NUTR 1030 Chp. 12

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Which of the following foods commonly consumed by children contain higher than normal levels of arsenic?

- apple juice - rice

Iron deficient infants may experience

- Delays in mental functions - Impaired motor function - Improper nervous system development

Select food sources of selenium that could be consumed by a vegan

- baked beans - brazil nuts

To prevent dental fluorosis children should

- Spit out excess fluid - Rinse with water after brushing teeth - Use a pea-sized amount of toothpaste

Which of the following are main dietary sources of fluoride for Americans?

- beer - coffee - shrimp

Which of the following foods contain goitrogens?

- cauliflower - brussels sprouts - cabbage

Which of the following may lead to decreased iron absorption?

- a high calcium meal - taking antacids

Because the heart of a person with anemia has to work harder to circulate oxygen-poor blood throughout the body, overtime anemia can cause

- chest pain - irregular heartbeat - enlarged heart

A person may unknowingly decrease their intake of fluorinated water by

- drinking bottled water - using water filtration systems

What is the function of chromium?

- glucose regulation - enhance effect of insulin

Fluoride is not considered an essential nutrient because

- it is not required for growth and does not sustain life

rich food sources of zinc

- oysters - baked beans - beef roast

Which of the following substances may interfere with iron absorption?

- phytates - polyphenois - oxalic acid

Which of the following are good sources of iron?

- soybeans, boiled - beef liver

Which of the following terms best describes the mineral molybdenum?

- trace - essential

Place the following stages in order by which cells acquire more iron

1. transferrin receptors increase in response to low iron 2. transferrin transports iron 3. transferrin binds to the transferrin receptor

Because vegetarians do not consume meat which provides heme iron, the recommendation for iron intake is up to ____ mg/day for men and ____ mg/day for premenopausal women

14; 32

What is the adult RDA for iodide?

150 mcg/day

Symptoms of iron toxicity may appear as an individual consumes more than ____ mg/day

45

The adults RDA for molybdenum is ____ mcg/day

45

The adult RDA range for zinc is from ____ to ____ mg/day

8; 11

How do zinc lozenges or gel's reduce the severity or duration of cold?

Inhibiting multiplication of the cold virus in the nasal or oral cavity

Match the condition on the left with the description on the right

Keshan- cardiomyopathy common in regions of China Kashin-Beck- degeneration of the cartilage between joints

____ is an important activator of many enzymes that play roles in wound healing, metabolism, bone and cartilage formation and antioxidant function goi

Manganese

Match the stage of iron deficiency with the appropriate description

Stage 1- Iron stores are lower than normal Stage 2- Reduce cognitive function Stage 3- The body forms hypochromic, microcytic red blood cells

Match the stage of iron depletion with its symptoms

Stage 1: Iron depletion- no apparent health problems Stage 2: Iron deficiency without anemia- reduced ferritin level, elevated level of transferrin receptors Stage 3: Iron deficiency anemia- microcytic, hypo-chromic red blood cells, very high level of transferrin receptors

The RDA for iron is highest for

a 30-year-old woman

Iron deficiency is the leading cause of ____

anemia

____ Is a condition in which the body does not have enough healthy red blood cells and oxygen transport in the blood is impaired

anemia

_____ is the major storage form of iron that also helps regulate iron absorption

ferritin

To improve mineralization of bone, individuals at risk of osteoporosis should be sure to consume

fluoride

____ Is an enlargement of the thyroid gland as a result of an iodine deficiency

goiter

As compared to older children, infants and toddlers have ____ needs for iron

greater

The iron-containing structure i myoglobin and hemoglobin is known as ____

heme

A condition caused by the absorption of too much iron that can lead to joint pain, damage to the liver, heart, adrenal glands and pancreas is known as

hereditary hemochromatosis

In the case of Graves' disease, the thyroid gland produces and secretes too much thyroid hormone, causing

hyperthyroidism

A pregnant woman's need for iron ____ during pregnancy

increases

If a cell needs more iron, the amount of transferrin receptors on its membrane ____ and the amount of receptors in the bloodstream ____

increases, increases

Consuming high amounts of the ____ form of arsenic can cause health problems such as cancer

inorganic

Chromium may help with the function of which hormone?

insulin

The trace mineral that is the leading cause of poisoning in children under the age of six is

iron

____ Is a necessary trace mineral for oxygen delivery and immune function

iron

Myoglobin is the ____ protein that binds oxygen in muscle tissue

iron-containing

The type of iron found in plant foods is referred to as

nonheme iron

Which of the following food groups provide the richest source of absorbable iron?

protein

Anemia is a condition where the body does not have enough healthy

red blood cells

Selenium functions within the body as a component of several proteins referred to as

selenoproteins

Dairy products often inhibit iron absorption because

they have a high calcium content

What gland uses iodine?

thyroid gland

____ ____ ____ is the ratio of blood transferrin receptor to ferritin

total body iron

____ minerals perform vital roles in the body although the body only requires consumption of less than 100 mg/day

trace

T/F: Selenium is an antioxidant

true

Which of the following substances may increase intestinal absorption of iron?

vitamin C


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