Unknown In a positive tuberculin skin test, helper T cells assist in which of the following ways? A Autocrine-mediated inhibition of proliferation of helper T cells B The down regulation of IL-2 receptors on helper T cells C Secretion of interleukins that promote T cell proliferation D Secretion of IL-I 💡 Explanation In a positive tuberculin skin test, helper T cells assist in which of the following ways? ✓ Correct Answer: C. Secretion of interleukins that promote T cell proliferation