ch 13
Iron deficiency in children is likely to result from a diet that overemphasizes A. milk. B. cereals. C. vegetables. D. dried beans.
A
One of the thyroid gland hormones is called A. thyroxine. B. goitrogen. C. thiostimulating hormone. D. tissue stimulating hormone.
A
What is the most reliable source of dietary fluoride? A. Public water B. Dark green vegetables C. Milk and milk products D. Meats and whole-grain cereals
A
Which of the following compounds provides a major storage reservoir for iron? A. Ferritin B. Myoglobin C. Transferrin D. Hemoglobin
A
Which of the following is a characteristic of the trace minerals? A. A deficiency sign common to many trace minerals is dermatitis B. The amounts in foods are dependent, in part, on soil composition C. Deficiencies are more difficult to recognize in children than in adults D. The amount of all trace minerals in the average person totals approximately 100 grams
B
Which of the following is a feature of copper nutrition? A. Absorption efficiency is similar to that of iron B. It is involved in collagen synthesis and wound healing C. Soft water may provide significant amounts in the diet D. Deficiency is common in children of Middle East countries
B
Which of the following is a property of selenium in nutrition? A. It participates in the functioning of insulin B. Severe deficiency is associated with heart disease in China C. Significant food sources include dairy and unprocessed vegetables D. It has no RDA but the estimated safe and adequate dietary intake is only 2-3 mg/day
B
Which of the following is the richest source of iodine? A. Corn B. Seafood C. Orange juice D. Cruciferous vegetables
B
Which of the following minerals functions primarily in reactions that consume oxygen? A. Zinc B. Copper C. Chromium D. Molybdenum
B
Approximately how many people worldwide are thought to be affected by iron-deficiency anemia? A. 1 million B. 100 million C. 1.6 billion D. 3.5 billion
C
As far as is known, what hormone is dependent upon chromium for optimal activity? A. Renin B. Gastrin C. Insulin D. Antidiurectic hormone
C
Goiter is caused primarily by a deficiency of A. iron. B. zinc. C. iodine. D. selenium.
C
What is the primary function of the thyroid hormones? A. Precursors for hemoglobin synthesis B. Counteract a deficiency of goitrogens C. Control the rate of oxygen use by cells D. Regulate acetylcholine concentrations in the central nervous system
C
Which of the following foods provides iron in the most absorbable form? A. Rice B. Spinach C. Chicken D. Orange juice
C
Why are hemoglobin and hematocrit tests of limited usefulness in the assessment of iron status? A. They are expensive to perform B. They are notoriously inaccurate C. They are late indicators of iron deficiency D. The range of normal value is usually wide
C
The most common cause of iron overload is A. an injury to the GI tract. B. a genetic predisposition. C. excessive use of iron cookware. D excessive use of iron supplements.
B
A child diagnosed with iron-deficiency anemia would most likely benefit from increasing his or her consumption of A. milk. B. red meat. C. fresh fruits. D. yellow vegetables.
B
What is the oxygen-carrying protein of muscle cells? A. Transferrin B. Myoglobin C. Hemoglobin D. Cytochrome
B
Deficiency of which of the following minerals is associated with retarded growth and sexual development in children? A. Iron B. Zinc C. Iodine D. Chromium
B
Which of the following population groups is least susceptible to iron-deficiency anemia? A. Older infants B. Children 2-10 years of age C. Women of childbearing age D. Men 20-45 years of age
D
What iron-containing compound carries oxygen in the bloodstream? A. Ferritin B. Myoglobin C. Transferrin D. Hemoglobin
D
What is hepcidin? A. A factor in meats that enhances iron absorption B. An intestinal mucosa protein that assists in iron turnover C. A substance in legumes that interferes with iron absorption D. A liver-derived hormone that helps regulate iron absorption and transport
D
What is the primary mechanism associated with the role of fluoride in prevention of dental caries? A. Fluoride increases calcium absorption, which increases crystal formation of teeth B. Decay is inhibited due to neutralization of organic acids produced by bacteria on the teeth C. Decay is reduced due to the inhibitory effects of fluoride on growth of bacteria on the teeth D. Fluoride becomes incorporated into the crystalline structure of teeth, making them less susceptible to decay
D
Which of the following nutrients enhances iron absorption from the intestinal tract? A. Biotin B. Calcium C. Vitamin D D. Vitamin C
D