Question 1

Which vitamin is fat soluble?

Accepted Answer

A)  vitamin C 
B)  vitamin E 
C)  vitamin B6 
D)  vitamin B12 
E)  biotin 
A)  vitamin C 
B)  vitamin E 
C)  vitamin B6 
D)  vitamin B12 
E)  biotin

Question 2

What is the correct order of components of the digestive tract?

Accepted Answer

A)  mouth, esophagus, pharynx, small intestine, stomach, large intestine, rectum, anus 
B)  mouth, pharynx, esophagus, stomach, large intestine, small intestine, rectum, anus 
C)  mouth, pharynx, stomach, esophagus, small intestine, rectum, large intestine, anus 
D)  mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, anus 
E)  mouth, rectum, large intestine, small intestine, stomach, esophagus, pharynx, anus 
A)  mouth, esophagus, pharynx, small intestine, stomach, large intestine, rectum, anus 
B)  mouth, pharynx, esophagus, stomach, large intestine, small intestine, rectum, anus 
C)  mouth, pharynx, stomach, esophagus, small intestine, rectum, large intestine, anus 
D)  mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, anus 
E)  mouth, rectum, large intestine, small intestine, stomach, esophagus, pharynx, anus

Question 3

The thick,soupy liquid of partially digested food that leaves the stomach is called

Accepted Answer

A)  bolus. 
B)  pepsin. 
C)  chyme. 
D)  lacteal. 
E)  lipase. 
A)  bolus. 
B)  pepsin. 
C)  chyme. 
D)  lacteal. 
E)  lipase.

Question 4

A diet rich in what vitamins may reduce the chance of free radicals that can cause health problems?

Accepted Answer

A)  C and B12 
B)  C, E, and A 
C)  D and C 
D)  D, C, and E 
E)  B12, C, and E 
A)  C and B12 
B)  C, E, and A 
C)  D and C 
D)  D, C, and E 
E)  B12, C, and E

Question 5

The secretions of digestive juices are controlled by the nervous system as well as by digestive hormones.

Accepted Answer

A) True 
 B)False

Question 6

The small lymphatic capillaries that reside in the small intestines and absorb fats are known as

Accepted Answer

A)  mesenteries. 
B)  lacteals. 
C)  gastric glands. 
D)  duodenal pits. 
E)  microvilli. 
A)  mesenteries. 
B)  lacteals. 
C)  gastric glands. 
D)  duodenal pits. 
E)  microvilli.

Question 7

Pepsin is an enzyme that digests proteins at acidic pH.Therefore,it must act in the

Accepted Answer

A)  stomach. 
B)  small intestine. 
C)  mouth. 
D)  large intestine. 
E)  esophagus. 
A)  stomach. 
B)  small intestine. 
C)  mouth. 
D)  large intestine. 
E)  esophagus.

Question 8

When a nutrition labels states that something has "0" grams of trans fat,this might not mean there are no trans fats in the food.

Accepted Answer

A) True 
 B)False

Question 9

The primary function of the stomach is to

Accepted Answer

A)  break down fats. 
B)  store food, churn, and begin digestion. 
C)  absorb major nutrients. 
D)  package feces. 
E)  eliminate water and tissue fluid. 
A)  break down fats. 
B)  store food, churn, and begin digestion. 
C)  absorb major nutrients. 
D)  package feces. 
E)  eliminate water and tissue fluid.

Question 10

The gallbladder produces bile.

Accepted Answer

A) True 
 B)False

Question 11

Muscles that encircle tubes and act as circular valves are called

Accepted Answer

A)  frenula. 
B)  sphincters. 
C)  cannula. 
D)  anastomoses. 
E)  buccinators. 
A)  frenula. 
B)  sphincters. 
C)  cannula. 
D)  anastomoses. 
E)  buccinators.

Question 12

The layers of the gastrointestinal tract wall from the inside layer outward in order are

Accepted Answer

A)  submucosa, muscularis, mucosa, serosa. 
B)  serosa, submucosa, muscularis, mucosa. 
C)  mucosa, submucosa, muscularis, serosa. 
D)  muscularis, serosa, mucosa, submucosa. 
E)  mucosa, muscularis, serosa, submucosa 
A)  submucosa, muscularis, mucosa, serosa. 
B)  serosa, submucosa, muscularis, mucosa. 
C)  mucosa, submucosa, muscularis, serosa. 
D)  muscularis, serosa, mucosa, submucosa. 
E)  mucosa, muscularis, serosa, submucosa

Question 13

What prevents food from entering the nasal cavities?

