Question 1

The selenium content of the typical North American diet is

Accepted Answer

A)  inadequate,due to low intake of whole grain products.
B)  inadequate,due to low intake of fruits and vegetables.
C)  adequate,due to consumption of a variety of animal and grain products.
D)  adequate,due to widespread fortification of foods with selenium.E) None of the above
F) A) and C)

Question 2

George wants to increase his consumption of vitamin A for the possible cancer risk-reducing effects.Which of the following foods should he choose?

Accepted Answer

A)  Spinach
B)  Salmon
C)  Pears
D)  PotatoE) B) and C)
F) B) and D)

Question 3

Match between columns
                        Premises: A combination of pre and probiotics taken to confer health benefits.
A live organism.
Fuel for beneficial bacteria in the gut.

Accepted Answer

The Answer of Synbiotic and Prebiotic and Probiotic is...

Question 4

The food choices typified by the traditional Mediterranean Diet tend to ______ chronic inflammation.

Accepted Answer

A)  increase
B)  decreaseC) A) and B)
D) undefined

Question 5

Drying of the cornea due to vitamin A deficiency is called

Accepted Answer

A)  dysphagia.
B)  xerophthalmia.
C)  cachexia.
D)  apnea.E) A) and C)
F) A) and B)

Question 6

Which of the following is converted to vitamin A in the body?

Accepted Answer

A)  Retinol
B)  Beta-carotene
C)  Cholesterol
D)  PhenylalanineE) A) and B)
F) None of the above

Question 7

Cell membranes are susceptible to damage by free radicals because

Accepted Answer

A)  they are composed primarily of polyunsaturated fatty acids.
B)  they are composed primarily of saturated fatty acids.
C)  they have so many unpaired electrons.
D)  they are the site of cellular respiration.E) A) and C)
F) A) and B)

Question 8

The leading cause of blindness among older Americans is macular degeneration.Eating a diet rich in can decrease the risk of this condition.

Accepted Answer

A)  retinoids
B)  vitamin E
C)  vitamin C
D)  carotenoidsE) B) and C)
F) A) and D)

Question 9

Ben started taking a supplement containing fructooligosaccharides,which are a form of carbohydrate that is not digestible by humans,but helps to promote the growth of healthy bacteria in the human colon.This supplement is a(n)

Accepted Answer

A)  synbiotic.
B)  prebiotic.
C)  antibiotic.
D)  probiotic.E) A) and C)
F) C) and D)

Question 10

Slow growth and poor sexual development occur with a deficiency of

Accepted Answer

A)  zinc.
B)  copper.
C)  molybdenum.
D)  iron.E) B) and D)
F) A) and C)

Question 11

The physical and chemical barriers of the skin and gastrointestinal tract contribute to ______ immunity.

Accepted Answer

A)  adaptive
B)  innateC) A) and B)
D) undefined

Question 12

A mineral that has antioxidant functions and has been suggested to reduce cancer risk is

Accepted Answer

A)  iron.
B)  magnesium.
C)  selenium.
D)  sulfur.E) A) and B)
F) All of the above

Question 13

Vitamin C intake over 2 grams per day may cause

Accepted Answer

A)  diarrhea.
B)  liver damage.
C)  beriberi.
D)  rebound scurvy.E) A) and D)
F) A) and C)

Question 14

A reduced sense of taste is associated with a deficiency of

Accepted Answer

A)  zinc.
B)  copper.
C)  chromium.
D)  choline.E) C) and D)
F) All of the above

Question 15

When a molecule loses an electron in a chemical reaction,the molecule has been

Accepted Answer

A)  induced.
B)  reduced.
C)  oxidized.
D)  metabolized.E) A) and B)
F) None of the above

Question 16

Which of the following vitamins serves as an antioxidant in cell membranes?

Accepted Answer

A)  Vitamin K
B)  Vitamin D
C)  Niacin
D)  Vitamin EE) None of the above
F) B) and C)

Question 17

Antioxidants

Accepted Answer

A)  promote the formation of free radicals.
B)  donate electrons to free radicals.
C)  speed the rate of chemical reactions.
D)  damage cell membranes.E) A) and B)
F) A) and C)

Question 18

Free radicals

Accepted Answer

A)  are the result of an inborn error of metabolism.
B)  are generated by normal metabolic processes.
C)  have no beneficial roles in the body.
D)  reduce inflammation.E) B) and C)
F) A) and B)

Question 19

Clusters of specialized immune cells located throughout the gastrointestinal tract are known as

Accepted Answer

A)  gut-associated lymphoid tissue.
B)  cytokines
C)  lymph nodes.
D)  lysozymes.E) B) and D)
F) A) and D)

Question 20

The safest way to meet vitamin A needs is by

Accepted Answer

A)  consuming organ meats on a daily basis.
B)  heavy use of fortified foods.
C)  consuming a variety of brightly colored fruits and vegetables.
D)  use of a vitamin A supplement.E) A) and D)
F) All of the above

Exam 10: Nutrients Involved in Body Defenses

Vitamin C intake over 2 grams per day may cause

Correct Answer
verified

The food choices typified by the traditional Mediterranean Diet tend to ______ chronic inflammation.

