22. A new mother is concerned because her baby has a yellowish tint to the skin. The pediatrician explains that this is physiological ______, a common condition in newborns caused by the immaturity of the infant's liver enzymes.
(A) bile duct
(B) jaundice
(C) anemia
(D) arthritis
(E) pneumonia
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統計: A(0), B(6), C(1), D(0), E(0) #3853949
統計: A(0), B(6), C(1), D(0), E(0) #3853949