The gastric pH of the newborn is:

B

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A Incorrect. The gastric pH of the adult is more acidic than the newborn.
B Correct. The gastric pH of the newborn is higher (more alkaline) and gradually decreases (becomes more acidic) to reach adult levels around 2-3 years of age.
C Incorrect. The gastric pH of the newborn is not about the same pH as throughout the life cycle, it is more basic (alkaline).
D Incorrect. The gastric pH of the newborn is not in a state of constant change from alkaline to acidic, instead by age 2-3 years of age goes from alkaline to acidic and remains acidic.