Question 1

The gallbladder produces bile.

Accepted Answer

A) True 
 B)False

Question 2

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, submucosaF) All of the above
G) A) and D)

Question 3

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.F) C) and E)
G) C) and D)

Question 4

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, anusF) A) and E)
G) A) and D)

Question 5

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 EF) C) and E)
G) C) and D)

Question 6

The fleshy extension of the soft palate is known as the

Accepted Answer

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

Question 7

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.E) C) and D)
F) All of the above

Question 8

Which vitamin is fat soluble?

Accepted Answer

A)   vitamin C
B)   vitamin E
C)   vitamin B6
D)   vitamin B12
E)   biotinF) None of the above
G) A) and E)

Question 9

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 10

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

Accepted Answer

A) True 
 B)False

Question 11

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.F) A) and B)
G) A) and C)

Question 12

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.F) B) and C)
G) A) and E)

Question 13

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.F) A) and B)
G) A) and C)

Question 14

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.F) None of the above
G) B) and D)

Question 15

The small intestine is longer than the large intestine.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Muscles that encircle tubes and act as circular valves are called

Accepted Answer

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

Question 18

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 19

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.F) C) and D)
G) None of the above

Question 20

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 glandsF) B) and E)
G) C) and D)

Exam 8: Digestive System and Nutrition

The primary function of the stomach is to

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

Correct AnswerverifiedShow Answer

The gallbladder produces bile.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The fleshy extension of the soft palate is known as the

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The small intestine is longer than the large intestine.

Correct AnswerverifiedShow Answer

What prevents food from entering the nasal cavities?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which vitamin is fat soluble?

Correct AnswerverifiedShow Answer

The process of mechanical digestion includes

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Muscles that encircle tubes and act as circular valves are called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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