A patient has a genetic mutation affecting GLUT1 function. What impact might this have on erythrocyte glucose uptake?

• A. Reduced glucose uptake due to impaired transporter function.
• B. No impact on glucose uptake as GLUT1 is not involved.
• C. Increased glucose uptake due to enhanced transporter function.
• D. Altered glucose metabolism leading to increased energy production.

Answer: (A)