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DHN 101 Exam 3: Ch. 9-11 with 100% correct solutions 2024
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Which of the following foods are reliable dietary sources of vitamin D? correct answers Fortified dairy products The term vitamin comes from vita (necessary for life), and amine (a type of nitrogen-containing substance) correct answers True Long-term trials have shown that high intakes of v...

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DHN 101 Exam 3: Ch. 9-11

Which of the following foods are reliable dietary sources of vitamin D? correct answers
Fortified dairy products

The term vitamin comes from vita (necessary for life), and amine (a type of nitrogen-
containing substance) correct answers True

Long-term trials have shown that high intakes of vitamin E reduce the risk of lung
cancer in smokers. correct answers False

Which of the following foods contains the highest amount of vitamin E per serving?
correct answers Almonds (1 oz)

____ are fat-soluble vitamins correct answers Vitamins K, D, and A

According to the 2020-2025 Dietary Guidelines for Americans, which of the following
vitamins is a "nutrient of public health concern" in the United States? correct answers
Vitamin D

The large intestine is the primary site of vitamin absorption correct answers False

Vitamin ___ protects polyunsaturated fatty acids from being damaged by free radicals.
correct answers E

Which of the following is the best food source of beta-carotene? correct answers Sweet
potato

To conserve the vitamin content of foods, ______ correct answers Stir-fry instead of
boil

Long-term trials have show that high intakes of vitamin E reduce the risk of
cardiovascular disease in women. correct answers False

The liver needs vitamin K to _____ correct answers synthesize prothrombin

Which of the following cooking methods can result in major losses of water-soluble
vitamins? correct answers Boiling in a saucepan of water

Low blood levels of vitamin K are associated with increased risk of osteoporosis correct
answers True

, ______ prevent or limit the ability of free radicals to damage polyunsaturated fatty acids
and DNA in cells. correct answers Antioxidants

Which of the following statements is true? (Vitamin D) correct answers Skin can form
prohormone vitamin D after being exposed to sunlight.

Which of the following vitamins is most important for energy metabolism? correct
answers Pantothenic acid

Which of the following is a fat-soluble vitamin? correct answers Vitamin D

Which of the following is a water-soluble vitamin? correct answers Vitamin B-12

An early symptom of vitamin A deficiency is correct answers Night blindness

Diets supplying large amounts of carotenoids lutein and zeaxanthin can lower the risk of
age-related muscular degeration. correct answers True

Adding a small amount of _____ to cooked vegetables can enhance the intestinal tract's
ability to absorb the fat-soluble vitamins they contain. correct answers olive oil

Excessive vitamin D intakes can result in correct answers Deposition of calcium in soft
tissues

_____ is a condition associated with vitamin D deficiency in adults that is characterized
by softening of the bonds correct answers Osteomalacia

Vitamins that are involved in bone health include all of the following EXCEPT correct
answers Vitamin E

Which of the following foods is a natural source of vitamin D? correct answers Fatty fish
and fish oils

Vitamin E is involved in maintaining immune system function correct answers True

Long-term vitamin E deficiency can result in rickets. correct answers False

Taking a vitamin A supplement has been linked to reduce risk of cardiovascular disease
correct answers False

Barry is a vegan. His diet does not include foods that contain preformed vitamin A, and
he does not take any vitamin A supplements. Nevertheless, his body has adequate
vitamin A stores. Which of the following statements provides the best explanation for
Barry's adequate vitamin A status? correct answers He eats plenty of foods that contain
beta-carotene

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