occurs in all phases of swallowing. 
E)  Breathing occurs during swallowing.

Question 6

Which of the following statements concerning cholecystokinin is correct?

Accepted Answer

A)  Cholecystokinin stimulates relaxation of the gallbladder. 
B)  Cholecystokinin stimulates secretion of mucus by the gastric glands. 
C)  Cholecystokinin stimulates the pancreas to release an enzyme-rich solution. 
D)  Cholecystokinin stimulates the intestine to secrete trypsin. 
E)  Cholecystokinin stimulates gastric secretions. 
A)  Cholecystokinin stimulates relaxation of the gallbladder. 
B)  Cholecystokinin stimulates secretion of mucus by the gastric glands. 
C)  Cholecystokinin stimulates the pancreas to release an enzyme-rich solution. 
D)  Cholecystokinin stimulates the intestine to secrete trypsin. 
E)  Cholecystokinin stimulates gastric secretions.

Question 7

Bile

Accepted Answer

A)  digests proteins in the small intestine. 
B)  emulsifies fats in the small intestine. 
C)  is made by the gallbladder and stored by the liver. 
D)  activates trypsin in the small intestine. 
E)  activates the pancreas. 
A)  digests proteins in the small intestine. 
B)  emulsifies fats in the small intestine. 
C)  is made by the gallbladder and stored by the liver. 
D)  activates trypsin in the small intestine. 
E)  activates the pancreas.

Question 8

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 acids. 
A)  less lipid. 
B)  less protein. 
C)  more cholesterol. 
D)  more carbohydrate. 
E)  more amino acids.

Question 9

Which of the following events occurs because of the low pH of the stomach?

Accepted Answer

A)  activation of salivary amylase 
B)  enhanced carbohydrate digestion 
C)  proper environment for functioning of pepsin 
D)  protein synthesis 
E)  lipid digestion 
A)  activation of salivary amylase 
B)  enhanced carbohydrate digestion 
C)  proper environment for functioning of pepsin 
D)  protein synthesis 
E)  lipid digestion

Question 10

Inability of the pyloric sphincter to open would prevent

Accepted Answer

A)  food from entering the stomach. 
B)  stomach acid from being released. 
C)  digestive enzymes from being released. 
D)  food from entering the small intestine. 
E)  the making of chyme. 
A)  food from entering the stomach. 
B)  stomach acid from being released. 
C)  digestive enzymes from being released. 
D)  food from entering the small intestine. 
E)  the making of chyme.

Question 11

Gastritis, peptic ulcers and gastric cancer can all be caused by

Accepted Answer

A)  Helicobacter pylori, a bacterium. 
B)  increased secretion of gastric bicarbonate. 
C)  pH of the stomach contents continuously greater than 4. 
D)  increased mucus production by the neck cells. 
E)  None of these choices is correct. 
A)  Helicobacter pylori, a bacterium. 
B)  increased secretion of gastric bicarbonate. 
C)  pH of the stomach contents continuously greater than 4. 
D)  increased mucus production by the neck cells. 
E)  None of these choices is correct.

Question 12

How does the muscularis layer of the esophagus differ from the rest of the digestive tract?

Accepted Answer

A)  it is all skeletal muscle 
B)  the superior part is skeletal muscle 
C)  the inferior part is skeletal muscle 
D)  it has alternating smooth and skeletal muscle sections 
A)  it is all skeletal muscle 
B)  the superior part is skeletal muscle 
C)  the inferior part is skeletal muscle 
D)  it has alternating smooth and skeletal muscle sections

Question 13

Serum cholesterol levels are solely dependent on a person's dietary intake of cholesterol.

Accepted Answer

A) True 
 B)False

Question 14

Small droplets of digested lipids surrounded by bile salts are called

Accepted Answer

A)  chylomicrons. 
B)  micelles. 
C)  monoglycerides. 
D)  diglycerides. 
E)  lacteals. 
A)  chylomicrons. 
B)  micelles. 
C)  monoglycerides. 
D)  diglycerides. 
E)  lacteals.

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 cells. 
A)  produces bile. 
B)  is attached to the pancreas. 
C)  stores bile. 
D)  produces secretin. 
E)  breaks down red blood cells.

Question 16

Use the key to choose the best answer.
-(1) number of villi in small intestine;
(2) number of villi in large intestine

Accepted Answer

A) Choose this if the first item is greater than the second item. 
B) Choose this if the first item is less than the second item. 
C) Choose this if the first item is equal or nearly equal to the second item. 
A) Choose this if the first item is greater than the second item. 
B) Choose this if the first item is less than the second item. 
C) Choose this if the first item is equal or nearly equal to the second item.

Question 17

Bile would flow directly from the

Accepted Answer

A)  gallbladder into the hepatic duct. 
B)  hepatic ducts into the common hepatic duct. 
C)  bile canaliculus into the cystic duct. 
D)  common bile duct into the gallbladder. 
E)  cystic duct into the hepatic ducts. 
A)  gallbladder into the hepatic duct. 
B)  hepatic ducts into the common hepatic duct. 
C)  bile canaliculus into the cystic duct. 
D)  common bile duct into the gallbladder. 
E)  cystic duct into the hepatic ducts.

Question 18

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

Question 19

Match the disorder with the best description.
-halitosis

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 20

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

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

Exam 24: Digestive System

Which of the following is located closest to the rectum?

-What does "E" represent on the diagram?

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

Where is the uvula located?

Which of the following statements regarding swallowing is true?

Which of the following statements concerning cholecystokinin is correct?

Bile

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

Which of the following events occurs because of the low pH of the stomach?

Inability of the pyloric sphincter to open would prevent

Gastritis, peptic ulcers and gastric cancer can all be caused by

How does the muscularis layer of the esophagus differ from the rest of the digestive tract?

Serum cholesterol levels are solely dependent on a person's dietary intake of cholesterol.

Small droplets of digested lipids surrounded by bile salts are called

The gallbladder

Use the key to choose the best answer. -(1) number of villi in small intestine; (2) number of villi in large intestine

Bile would flow directly from the

Match the function with its appropriate description. -peristalsis

Match the disorder with the best description. -halitosis

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

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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