Question 1

Irritable bowel syndrome

Accepted Answer

A)   affects about twice as many men as women.
B)   is characterized by rectal bleeding and weight loss.
C)   is typically caused by infection with H. pylori.
D)   may be due to conflicting messages between the central and enteric nervous systems.E) B) and C)
F) C) and D)

Question 2

Leptin is a hormone that suppresses hunger.

Accepted Answer

A) True 
 B)False

Question 3

Cells are the smallest functional units of life that can grow,reproduce,and perform basic functions.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is known as a "hunger hormone"?

Accepted Answer

A)   progesterone
B)   testosterone
C)   CCK
D)   ghrelinE) None of the above
F) B) and C)

Question 5

The pancreas is located

Accepted Answer

A)   behind the stomach.
B)   above the pituitary gland.
C)   at the end of the large intestine.
D)   above the liver.E) C) and D)
F) B) and C)

Question 6

Which of the following begins the process of denaturing proteins?

Accepted Answer

A)   HCl
B)   intrinsic factor
C)   CCK
D)   leptinE) A) and B)
F) All of the above

Question 7

The hair-like projections on the enterocytes are known as

Accepted Answer

A)   villi.
B)   microvilli.
C)   crypts.
D)   brush cells.E) None of the above
F) All of the above

Question 8

The structure of the brush border aids digestion by

Accepted Answer

A)   increasing the small intestine's absorptive capacity.
B)   increasing the large intestine's absorptive capacity.
C)   releasing bile quickly into the duodenum.
D)   mechanically breaking down food.E) A) and B)
F) None of the above

Question 9

Infrequent,painful bowel movements are symptoms of diarrhea.

Accepted Answer

A) True 
 B)False

Question 10

Salivary amylase begins the digestion of which nutrient in the mouth?

Accepted Answer

A)   protein
B)   fat
C)   carbohydrate
D)   vitamin B₁₂E) B) and D)
F) None of the above

Question 11

What is the region of the brain where physiological signals are translated into the message to seek food due to hunger?

Accepted Answer

A)   gallbladder
B)   pancreas
C)   hypothalamus
D)   liverE) A) and C)
F) B) and C)

Question 12

Which component of the gastrointestinal system can synthesize certain vitamins?

Accepted Answer

A)   liver enzymes
B)   intestinal yeasts
C)   circular folds
D)   GI floraE) A) and C)
F) A) and B)

Question 13

The macronutrient with the highest satiety value is protein.

Accepted Answer

A) True 
 B)False

Question 14

Tiny units of matter that cannot be broken down by natural means are called cells.

Accepted Answer

A) True 
 B)False

Question 15

The chemical messengers that are secreted by glands,enter the bloodstream,and travel to distant target sites to regulate their functions are known as

Accepted Answer

A)   hormones.
B)   enzymes.
C)   bases.
D)   organelles.E) None of the above
F) A) and D)

Question 16

Responding to the presence of protein and fat in our meal,cholecystokinin (CCK) signals the gallbladder to release a substance called

Accepted Answer

A)   lipase.
B)   pepsin.
C)   chyme.
D)   bile.E) A) and D)
F) A) and C)

Question 17

Bob eats his breakfast,and his GI tract will now begin the process of digesting and absorbing the nutrients from this meal.What is the order in which each of the organs of the GI tract will work to achieve this process?

Accepted Answer

A)   mouth, esophagus, small intestine, stomach, large intestine
B)   mouth, esophagus, stomach, small intestine, large intestine
C)   mouth, stomach, esophagus, small intestine, large intestine
D)   mouth, stomach, esophagus, large intestine, small intestineE) A) and C)
F) B) and C)

Question 18

The lining of the small intestine is smooth and flat,allowing for quick transit time of food material to the large intestine.

Accepted Answer

A) True 
 B)False

Question 19

Orange juice has a pH of 4.What is its relative acidity compared to pure water,which has a pH of 7?

Accepted Answer

A)   10 times more acidic
B)   100 times more acidic
C)   1,000 times more acidic
D)   10,000 times more acidicE) All of the above
F) B) and C)

Question 20

Liquids have a higher satiety value than solid foods.

Accepted Answer

A) True 
 B)False

Exam 3: The Human Body: Are We Really What We Eat

Which of the following begins the process of denaturing proteins?

Correct AnswerverifiedShow Answer

What is the region of the brain where physiological signals are translated into the message to seek food due to hunger?

Correct AnswerverifiedShow Answer

Bob eats his breakfast,and his GI tract will now begin the process of digesting and absorbing the nutrients from this meal.What is the order in which each of the organs of the GI tract will work to achieve this process?

Correct AnswerverifiedShow Answer

Cells are the smallest functional units of life that can grow,reproduce,and perform basic functions.

Correct AnswerverifiedShow Answer

Irritable bowel syndrome

Correct AnswerverifiedShow Answer

Orange juice has a pH of 4.What is its relative acidity compared to pure water,which has a pH of 7?

Correct AnswerverifiedShow Answer

Liquids have a higher satiety value than solid foods.

Correct AnswerverifiedShow Answer

Salivary amylase begins the digestion of which nutrient in the mouth?

Correct AnswerverifiedShow Answer

Infrequent,painful bowel movements are symptoms of diarrhea.

Correct AnswerverifiedShow Answer

The hair-like projections on the enterocytes are known as

Correct AnswerverifiedShow Answer

Responding to the presence of protein and fat in our meal,cholecystokinin (CCK) signals the gallbladder to release a substance called

Correct AnswerverifiedShow Answer

Leptin is a hormone that suppresses hunger.

Correct AnswerverifiedShow Answer

Which component of the gastrointestinal system can synthesize certain vitamins?

Correct AnswerverifiedShow Answer

Tiny units of matter that cannot be broken down by natural means are called cells.

Correct AnswerverifiedShow Answer

The pancreas is located

Correct AnswerverifiedShow Answer

The macronutrient with the highest satiety value is protein.

Correct AnswerverifiedShow Answer

The chemical messengers that are secreted by glands,enter the bloodstream,and travel to distant target sites to regulate their functions are known as

Correct AnswerverifiedShow Answer

The structure of the brush border aids digestion by

Correct AnswerverifiedShow Answer

Which of the following is known as a "hunger hormone"?

Correct AnswerverifiedShow Answer

The lining of the small intestine is smooth and flat,allowing for quick transit time of food material to the large intestine.

Correct AnswerverifiedShow Answer

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