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1 | |
Vitamins may function in the body as |
| | A) | coenzymes to help regulate body processes |
| | B) | antioxidants that protect cell membranes |
| | C) | hormones |
| | D) | both a and b |
| | E) | all of the above |
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2 | |
Symptoms of deficiencies of some water soluble vitamins can be seen in as short a time frame as |
| | A) | in 2-4 months |
| | B) | in 2-4 weeks |
| | C) | in 2-4 days |
| | D) | 1 year |
| | E) | There are no symptoms of water-soluble vitamin deficiency |
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3 | |
Vitamins in foods |
| | A) | can be lost due to improper storage and preparation |
| | B) | are always added to highly processed foods |
| | C) | are not as good as supplemental sources |
| | D) | both a and b |
| | E) | all of the above |
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4 | |
Antioxidant vitamins include all of the following except |
| | A) | beta-carotene |
| | B) | vitamin B-12 |
| | C) | Vitamin C |
| | D) | Vitamin E |
| | E) | all of the above |
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5 | |
Food sources of Vitamin A include |
| | A) | green leafy vegetables |
| | B) | carrots |
| | C) | sweet potatoes |
| | D) | liver |
| | E) | a, b, and c |
| | F) | all of the above |
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6 | |
A nonfood source of Vitamin D is |
| | A) | intestinal bacteria |
| | B) | sunlight |
| | C) | cast iron cookware |
| | D) | drinking water |
| | E) | breathing nitrogen from the air |
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7 | |
Good sources of Vitamin C include all of the following except |
| | A) | potatoes |
| | B) | fortified breakfast cereals |
| | C) | citrus fruits |
| | D) | beef |
| | E) | fresh vegetables |
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8 | |
Dietary sources of Vitamin D include all of the following except |
| | A) | eggs, tuna and salmon |
| | B) | fortified milk |
| | C) | green vegetables |
| | D) | fortified breakfast cereals |
| | E) | both b and d |
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9 | |
The amount of a nutrient that the body absorbs is referred to as |
| | A) | bioavailability |
| | B) | absorptive capability |
| | C) | biochemical deficiency |
| | D) | malnutrition |
| | E) | Dietary Reference Intake (DRI) |
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10 | |
Dermatitis can be a symptom of a ____ deficiency. |
| | A) | thiamin |
| | B) | niacin |
| | C) | Vitamin B12 |
| | D) | Vitamin C |
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11 | |
Night blindness can be a symptom of a _____ deficiency. |
| | A) | Vitamin A |
| | B) | niacin |
| | C) | Vitamin B12 |
| | D) | Vitamin C |
| | E) | Vitamin D |
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12 | |
Pernicious anemia |
| | A) | may have nothing to do with diet |
| | B) | occurs in individuals who lack intrinsic factor for vitamin B-12 |
| | C) | can occur in vegans |
| | D) | may impair aerobic exercise performance |
| | E) | all of the above |
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13 | |
Enriched grain products are sources of |
| | A) | Vitamins A and D |
| | B) | riboflavin and niacin |
| | C) | thiamin |
| | D) | both b and c |
| | E) | all of the above |
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14 | |
Of the water-soluble B vitamins, the one that may most toxic in megadoses is |
| | A) | thiamin |
| | B) | riboflavin |
| | C) | niacin |
| | D) | cyanocobalamin |
| | E) | pantothenic acid |
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15 | |
Which B vitamin has been shown to be effective in the treatment of high serum cholesterol? |
| | A) | cyanocobalamin (B12) |
| | B) | biotin |
| | C) | riboflavin |
| | D) | pyridoxine |
| | E) | niacin |
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16 | |
In order to help prevent neural tube defects in newborn children, females of child-bearing age should obtain adequate amounts of which vitamins? |
| | A) | Vitamin A |
| | B) | Vitamin D |
| | C) | folic acid |
| | D) | pantothenic acid |
| | E) | Vitamin C |
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17 | |
Which of the following are fat-soluble vitamins? |
| | A) | B, C, D and niacin |
| | B) | A, D, E, and K |
| | C) | E, niacin, thiamin, riboflavin |
| | D) | A, B, C, D |
| | E) | B-1, B-2, B-6, C |
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18 | |
Vitamin A toxicity is most likely to occur from |
| | A) | consuming too many dark green and deep orange vegetables |
| | B) | eating liver more than once per week |
| | C) | consuming high-dosage vitamin A supplements |
| | D) | drinking vitamin A fortified milk |
| | E) | eating rabbit meet two days per week |
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19 | |
The task of acquiring enough vitamin B12 may pose a problem to vegans because |
| | A) | fibers in vegetables inhibit it absorption |
| | B) | vegans lack the intrinsic factor |
| | C) | B12 is only found in animal products |
| | D) | a deficiency may occur from excess intake of soy products |
| | E) | folacin retards its absorption |
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20 | |
An excessive intake of folate is dangerous because |
| | A) | it is stored in the body |
| | B) | it means the person is eating too much meat |
| | C) | it can "mask" pernicious anemia |
| | D) | we do not know enough about it |
| | E) | it depresses red blood cell formation |
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21 | |
Pantothenic acid is also known as |
| | A) | vitamin B1 |
| | B) | vitamin B2 |
| | C) | vitamin B6 |
| | D) | ascorbic acid |
| | E) | vitamin B15 |
| | F) | none of the above |
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22 | |
A deficiency of either of these two vitamins produces a similar anemia. |
| | A) | thiamin and riboflavin |
| | B) | riboflavin and niacin |
| | C) | thiamin and vitamin B6 |
| | D) | pantothenic acid and biotin |
| | E) | folate and vitamin B12 |
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23 | |
Which of the following vitamins may not be formed in the human body from another nutrient, provitamin, or bacteria? |
| | A) | A |
| | B) | niacin |
| | C) | C |
| | D) | D |
| | E) | K |
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24 | |
Which vitamin is most difficult to obtain from natural dietary sources, although it may be found in several fortified foods? |
| | A) | thiamin |
| | B) | niacin |
| | C) | ascorbic acid |
| | D) | vitamin D |
| | E) | riboflavin |
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25 | |
Major sources of vitamin E in the diet are |
| | A) | meat products |
| | B) | milk and dairy products |
| | C) | citrus fruits |
| | D) | vegetable oils |
| | E) | poultry |
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