Situation: At the well-child clinic of a Rural Health Unit (… | 마이메르시 MyMerci
이 문제가 수록된 문제집PLNE Question Bank 1500 문제집 보기
Nursing Practice II — Maternal and Child Health Nursing
문제

Situation: At the well-child clinic of a Rural Health Unit (RHU), the nurse sees toddlers aged 12 to 36 months with their parents. The mother of a 20-month-old says he "eats almost nothing" at meals. He drinks about five 240-mL bottles of cow's milk a day, including one at bedtime, and his palms look pale. His weight has followed the 25th percentile. What is the MOST likely explanation for his poor appetite?

해설
About 1,200 mL of milk a day is far more than the limit of about 480 to 720 mL for toddlers. The milk fills him up, displaces iron-rich foods, and is low in iron, and his pale palms suggest iron deficiency. Physiologic anorexia is normal in toddlers but does not explain pallor or this milk intake.
같은 주제 다음 문제Situation: A nurse from the Rural Health Unit (RHU) makes postnatal home visits to healthy…이 문제가 수록된 문제집PLNE Question Bank 150014,000원 · 무료 체험 가능

심화 해설

Clinical interpretation
This toddler is drinking roughly 1,200 mL/day of cow’s milk, which is well above the usual upper limit of 480–720 mL/day for this age. That volume is enough to blunt hunger for meals, and cow’s milk is both low in iron and a source of calcium that can reduce absorption of non-heme iron from the rest of the diet. The pale palms add an important clue: they suggest iron deficiency, which is not explained by a normal food jag or by physiologic anorexia alone.


Why excess milk suppresses appetite
Milk is energy-dense and liquid, so it distends the stomach and produces satiety without requiring chewing or a varied diet. When a toddler consumes five 240-mL bottles daily, the total fluid and calorie load leaves little room for iron-rich foods such as meat, legumes, fortified cereals, and leafy vegetables. The milk is not simply adding calories; it is displacing the foods that would supply bioavailable iron. Over weeks to months, this pattern can produce iron-deficiency anemia even when growth remains near the 25th percentile, because weight can be maintained by milk calories while micronutrient stores become depleted.


Why pallor matters
Pale palms in a toddler with very high milk intake should raise suspicion for iron-deficiency anemia. The case report by Gotou and colleagues describes a 16-month-old girl with excessive cow’s milk intake who presented with conjunctival pallor and severe microcytic hypochromic anemia, with hemoglobin of 2.6 g/dL and low ferritin [1]. Although that is an extreme presentation, it illustrates the same mechanism: chronic high milk consumption limits iron intake and can lead to clinically visible pallor. In the clinic scenario, the pale palms are a physical finding that points toward iron deficiency rather than a benign feeding phase.


Differential diagnosis
FindingSupportsDoes not support
Poor appetite at mealsExcess milk displacing solidsFood jag alone, because intake is not limited to one food group
Five 240-mL bottles dailyMilk volume far above toddler limitPhysiologic anorexia, which does not require this intake
Pale palmsIron deficiency from low-iron, high-calcium dietEarly childhood caries, which would more likely cause pain or refusal of specific textures
Weight at 25th percentileMilk calories can preserve weightSevere acute malnutrition or growth faltering as the primary issue


Mechanism of iron deficiency with cow’s milk
Cow’s milk contains minimal bioavailable iron, and its calcium and casein content can inhibit intestinal absorption of non-heme iron from other foods eaten at the same meal . In addition, early and high-volume cow’s milk intake may cause microscopic gastrointestinal blood loss in some infants and toddlers, which further depletes iron stores. The combination of low iron content, reduced absorption, and possible occult blood loss makes excess milk a triple risk for iron-deficiency anemia. Paoletti and colleagues found that severe iron-deficiency anemia remains a problem in toddlers and is associated with excess milk consumption, even after public health efforts reduced anemia in younger infants .


Why the other options are less likely
A food jag is a normal toddler behavior in which a child temporarily refuses a previously accepted food, but it does not explain drinking five bottles of milk daily or having pale palms. Early childhood caries can reduce intake when chewing hurts, but the history does not mention pain, caries, or difficulty with specific textures, and caries would not directly cause pallor. Physiologic anorexia is a normal slowing of appetite as growth velocity decreases in toddlerhood, but it is a diagnosis of exclusion and does not account for the excessive milk volume or the physical finding of pale palms. Key point! When a toddler has poor solid intake plus very high milk consumption plus pallor, the priority is to identify excess milk as the driver of iron deficiency rather than assuming a benign developmental phase.


Clinical application
Nursing assessment should quantify total daily milk volume, ask about bedtime bottle use, and review the timing of milk relative to meals. Reducing milk to no more than 480–720 mL/day and offering iron-rich solids before milk can improve appetite and iron status. A bedtime bottle should be discouraged because it contributes to the daily milk total and increases caries risk. Laboratory evaluation for iron deficiency, including hemoglobin, ferritin, and iron studies, may be indicated when pallor is present, especially with a history of prolonged excessive milk intake [1].
References (research sources)
  • [1]
    Severe Iron-Deficiency Anemia and Hypoalbuminemia Associated With Excessive Cow's Milk Intake Driven by a Strong Belief in the Health Benefits of Cow's Milk in a 16-Month-Old Girl: A Case Report.Case reportGotou T, Hagihara T, Wada Y, Hashimoto K, Nagashima F. (2026) · DOI: 10.7759/cureus.101657

임상 시나리오

Toddler Excessive Milk Intake and Iron DeficiencyRecognizing milk displacement as a cause of poor appetite and pallor

For toddlers aged 12–36 months, cow's milk should be limited to 480–720 mL/day. Intake above this level, such as 1,200 mL/day, suppresses appetite and displaces iron-rich foods from the diet.

Cow's milk is low in iron and high in calcium, which can reduce absorption of non-heme iron. Over time, this pattern leads to iron-deficiency anemia, even when weight remains on the growth curve.

Pale palms in a toddler with very high milk intake should raise suspicion for iron deficiency. Assess hemoglobin and ferritin levels, and counsel caregivers to reduce milk to 480–720 mL/day while increasing iron-rich solid foods.

Caution

Do not dismiss poor appetite as physiologic anorexia or a food jag when pallor or excessive milk intake is present. These signs warrant evaluation for iron-deficiency anemia and dietary modification.

핵심 개념

PNLE Question Bank 1500 1,500 문제 · 로그인 없이 바로 볼 수 있어요

마이메르시로 국가고시 완벽 대비

기출문제와 상세 해설을 무료로. 내 약점을 분석하고 진도를 관리하며 더 똑똑하게 공부하세요.

무료로 시작하기

학습 참고용입니다. 실제 임상은 최신 지침과 소속 기관 프로토콜을 따르세요.