The nurse is cаring fоr а 3-week-оld infаnt with pylоric stenosis who has been experiencing projectile vomiting for the past 24 hours. The infant appears lethargic with normal respirations. Which arterial blood gas (ABG) result should the nurse anticipate? Normal acid-base levels (pH (7.35-7.45), PCO2 (35-45 mmHg), HCO3 (21-28 mEq/L)