For each of the descriptions of a biologic function in questions 11-14, select the T cell-derived cytokine (A-E) that matches it
A. Interferon-?
B. Interleukin (IL)-4
C. IL-5
D. Transforming growth factor-?
E. Lymphotoxin
Stimulates growth and activation of eosinophils
ANS: C. Interleukin-5 (IL-5) is secreted by helper T cells of the TH2 subset and promotes inflammatory responses rich in eosinophils. The protective function of eosinophils is against helminth infections, but, more commonly, eosinophils are associated with allergic disease.
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A suffix that means slipping is ________.
Fill in the blank(s) with the appropriate word(s).
Divide: 927.531 ÷ 100
A) 0.092753 B) 0.927531 C) 9.27531 D) 92.7531 E) 0.009275
According to historian J. Carcopino who wrote Daily Life in Ancient Rome, the Romans
A. turned the Colosseum into a torture chamber and human slaughterhouse under the guise of athletics. B. actually enjoyed the massive executions that occurred in the Colosseum. C. were guilty of despicable behavior as a result of the executions that occurred in the Colosseum. D. All of the answers are correct.
Cells left in the bloodstream and the lymphatic system to recognize and respond to any future attacks to the body by a past invader are called:
A. killer and helper T cells. B. memory T and B cells. C. B cells. D. macrophages.