__________is a trace mineral that may be critical to proper insulin function.

__________is a trace mineral that may be critical to proper insulin function.
 A) Selenium
  B) Molybdenum
  C) Magnesium
  D) Chromium

Q. 2

Which of the following statements is true of phosphorus toxicity?
 A) It occurs when people consume less than 4,000 mg of phosphorus a day.
  B) It results in mineralization of soft tissues such as the kidneys.
  C) It is rarer than phosphorus deficiency.
  D) It causes loss of appetite, anemia, and poor bone development.

Q. 3

_____ is a protein complex that stores iron and releases it only when it is needed.
 A) Transferrin
  B) Ferritin
  C) Hemoglobin
  D) Myoglobin

Q. 4

Which of the following is a similarity between iron and copper?
 A) Both are major minerals required by the body.
  B) Both are absorbed less when their body stores are low.
  C) Both are found in two distinct charged states.
  D) Both are absorbed in the large intestine.

Q. 5

Which of the following statements is true of magnesium?
 A) Magnesium absorption increases when blood levels are high and decreases when blood levels are low.
  B) Magnesium absorption occurs in the large intestine.
  C) The majority of the body's magnesium content is associated with lymph.
  D) The Tolerable Upper Intake Level for magnesium is 350 mg/day for adults.

Q. 6

Osteoblasts are bone cells that:
 A) promote the breakdown of older bone.
  B) release calcium from bone into the blood.
  C) help maintain stable bone mass.
  D) facilitate bone resorption.

Q. 7

Which of the following statements is true of fluorosis?
 A) It is a special concern in small children.
  B) It is caused by fluoride deficiency.
  C) It can be cured by including potatoes and legumes in the diet.
  D) It occurs as a result of consuming large quantities of sugar on a daily basis.

Q. 8

Which of the following statements is true of condensation reactions?
 A) They are required for carbohydrate and triglyceride digestion.
  B) They occur when a chemical bond is broken by the addition of a water molecule.
  C) They occur when sweat evaporates from the skin, taking heat with it.
  D) They join molecules together through the formation of a chemical bond.