A 20-year-old African American woman comes to her physician complaining of bloating, gas, diarrhea, and cramping pain that have occurred approximately 2-3 times per week for the past 2 months

The doctor asks her to keep a diary of her diet and symptoms, which reveals that the symptoms most often occur after ingesting dairy products. The patient most likely has a relative deficiency of which of the following molecules in the brush border of her enterocytes?

A. sucrase/isomaltase
B. SGLT1
C. GLUT5
D. enterokinase
E. GLUT2
F. lactase


ANS: F

Anatomy & Physiology

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Anatomy & Physiology

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Anatomy & Physiology