Accepted Answer

A)  tonsils 
B)  mandible and maxilla 
C)  hard and soft palate 
D)  cheek 
E)  salivary glands 
A)  tonsils 
B)  mandible and maxilla 
C)  hard and soft palate 
D)  cheek 
E)  salivary glands

Question 14

Recent studies of an oyster-rich bay indicated a high coliform count.What should the fisheries officers do?

Accepted Answer

A)  Nothing. A high coliform count is normal. 
B)  Nothing. This is good for oyster production. 
C)  Shut down the bay. This is harmful to humans who eat the oysters. 
D)  Shut down the bay. This is harmful to the oysters. 
A)  Nothing. A high coliform count is normal. 
B)  Nothing. This is good for oyster production. 
C)  Shut down the bay. This is harmful to humans who eat the oysters. 
D)  Shut down the bay. This is harmful to the oysters.

Question 15

Why is it necessary to include some carbohydrates in the diet?

Accepted Answer

A)  Carbohydrates are considered a "complete" nutrient. 
B)  Some carbohydrates contain essential fatty acids. 
C)  Some carbohydrates contain essential amino acids. 
D)  Carbohydrates are the only source of energy for the body. 
E)  Brain cells require glucose. 
A)  Carbohydrates are considered a "complete" nutrient. 
B)  Some carbohydrates contain essential fatty acids. 
C)  Some carbohydrates contain essential amino acids. 
D)  Carbohydrates are the only source of energy for the body. 
E)  Brain cells require glucose.

Question 16

Swallowing consists of both a voluntary phase and a reflex action.

Accepted Answer

A) True 
 B)False

Question 17

The BMI is useful because it tells you how much of your weight is due to adipose tissue regardless of your fitness,bone structure,or gender.

Accepted Answer

A) True 
 B)False

Question 18

The process of mechanical digestion includes

Accepted Answer

A)  breakdown of food particles by enzymes. 
B)  physically making food smaller and easier to handle. 
C)  churning of food in the muscular stomach. 
D)  hydrolysis of nutrients. 
E)  absorption of nutrients into the bloodstream. 
A)  breakdown of food particles by enzymes. 
B)  physically making food smaller and easier to handle. 
C)  churning of food in the muscular stomach. 
D)  hydrolysis of nutrients. 
E)  absorption of nutrients into the bloodstream.

Question 19

The fleshy extension of the soft palate is known as the

Accepted Answer

A)  epiglottis. 
B)  uvula. 
C)  pharynx. 
D)  adenoid. 
E)  cecum. 
A)  epiglottis. 
B)  uvula. 
C)  pharynx. 
D)  adenoid. 
E)  cecum.

Question 20

The small intestine is longer than the large intestine.

Accepted Answer

A) True 
 B)False

Exam 8: Digestive System and Nutrition

Which vitamin is fat soluble?

What is the correct order of components of the digestive tract?

The thick,soupy liquid of partially digested food that leaves the stomach is called

A diet rich in what vitamins may reduce the chance of free radicals that can cause health problems?

The secretions of digestive juices are controlled by the nervous system as well as by digestive hormones.

The small lymphatic capillaries that reside in the small intestines and absorb fats are known as

Pepsin is an enzyme that digests proteins at acidic pH.Therefore,it must act in the

When a nutrition labels states that something has "0" grams of trans fat,this might not mean there are no trans fats in the food.

The primary function of the stomach is to

The gallbladder produces bile.

Muscles that encircle tubes and act as circular valves are called

The layers of the gastrointestinal tract wall from the inside layer outward in order are

What prevents food from entering the nasal cavities?

Recent studies of an oyster-rich bay indicated a high coliform count.What should the fisheries officers do?

Why is it necessary to include some carbohydrates in the diet?

Swallowing consists of both a voluntary phase and a reflex action.

The BMI is useful because it tells you how much of your weight is due to adipose tissue regardless of your fitness,bone structure,or gender.

The process of mechanical digestion includes

The fleshy extension of the soft palate is known as the

The small intestine is longer than the large intestine.

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