Set 4 - Vitamins and Minerals - 33 MCQs

Powered by FoodHyme.com

100. Insulin and other proteins can be stabilized with:

  • (a) One sulfur ion.
  • (b) Monosulfide bridges.
  • (c) Trisulfide bridges.
  • (d) Disulfide bridges.

101. Iron is needed for:

  • (a) Transport of oxygen in blood.
  • (b) Storage of oxygen in muscles.
  • (c) Energy production in the electron transport chain.
  • (d) All of the above.

102. Which is NOT part of the electron transport chain?

  • (a) Succinate dehydrogenase.
  • (b) Pyruvic acid.
  • (c) Iron-sulfur proteins.
  • (d) Cytochromes.

103. Iron catalyzes reactions that turn hydrogen peroxide into:

  • (a) Carbon.
  • (b) Nitrogen.
  • (c) Water.
  • (d) Iron.

104. In response to an infection, iron in blood:

  • (a) Is decreased.
  • (b) Stays the same.
  • (c) Is increased.
  • (d) Is greatly increased.

105. Which can interfere with iron absorption?

  • (a) Calcium.
  • (b) Zinc.
  • (c) Vitamin A.
  • (d) Copper.

106. Which group is NOT at risk for iron deficiency anemia?

  • (a) Pregnant women.
  • (b) Children between 6 months and 4 years of age.
  • (c) Adolescent girls.
  • (d) Adults over 50 years of age.

107. Which form of iron is used in transport?

  • (a) Ferritin.
  • (b) Hemosiderin.
  • (c) Transferrin.
  • (d) None of the above.

108. Lowered absorption of iron is caused by:

  • (a) Vitamin C.
  • (b) Phytates.
  • (c) Low iron stores in the body.
  • (d) Fermented foods.

109. Iron absorption is NOT reduced by:

  • (a) Wine.
  • (b) Coffee.
  • (c) Lettuce.
  • (d) Tea.

110. Which form of iron found in supplements is poorly absorbed?

  • (a) Ferrous fumarate.
  • (b) Ferrous ascorbate.
  • (c) Ferrous gluconate.
  • (d) Ferrous sulfate monohydrate.

111. Most of the zinc in the body is found in:

  • (a) The pancreas.
  • (b) The liver.
  • (c) Skeletal muscle and bone.
  • (d) The brain.

112. Proteins with zinc finger-like structures are important for all of the following EXCEPT:

  • (a) Energy production.
  • (b) Regulation of the hormone testosterone.
  • (c) Retinoic acid activity in the eye.
  • (d) Vitamin D activity.

113. Very high intakes of zinc can interfere with:

  • (a) Magnesium absorption.
  • (b) Copper absorption.
  • (c) Vitamin A absorption.
  • (d) Vitamin E absorption.

114. Signs of childhood zinc deficiency are:

  • (a) Increased susceptibility to infectious diarrhea.
  • (b) Increased susceptibility to infections.
  • (c) Failure to grow.
  • (d) All of the above.

115. The lowest content of dietary zinc is found in:

  • (a) Fruit.
  • (b) Legumes.
  • (c) Dairy products.
  • (d) Meats.

116. Phytates in grains and beans:

  • (a) Increase the bioavailability of zinc.
  • (b) Decrease the bioavailability of zinc.
  • (c) Do not affect the bioavailability of zinc.
  • (d) None of the above.

117. Zinc can enter the intestines from all of the following EXCEPT:

  • (a) Pancreatic juices.
  • (b) Intestinal cell secretions.
  • (c) Gall bile.
  • (d) Food intake.

118. Metallothionein:

  • (a) Can bind zinc for later absorption.
  • (b) Can bind copper.
  • (c) Is found in intestinal cells.
  • (d) All of the above.

119. The best form of supplemental zinc is:

  • (a) Zinc gluconate.
  • (b) Zinc acetate.
  • (c) Zinc picolinate.
  • (d) Zinc sulfate.

120. The upper level of intake (UL) for adults for zinc is:

  • (a) 5 mg.
  • (b) 20 mg.
  • (c) 40 mg.
  • (d) 60 mg.

121. Which form is found in food?

  • (a) Iodine.
  • (b) Iodide.
  • (c) Thyroxine.
  • (d) Triiodothyronine.

122. Iodide, in thyroid hormones, controls:

  • (a) Growth.
  • (b) Reproduction.
  • (c) Metabolism.
  • (d) All of the above.

123. Iodine deficiency during pregnancy can cause:

  • (a) Beriberi.
  • (b) Cretinism.
  • (c) Pellagra.
  • (d) The flu.

124. Selenium works in glutathione peroxidase to convert:

  • (a) Hydrogen peroxide to water.
  • (b) Superoxide to hydrogen peroxide.
  • (c) Thyroxine to triiodothyronine.
  • (d) Glucose to water.

125. Selenium is found in high levels in:

  • (a) Broccoli.
  • (b) Green beans.
  • (c) Brazil nuts.
  • (d) Strawberries.

126. Copper protects red blood cells against oxidation in:

  • (a) Vitamin C.
  • (b) Vitamin E.
  • (c) Glutathione peroxidase.
  • (d) Superoxide dismutase.

127. Manganese toxicity is:

  • (a) Rare.
  • (b) Somewhat common.
  • (c) Common.
  • (d) A widespread problem.

128. Which mineral helps reduce dental decay?

  • (a) Zinc.
  • (b) Fluoride.
  • (c) Manganese.
  • (d) Chromium.

129. Chromium enhances the effects of:

  • (a) Serotonin.
  • (b) Insulin.
  • (c) Adrenaline.
  • (d) Thyroxine.

130. The healthiest amount of mercury to intake daily in food is:

  • (a) 10 mg.
  • (b) 10 mcg.
  • (c) 1 mcg.
  • (d) 0 mcg

131. Water-soluble vitamins:

  • (a) Are made in the watery parts of the body.
  • (b) Excesses are usually regulated by the kidneys.
  • (c) Are not subject to leaching.
  • (d) Are found in water.

132. Riboflavin is known as:

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