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The newborn baby differs from the adult in that its 

A. Urine has a lower maximum osmolality. 

B. Urine has a lower minimum osmolality. 

C. Blood–brain barrier is less permeable to bilirubin. 

D. Temperature regulation is more efficient because of brown fat. 

E. Blood has a greater affinity for oxygen at low oxygen pressures.

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A. True Its ability to concentrate urine is poor. 

B. False Its ability to dilute urine is also poor. 

C. False It is more permeable and brain damage can result with high blood bilirubin levels. 

D. False Temperature regulation is poor in the newborn. 

E. True Because of persisting fetal hemoglobin.

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