A 4-month-old infant with exclusive bottle feeding presents with chronic diarrhea, poor weight gain, and alopecia. Physical examination reveals crusted erythematous dermatitis perioral and perianal. Vital signs show HR 118/min, RR 28/min, temperature 37.2°C. Serum albumin is 2.8 g/dL. The child has no respiratory distress or fever. Laboratory evaluation confirms an inherited defect in intestinal micronutrient absorption. Which micronutrient deficiency best explains this clinical presentation?
- A)Copper
- B)Manganese
- C)Iron
- D)ZincGABARITO
- E)Selenium
Explicação
This infant has acrodermatitis enteropathica due to zinc deficiency from impaired intestinal absorption. Zinc is important for wound healing, growth, and numerous metalloenzymes, so deficiency produces diarrhea, alopecia, and periorificial dermatitis. The peri... Ver explicação completa e trilha adaptativa →