Set 8 - Vitamins and Minerals - 33 MCQs

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232. Thiamin is known as:

  • (a) Vitamin B1.
  • (b) Vitamin B2.
  • (c) Vitamin B3.
  • (d) Vitamin B4.

233. Abundant natural B vitamins are found in:

  • (a) B-complex vitamin supplements.
  • (b) Soybean oil.
  • (c) Peaches.
  • (d) Nutritional yeast.

234. The form of vitamin B3 that can cause skin flushing is:

  • (a) Niacinamide.
  • (b) Niacin.
  • (c) Nicotinamide.
  • (d) All of the above.

235. Riboflavin helps reactivate this important antioxidant:

  • (a) Tryptophan.
  • (b) Cobalamin.
  • (c) Biotin.
  • (d) Glutathione.

236. Part of our niacin requirement can be met by dietary:

  • (a) Tryptophan.
  • (b) Lysine.
  • (c) Methionine.
  • (d) Leucine.

237. Niacin deficiency can cause:

  • (a) Blindness.
  • (b) Pellagra.
  • (c) Beriberi.
  • (d) Scurvy.

238. Which B vitamin makes up a large part of coenzyme A?

  • (a) Pantothenic acid.
  • (b) Tryptophan.
  • (c) Thiamin.
  • (d) Biotin.

239. Coenzyme A is an important part of:

  • (a) Energy production.
  • (b) The TCA cycle.
  • (c) The Krebs cycle.
  • (d) All of the above.

240. When white flour is made from whole grains, what percentage of pantothenic acid is lost?

  • (a) 43 percent.
  • (b) 28 percent.
  • (c) 12 percent.
  • (d) 5 percent.

241. Which vitamin is extensively stored in muscle tissue?

  • (a) Niacin.
  • (b) Vitamin C.
  • (c) Pyridoxine.
  • (d) Vitamin B12.

242. Folic acid, as opposed to folates, is found in:

  • (a) Food.
  • (b) Vitamin pills.
  • (c) The body.
  • (d) A metabolically active form in the body.

243. Which of the following is active in eliminating homocysteine from blood?

  • (a) Pyridoxine.
  • (b) Folic acid.
  • (c) Vitamin B12.
  • (d) All of the above.

244. Excess folate is removed from the body:

  • (a) Through the lungs.
  • (b) In urine.
  • (c) In bile.
  • (d) None of the above.

245. Supplementary vitamin B12 is often in the form of:

  • (a) Methylcobalamin.
  • (b) Deoxyadenosyl cobalamin.
  • (c) Cyanocobalamin.
  • (d) Magentocobalamin.

246. Which has the highest energy level?

  • (a) ADP.
  • (b) AMP.
  • (c) APP.
  • (d) ATP.

247. Which one is a real vitamin?

  • (a) Vitamin K.
  • (b) Vitamin T.
  • (c) Vitamin P.
  • (d) Vitamin U.

248. Which of the following is NOT a cure for scurvy?

  • (a) The tips of young arbor vitae evergreen needles.
  • (b) Sauerkraut.
  • (c) Limes.
  • (d) Fresh fish.

249. Vitamin C is:

  • (a) Synthesized by only a few animals.
  • (b) Synthesized by humans.
  • (c) Synthesized by most animals.
  • (d) Must be obtained from food for all animals.

250. The amount of vitamin C synthesized by a 154-pound dog each day is:

  • (a) 2800 mg.
  • (b) 280 mg.
  • (c) 28 mg.
  • (d) 2.8 mg.

251. Collagen is a major structural component of:

  • (a) Blood vessel walls.
  • (b) Skin.
  • (c) Teeth.
  • (d) All of the above.

252. Which is NOT needed to synthesize collagen?

  • (a) Lysine.
  • (b) Magnesium.
  • (c) Iron.
  • (d) Proline.

253. The difference between ascorbic acid and dehydroascorbic acid is:

  • (a) Only ascorbic acid comes from food.
  • (b) Dehydroascorbic acid is the oxidized form of ascorbic acid.
  • (c) Ascorbic acid is the oxidized form of dehydroascorbic acid.
  • (d) Dehydroascorbic acid is found only in secret government labs.

254. Vitamin C:

  • (a) Prevents colds.
  • (b) Has no effect on colds.
  • (c) Lessens the severity of colds.
  • (d) Lengthens the duration of colds.

255. Ascorbated vitamin C:

  • (a) Does not have a neutral pH.
  • (b) Is ascorbic acid attached to a mineral.
  • (c) Always contains bioflavonoids.
  • (d) Creates intestinal irritation in large doses.

256. Which form of vitamin A is not called “preformed”?

  • (a) Retinyl palmitate.
  • (b) Beta-carotene.
  • (c) Retinal.
  • (d) Retinol.

257. The form of Vitamin A that is an antioxidant is:

  • (a) Retinol.
  • (b) Retinyl esters.
  • (c) Retinoic acid.
  • (d) None of the above.

258. The form of vitamin A that is used for transport of the vitamin in the body is:

  • (a) Retinol.
  • (b) Retinyl esters.
  • (c) Retinoic acid.
  • (d) None of the above.

259. Beta-carotene is abundant in:

  • (a) Dairy products, especially milk.
  • (b) Yellow and orange vegetables and fruit.
  • (c) Fish, especially salmon.
  • (d) Beef liver.

260. Vitamin A reduces risk of infections because:

  • (a) It strengthens mucous membranes.
  • (b) It is needed in the development of lymphocytes.
  • (c) It is needed for the regulation of the immune system.
  • (d) All of the above.

261. Vitamin A in the form of retinoic acid:

  • (a) Enables red blood cell production.
  • (b) Enables fetal development.
  • (c) Enables cell differentiation.
  • (d) All of the above.

262. The type of vitamin A NOT associated with toxicity is:

  • (a) Beta-carotene supplements.
  • (b) Beta-carotene in food.
  • (c) Vitamin A in liver.
  • (d) Supplements of vitamin A.

263. To prevent osteoporosis in older people:

  • (a) Keep vitamin A in the diet and supplements at a minimum.
  • (b) Eat the RDA of vitamin A in food.
  • (c) Take double the RDA of vitamin A in supplement form.
  • (d) Take vitamin A only in the form of retinoic acid.

264. Calcidiol is:

  • (a) Stored in the liver.
  • (b) The active form of vitamin D.
  • (c) Made in the skin from sunlight.
  • (d) Made by irradiating a fungus.