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