Question 1

Select the best explanation for why protease enzymes are secreted in inactive forms.

Accepted Answer

A)  Inactive enzymes will simply be expelled with the feces if no protein is present in the digesting food, this will help to conserve energy. 
B)  The immunoglobulins protecting the digestive tract would be digested without proper regulation of protein digesting enzymes. 
C)  The enzymes would digest each other if they were not properly regulated. 
D)  The cells producing inactive enzymes are themselves protected from the enzymes until they are safely within the lumen of the GI tract. 
A)  Inactive enzymes will simply be expelled with the feces if no protein is present in the digesting food, this will help to conserve energy. 
B)  The immunoglobulins protecting the digestive tract would be digested without proper regulation of protein digesting enzymes. 
C)  The enzymes would digest each other if they were not properly regulated. 
D)  The cells producing inactive enzymes are themselves protected from the enzymes until they are safely within the lumen of the GI tract.

Question 2

Which of the following are types of papillae on the tongue that contain taste buds?

Accepted Answer

A)  palatine and circumvallate 
B)  fungiform, circumvallate, and filiform 
C)  circumvallate and filiform 
D)  fungiform and circumvallate 
A)  palatine and circumvallate 
B)  fungiform, circumvallate, and filiform 
C)  circumvallate and filiform 
D)  fungiform and circumvallate

Question 3

Which of these is not part of the splanchnic circulation?

Accepted Answer

A)  hepatic portal vein 
B)  superior mesenteric artery 
C)  celiac artery 
D)  inferior vena cava 
A)  hepatic portal vein 
B)  superior mesenteric artery 
C)  celiac artery 
D)  inferior vena cava

Question 4

Figure 23.3
Using Figure 23.3, match the following:
-Produces intrinsic factor.

Accepted Answer

A) C 
B) D 
C) B 
D) A 
E) E 
A) C 
B) D 
C) B 
D) A 
E) E

Question 5

Which of the following enzymes would be most active in the presents of a high concentrations of protein fragments?

Accepted Answer

A)  lipase 
B)  trypsin 
C)  amylase 
D)  dextrinase 
A)  lipase 
B)  trypsin 
C)  amylase 
D)  dextrinase

Question 6

The capillaries that nourish the epithelium and absorb digested nutrients lie in the ________.

Accepted Answer

A)  adventitia 
B)  lamina propria 
C)  submucosa 
D)  serosa 
A)  adventitia 
B)  lamina propria 
C)  submucosa 
D)  serosa

Question 7

The bolus is liquefied in the ________ and it is now called chyme.

Accepted Answer

A)  esophagus 
B)  stomach 
C)  small intestine 
D)  mouth 
A)  esophagus 
B)  stomach 
C)  small intestine 
D)  mouth

Question 8

The solutes contained in saliva include ________.

Accepted Answer

A)  mucin, lysozyme, electrolytes, salts, and minerals 
B)  only proteases and amylase 
C)  electrolytes, digestive enzyme, mucin, lysozyme, wastes, and IgA 
D)  only salts and minerals 
A)  mucin, lysozyme, electrolytes, salts, and minerals 
B)  only proteases and amylase 
C)  electrolytes, digestive enzyme, mucin, lysozyme, wastes, and IgA 
D)  only salts and minerals

Question 9

Match the following:
-Enzymatic breakdown of any type of food molecule.

Accepted Answer

A) Peristalsis 
B) Digestion 
C) Hydrolysis 
D) Absorption 
A) Peristalsis 
B) Digestion 
C) Hydrolysis 
D) Absorption

Question 10

The pharyngeal-esophageal phase of swallowing is involuntary and is controlled by the swallowing center in the thalamus and lower pons.

Accepted Answer

A) True 
 B)False

Question 11

Paneth cells ________.

Accepted Answer

A)  secrete hormones 
B)  secrete digestive enzymes 
C)  secrete bicarbonate ions 
D)  secrete enzymes that kill bacteria 
A)  secrete hormones 
B)  secrete digestive enzymes 
C)  secrete bicarbonate ions 
D)  secrete enzymes that kill bacteria

Question 12

Mumps is an inflammation of the parotid glands caused by myxovirus.

Accepted Answer

A) True 
 B)False

Question 13

Jose is brought to the emergency room complaining of a burning sensation in his chest,increased salivation,and difficulty in swallowing.He is having difficulty breathing and feels the presence of a "lump in his throat." The diagnosis is gastroesophageal reflux disease.Explain.

Accepted Answer

Gastroesophageal reflux disease is a dis

Question 14

The protective outermost layer of the esophagus is the ________.

Accepted Answer

The answer of The protective outermost layer of the esophagus...

Question 15

Stellate macrophages are found in the liver and are responsible for removing bacteria and worn-out cells.

Accepted Answer

A) True 
 B)False

Question 16

When swallowing,the epiglottis covers the larynx.

Accepted Answer

A) True 
 B)False

Question 17

The pancreas has both an endocrine and an exocrine function.

Accepted Answer

A) True 
 B)False

Question 18

The major stimulus for production of intestinal fluid is distention or irritation of the intestinal mucosa by hypertonic or acidic chyme.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is (are)not important as a stimulus in the gastric phase of gastric secretion?

Accepted Answer

A)  distention 
B)  peptides 
C)  low acidity 
D)  carbohydrates 
A)  distention 
B)  peptides 
C)  low acidity 
D)  carbohydrates

Question 20

A 45-year-old patient was admitted to the hospital with a diagnosis of cirrhosis of the liver.He is thin and malnourished.His abdomen is very large due to an accumulation of fluid in the abdominal cavity.His lower extremities are very swollen.Explain why these changes have occurred.

Accepted Answer

Cirrhosis is a diffuse and progressive c

Exam 23: The Digestive System

Select the best explanation for why protease enzymes are secreted in inactive forms.

Which of the following are types of papillae on the tongue that contain taste buds?

Which of these is not part of the splanchnic circulation?

Figure 23.3 Using Figure 23.3, match the following: -Produces intrinsic factor.

Which of the following enzymes would be most active in the presents of a high concentrations of protein fragments?

The capillaries that nourish the epithelium and absorb digested nutrients lie in the ________.

The bolus is liquefied in the ________ and it is now called chyme.

The solutes contained in saliva include ________.

Match the following: -Enzymatic breakdown of any type of food molecule.

The pharyngeal-esophageal phase of swallowing is involuntary and is controlled by the swallowing center in the thalamus and lower pons.

Paneth cells ________.

Mumps is an inflammation of the parotid glands caused by myxovirus.

Jose is brought to the emergency room complaining of a burning sensation in his chest,increased salivation,and difficulty in swallowing.He is having difficulty breathing and feels the presence of a "lump in his throat." The diagnosis is gastroesophageal reflux disease.Explain.

The protective outermost layer of the esophagus is the ________.

Stellate macrophages are found in the liver and are responsible for removing bacteria and worn-out cells.

When swallowing,the epiglottis covers the larynx.

The pancreas has both an endocrine and an exocrine function.

The major stimulus for production of intestinal fluid is distention or irritation of the intestinal mucosa by hypertonic or acidic chyme.

Which of the following is (are)not important as a stimulus in the gastric phase of gastric secretion?

A 45-year-old patient was admitted to the hospital with a diagnosis of cirrhosis of the liver.He is thin and malnourished.His abdomen is very large due to an accumulation of fluid in the abdominal cavity.His lower extremities are very swollen.Explain why these changes have occurred.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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