MDCAT Biology MCQ #788

A neonate presents with failure to thrive and jaundice after breastfeeding. Laboratory tests indicate an inability to metabolize a specific monosaccharide found in milk. Which molecule is likely involved?

MDCAT Biology MCQ #788

  1. Question 1

    Q1. A neonate presents with failure to thrive and jaundice after breastfeeding. Laboratory tests indicate an inability to metabolize a specific monosaccharide found in milk. Which molecule is likely involved?

    • A) Glucose
    • B) Galactose
    • C) Fructose
    • D) Ribose

    Answer: Galactose

    Explanation: Galactose is a monosaccharide isomer of glucose found in lactose. Glucose is the primary blood sugar, not the specific milk-derived isomer.