SCI228 Week 5 Quiz 5 New (2017)

1 .  Question :

(TCO 3) What is an exchange reaction?

A reaction that produces free radicals

A two-part metabolic reaction that includes oxidation and reduction steps

The first stage of cancer development, in which a cell’s DNA mutates

A reaction that converts a provitamin into the metabolically active form

Question 2 .  Question :

(TCO 3) Carbon and hydrogen are two examples of:

atoms .

antioxidants .

electrons .

nuclei .

Question 3 .  Question :

(TCO 7) The most powerful and abundant form of vitamin E is:

alpha-tocopherol .

beta-tocopherol .

gamma-tocopherol .

delta-tocopherol .

Chapter 8

Question 4 .  Question :

(TCO 7) The deficiency disease associated with Vitamin C is:

scurvy .

erythrocyte hemolysis .

night blindness .

Keshan disease .

Question 5 .  Question :

(TCO 7) Which of the following nutrients requires the most frequent consumption to assure adequate body stores?

Vitamin A

Vitamin E

Vitamin C

Beta-carotene

Question 6 .  Question :

(TCO 8) Which of the following foods would be the best dietary source of pre-formed Vitamin A?

Carrots

Egg

Cantaloupe

Rice

Question 7 .  Question :

(TCO 8) The phytochemical found in tomatoes and tomato products is:

lycopene .

flavonoids .

phytoestrogens .

polyphenols .

Question 8 .  Question :

(TCO 8) Which of the following is our primary dietary source of Vitamin D?

Seafood

Chicken

Green leafy vegetables

Milk

Question 9 .  Question :

(TCO 9) Mary G .  is 60 years old and at risk for osteoporosis .  Which of the following dietary supplements would be the MOST helpful to minimize bone loss?

Magnesium and fluoride

Vitamin K and fluoride

Calcium and phosphorus

Calcium and Vitamin D

Question 10 .  Question :

(TCO 9) The chronic overconsumption of ________ can result in a biotin deficiency .

herbal tea

raw egg whites

natural licorice

grapefruit juice

 

 





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