chapter 13
all of the following enhance absorbption of iron except
absodrbed better from supplements than food
Research studies suggest that chromium may decrease the risk of developing
diabetes
The most common cause of the iodine deficiency is
insufficient intake of iodine from foods.
Which of the following trace minerals is recycled back into the pancreas to be incorporated into pancreatic digestive juice?
selenium
Which of the following is an important function of the selenium?
Antioxidant inhibiting the formation of the free radicals
Which of the following statements about the selenium is not true?
Selenium has no known toxicity symptoms.
All of the following statements regarding the iron are true except
Storing large amounts of iron is beneficial for the body and reduces the risk of infections.
Once absorbed, copper is bound to the ________ for transport.
albumin
Which of the following is a not characteristic of the zinc deficiency?
anemia with small red blood cells
The oxidation of iron from the ferrous form to the ferric form requires a metalloenzyme containing _________.
copper
Which of the following minerals is a cofactor in the formation of the hemoglobin?
copper
Because the iron absorption is so tightly regulated, iron overload in the body is impossible.
false
Consumption of the chromium can increase a lean body mass and reduce the body weight.
false
which of the following compounds provides a major storage reservoir for iron
ferritin
Along with calcium and vitamin D, ________ may increase bone density and reduce the osteoporosis.
fluoride
which of the following foods is best iron source
hamburger
iron overload is also called as the
hemochromatosis
Once ferritin is saturated with iron, additional iron can be stored as ________. A) ferroportin B) hemoglobin C) transferrin D) hemosiderin
hemosiderin
Chromium deficiency is characterized by
high blood sugar
All of the following trace minerals are integral to the structure of the metalloenzymes except
iodine
which of the following would be the most appropriate source of the iodide for a person who lives inland?
iodized table salt
the most abundant trace chemical is
iron
which of the following is a trace mineral
iron
which of the following trace minerals has an adult rda that is higher for women than men
iron
Which are the two trace minerals that the vegetarians may have a higher need for?
iron and zinc
Which of the following is a prominent feature of mild iodine deficiency in children?
lower iq and poor performance in school
According to one Canadian study, children who drank tap water with naturally high levels of manganese experienced what symptom?
lower iq scores
Which of the following minerals carries the highest risk of the toxicity from consumption in the foods and water ?
manganese
in glucose metabolism, the conversion of pyruvate to oxaloacetate in the TCA cycle requires presence of which mineral
manganese
Which of the following represents the most reliable dietary source of the zinc?
meat and shellfish
which of the following is true of iron in body
most of iron in body is recycled
Which of the following the food groups is abundant in copper?
organ meats, seafood, nuts, seeds
all of the fallowing are trace minerals except potassium
potassium
n which of the following types of the individuals is copper deficiency most likely to occur?
premature babies entirely fed with formula
Functions of trace minerals include all of the following except
providing energy
Which of the following is the richest source of iodine?
seafood
which of the folloiwing is true about the trace minerals
the amonts in the food are dependent on soil composition
all of the following are true of trace minerals except
they can be destroyed by cooking
Both deficiency and toxicity of iodine, can cause thyroid dysfunction. and its enlargement (Goiter)
true
Fluoride is not essential for normal growth and development of the teeth & bones
true
Generally, only the young children are at risk of developing the fluorosis.
true
In the US, bleeding contributes the most to iron loss in the body
true
Treated tap water is the best source of fluoride in the diet.
true
All of the following decrease the iron absorption except
vitamin c
taste and smell perception are associated with which mineral?
zinc