Correct Answer
verified

Slow growth and poor sexual development occur with a deficiency of

Correct Answer
verified

The physical and chemical barriers of the skin and gastrointestinal tract contribute to ______ immunity.

Correct Answer
verified

Which of the following is converted to vitamin A in the body?

Correct Answer
verified

Free radicals

Correct Answer
verified

A mineral that has antioxidant functions and has been suggested to reduce cancer risk is

Correct Answer
verified

A reduced sense of taste is associated with a deficiency of

Correct Answer
verified

Antioxidants

Correct Answer
verified

Cell membranes are susceptible to damage by free radicals because

Correct Answer
verified

The leading cause of blindness among older Americans is macular degeneration.Eating a diet rich in can decrease the risk of this condition.

Correct Answer
verified

Drying of the cornea due to vitamin A deficiency is called

Correct Answer
verified

Match the term with its correct definition.

Ben started taking a supplement containing fructooligosaccharides,which are a form of carbohydrate that is not digestible by humans,but helps to promote the growth of healthy bacteria in the human colon.This supplement is a(n)

Correct Answer
verified

The selenium content of the typical North American diet is

Correct Answer
verified

When a molecule loses an electron in a chemical reaction,the molecule has been

Correct Answer
verified

Which of the following vitamins serves as an antioxidant in cell membranes?

Correct Answer
verified

Clusters of specialized immune cells located throughout the gastrointestinal tract are known as

Correct Answer
verified

George wants to increase his consumption of vitamin A for the possible cancer risk-reducing effects.Which of the following foods should he choose?

Correct Answer
verified

The safest way to meet vitamin A needs is by

Correct Answer
verified

Exam 10: Nutrients Involved in Body Defenses

Vitamin C intake over 2 grams per day may cause

Correct AnswerverifiedShow Answer

The food choices typified by the traditional Mediterranean Diet tend to ______ chronic inflammation.

Correct AnswerverifiedShow Answer

Slow growth and poor sexual development occur with a deficiency of

Correct AnswerverifiedShow Answer

The physical and chemical barriers of the skin and gastrointestinal tract contribute to ______ immunity.

Correct AnswerverifiedShow Answer

Which of the following is converted to vitamin A in the body?

Correct AnswerverifiedShow Answer

Free radicals

Correct AnswerverifiedShow Answer

A mineral that has antioxidant functions and has been suggested to reduce cancer risk is

Correct AnswerverifiedShow Answer

A reduced sense of taste is associated with a deficiency of

Correct AnswerverifiedShow Answer

Antioxidants

Correct AnswerverifiedShow Answer

Cell membranes are susceptible to damage by free radicals because

Correct AnswerverifiedShow Answer

The leading cause of blindness among older Americans is macular degeneration.Eating a diet rich in can decrease the risk of this condition.

Correct AnswerverifiedShow Answer

Drying of the cornea due to vitamin A deficiency is called

Correct AnswerverifiedShow Answer

Match the term with its correct definition.

Ben started taking a supplement containing fructooligosaccharides,which are a form of carbohydrate that is not digestible by humans,but helps to promote the growth of healthy bacteria in the human colon.This supplement is a(n)

Correct AnswerverifiedShow Answer

The selenium content of the typical North American diet is

Correct AnswerverifiedShow Answer

When a molecule loses an electron in a chemical reaction,the molecule has been

Correct AnswerverifiedShow Answer

Which of the following vitamins serves as an antioxidant in cell membranes?

Correct AnswerverifiedShow Answer

Clusters of specialized immune cells located throughout the gastrointestinal tract are known as

Correct AnswerverifiedShow Answer

George wants to increase his consumption of vitamin A for the possible cancer risk-reducing effects.Which of the following foods should he choose?

Correct AnswerverifiedShow Answer

The safest way to meet vitamin A needs is by

Correct AnswerverifiedShow Answer

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