Baby Ming is learning to crawl. He also likes to pull himself onto window sills,
ID: 3511655 • Letter: B
Question
Baby Ming is learning to crawl. He also likes to pull himself onto window sills, gnawing on the painted wood of his century-old home as he looks out the windows. Lately his mother, an anatomy and physiology student, has noticed some odd behavior and took Ming to the pediatrician. Blood work determined that Ming had a high level of lead in his blood, ingested from the old leaded paint on the window sill. The doctor indicated that lead poisoning is a type of demyelination disorder. Why should Ming's mother be concerned?
Explanation / Answer
In this case, lead is causing demyelination. Demyelination is a disease in which the myelin sheath of the neurons are damaged. Damage of the myelin sheath can be life threatening also, so Baby Ming mother should be worried as this will impair the nerve impulse conduction in the baby. This also affects the responses as well as growth of the baby.
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