Question

Which cells constitutively express MHC class I molecules?

• A. Only antigen-presenting cells
• B. Only T lymphocytes
• C. All nucleated cells
• D. Red blood cells

Hint:

Remember: \[ \boxed{ \begin{aligned} \text{MHC Class I} &\rightarrow \text{All nucleated cells} \rightarrow \text{CD8}^{+}\text{ T cells} \text{MHC Class II} &\rightarrow \text{Professional APCs} \rightarrow \text{CD4}^{+}\text{ T cells} \end{aligned} } \]

Answer 1

The Correct Option is C