A nurse is teaching a group of parents about infant nutrition.
The nurse explains that iron-fortified infant formula is recommended for infants who are not breastfed because:
Iron is essential for brain development
Iron prevents constipation in infants
Iron enhances immune system function
Iron improves skin color and tone.
The Correct Answer is A
Iron is essential for brain development. Iron helps red blood cells carry oxygen through the body and supports a child’s ability to learn. Iron deficiency can cause anemia, which is when there are not enough red blood cells in the body or the child’s ability to carry oxygen throughout the body is lowered.
Choice B is wrong because iron does not prevent constipation in infants. In fact, iron-fortified formula may cause constipation in some infants.
Choice C is wrong because iron does not enhance immune system function. Iron is important for hemoglobin production, but it does not directly affect the immune system.
Choice D is wrong because iron does not improve skin color and tone. Iron deficiency can cause pale skin, but iron supplementation does not change the natural color or tone of the skin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Hemoglobin level of 11 g/dL.This is within the normal range for a newborn, which is 13.4-19.9 g/dL for the first month.
Hemoglobin is the oxygen-carrying protein in red blood cells.
Choice B is wrong because serum calcium level of 8 mg/dL is below the normal range for a newborn, which is 8.5-10.6 mg/dL for the first month.
Calcium is important for bone health and muscle function.
Choice C is wrong because serum bilirubin level of 15 mg/dL is above the normal range for a newborn, which is less than 12 mg/dL for the first week.
Bilirubin is a waste product from the breakdown of red blood cells.
High levels can cause jaundice, a yellowing of the skin and eyes.
Choice D is wrong because serum sodium level of 130 mEq/L is below the normal range for a newborn, which is 135-145 mEq/L.
Sodium is an electrolyte that helps regulate fluid balance and nerve impulses.
Correct Answer is B
Explanation
Runs with a wide stance.This indicates normal gross motor development for an 18-month-old toddler.Gross motor skills are the abilities to use large muscles for movements such as walking, running, jumping, and climbing.
Choice A is wrong because walking up and down stairs with assistance is a skill that most toddlers can do by 24 months.
Choice C is wrong because kicking a ball forward without falling is a skill that most toddlers can do by 24 months.
Choice D is wrong because jumping in place with both feet is a skill that most toddlers can do by 30 months.
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