Although Both Calcium and Iron Needs Increase During Childhood, There

question 9

Multiple Choice

Although both calcium and iron needs increase during childhood, there is also a recommendation that children consume no more than about 3 cups of calcium-rich cow milk each day. The explanation for this recommendation is that

• A) the calcium found in 3 cups of milk is the maximum that can be absorbed each day.
• B) overconsumption of cow milk can displace iron-rich foods from the diet.
• C) consumption of more than 3 cups of nutrient-dense cow milk per day might lead to calcium and iron toxicity.
• D) more than the recommended intake could trigger a cow milk allergy, leading to calcium and iron malabsorption.

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Definitions:

Ribosomes

Cellular structures where protein synthesis occurs, reading mRNA and assembling amino acids into proteins according to the genetic instructions.

Microfilaments

Microfilaments are fine, thread-like protein fibers, composed largely of actin, that are a part of the cytoskeleton in eukaryotic cells, involved in cell movement and shape.

Linker Proteins

Proteins that function to connect the cytoskeleton of a cell to other cell components or to other cells, playing key roles in cell structure and movement.

Glycolipids

Lipid molecules that contain carbohydrate groups, involved in cell recognition and signaling.