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A Type 1 Hypersensitivity reaction results in the degranulation of which leukocyte? 

Which of the following immunoproliferative diseases arises in the secondary lymphoid tissue:

An excess production of IgM by B Cells that lack CD10 and CD23, along with the presence of cryoglobulins (cold agglutinins) is characteristic of:

Which of the following cells is the antigen presenting cell involved in contact dermatitis?

Match the following Type II hypersensitivity disease with the autoantibody responsible:

A 20 year old patient presents with swollen and painful lymph nodes, fever, and complaints of severe itching. A biopsy of their lymph nodes shows a population of Reed Sternberg Cells (“owl cells”) that are CD30 and CD15 positive. Based on this information, this patient most likely has which immunoproliferative disease: 

Choose the correct interrogative word. ¿ __________ carro compraste?

Choose the correct interrogative word. Yo quiero tomar vino. Y tú _______ quieres tomar?

Choose the correct interrogative word. ¿ ＿＿＿ necesitas estudiar para el examen?

Choose the correct interrogative word. ¿ ____________ es tu habitación, la de la derecha o la de la izquierda?