Which of the following activates the cytotoxic T cells?
A) interferon
B) interleukin-1
C) interleukin-2
D) interleukin-4
Answer: D) interleukin-4
T-cells mediate immunity by producing chemicals such as interleukin-2 which then stimulates other T-cells to produce toxins which attack the antigen.
Anatomy & Physiology
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Discuss how parathyroid hormone (PTH) maintains normal blood calcium ion concentration
What will be an ideal response?
Anatomy & Physiology
The larger the diameter of a skeletal muscle fiber, the greater the tension it can generate.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
Heparin, histamine, and serotonin are secreted by ____
a. monocytes b. basophils c. macrophages d. eosinophils
Anatomy & Physiology
A capillary has a greater overall cross-sectional area than an arteriole
Indicate whether the statement is true or false
Anatomy & Physiology