Set 5 - Vitamins and Minerals - 33 MCQs

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133. Microwave cooking destroys:

  • (a) Pyridoxine.
  • (b) Pantothenic acid.
  • (c) Cobalamin.
  • (d) Thiamin.

134. The only vitamin that contains cobalt is:

  • (a) Biotin.
  • (b) Niacin.
  • (c) Thiamin.
  • (d) Cobalamin.

135. A perceived deficiency of pyridoxine may also be caused by a deficiency of:

  • (a) Riboflavin.
  • (b) Cobalamin.
  • (c) Biotin.
  • (d) Pantothenic acid.

136. Our bodies make energy using:

  • (a) Catabolism.
  • (b) Anabolism.
  • (c) Cannibalism.
  • (d) Electricity.

137. B vitamins act as:

  • (a) Enzymes.
  • (b) Coenzymes.
  • (c) Fuel.
  • (d) Fat.

138. B vitamins:

  • (a) Are needed for nerve conduction.
  • (b) Are needed to make neurotransmitters.
  • (c) Are needed to convert amino acids.
  • (d) All of the above.

139. Thiamin needs the following mineral to become active:

  • (a) Magnesium.
  • (b) Manganese.
  • (c) Iron.
  • (d) Calcium.

140. When triple the RDA of a B vitamin is taken, they are:

  • (a) Very toxic.
  • (b) Mildly toxic.
  • (c) A little toxic.
  • (d) Not toxic.

141. One thousand milligrams is:

  • (a) One gram.
  • (b) One microgram.
  • (c) One-tenth of a gram.
  • (d) One-hundredth of a gram.

142. Thiamin deficiency can cause:

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

143. Riboflavin and folic acid can be destroyed by:

  • (a) Light.
  • (b) Cool temperatures.
  • (c) Bacteria and viruses.
  • (d) Microwave cooking.

144. Which vitamin turns the color of urine yellow?

  • (a) Thiamin.
  • (b) Riboflavin.
  • (c) Niacin.
  • (d) Pyridoxine.

145. Biotin deficiency is:

  • (a) Common.
  • (b) Uncommon.
  • (c) Rare.
  • (d) Very rare.

46. Adequate intake of pantothenic acid is set at:

  • (a) 1.2 mg.
  • (b) 1.2 mcg.
  • (c) 1.2 g.
  • (d) 5 mg.

147. Excessive folic acid intake can mask a deficiency of:

  • (a) Cobalamin.
  • (b) Niacin.
  • (c) Riboflavin.
  • (d) Thiamin.

148. Synthetic folic acid is about:

  • (a) Half as strong as natural folate.
  • (b) Twice as strong as natural folate.
  • (c) The same strength as natural folate.
  • (d) Worthless compared to natural folate.

149. Homocysteine, which is reduced by several vitamins, is:

  • (a) A needed nutrient.
  • (b) Almost a vitamin.
  • (c) An unhealthy blood constituent.
  • (d) An essential amino acid.

150. The adult RDA for cobalamin is:

  • (a) 2.4 mg.
  • (b) 2.4 mcg.
  • (c) 2.4 g.
  • (d) 24 mcg.

151. The mitochondria:

  • (a) Eliminates excess B vitamins.
  • (b) Eliminates excess vitamin C.
  • (c) Is a harmful metabolic waste.
  • (d) Is where the B vitamins help to make energy.

152. Pyruvate is:

  • (a) Normally made from glucose.
  • (b) An intermediary in energy production.
  • (c) Made into acetyl coenzyme A.
  • (d) All of the above.

153. The electron transport chain is:

  • (a) Used to energize ATP.
  • (b) Used to contract nerves.
  • (c) Used to produce vitamins.
  • (d) A powerful antioxidant.

154. Vitamin C is needed for:

  • (a) Collagen formation.
  • (b) Antioxidant activity.
  • (c) Both (a) and (b).
  • (d) Neither (a) nor (b).

155. To consume the RDA of vitamin C, one must:

  • (a) Eat an apple a day.
  • (b) Eat five servings of fruit and vegetables.
  • (c) Eat plenty of whole grains and meat.
  • (d) Eat five servings of dairy products and whole grains.

156. The storage form of vitamin A in the liver is:

  • (a) Carotenoids.
  • (b) Retinol.
  • (c) Retinyl palmitate.
  • (d) Retinal.

157. Beta-carotene can be split in two to yield two molecules of:

  • (a) Retinal.
  • (b) Retinyl esters.
  • (c) Retinoic acid.
  • (d) Retinol.

158. Vitamin A is needed for:

  • (a) Color vision.
  • (b) Vision in bright daylight.
  • (c) Vision in low light.
  • (d) All of the above.

159. Severe deficiency of vitamin A can cause:

  • (a) Blindness in children.
  • (b) Fuzzy vision in adults.
  • (c) Cataracts.
  • (d) Conjunctivitis.

160. When beta-carotene in supplements is converted to vitamin A:

  • (a) It provides half as much as the same amount of retinol.
  • (b) It provides twice as much as the same amount of retinol.
  • (c) It provides the same amount as retinol.
  • (d) It provides one-twelfth as much as the same amount of retinol.

161. Excess preformed vitamin A from animal products or supplements during pregnancy are known to cause:

  • (a) Yellow skin.
  • (b) Rickets.
  • (c) Birth defects.
  • (d) Scurvy.

162. This form of vitamin D is made in the skin:

  • (a) Calcidiol.
  • (b) Cholecalciferol.
  • (c) Calcitriol.
  • (d) Ergocalciferol.

163. This form of vitamin D is a powerful hormone:

  • (a) Calcidiol.
  • (b) Cholecalciferol.
  • (c) Calcitriol.
  • (d) Ergocalciferol

164. Enough sun can be obtained to produce adequate vitamin D:

  • (a) In ten minutes on the face and hands three times weekly.
  • (b) In thirty minutes of sun on the face, chest, and arms with SPF 8 sunscreen once weekly.
  • (c) Through windows in the winter.
  • (d) Supplemental vitamin D must always be taken.

165. Calcidiol is transformed to calcitriol in:

  • (a) The liver.
  • (b) The kidneys.
  • (c) The skin.
  • (d) The lungs.