NUTR 1030 Chp. 12
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
