题目内容

Damaged cells release a vasodilator substance called

A. interleukin
B. interferon
C. histamine
D. complement

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Which of the following cells mature in the thymus?

A. T cell
B cell
C. plasma cell
D. natural killer cell

Sensitivity to animal-derived immune serum may lead to a serious condition called

A. serum sickness
B. hay fever
C. Kaposi sarcoma
D. rejection syndrome

An abnormal reactivity to one’s own tissues is called

A. allergy
B. autoimmunity
C. anaphylaxis
D. rejection

Which of the following suffixes means condition of blood?

A. -emia
B. -penia
C. -pemia
D. -enia