Your patient has a normal helper T cell count,but very little helper T cell activity.Which of the following scenarios may explain this observation?
A)She has a mutation in her MHC II proteins making them ineffective.
B)She has low antibody activity.
C)She has a mutation in the gene for perforin and makes an ineffective version of this molecule.
D)She is HIV positive.
E)None of these answers would explain the observations seen in this patient.

Question

Quizplus · Accepted Answer

A mutation in MHC II proteins would impair the ability of helper T cells to recognize antigens presented by antigen-presenting cells, leading to reduced helper T cell activity despite a normal count.

Your Patient Has a Normal Helper T Cell Count,but Very