Immunology Exam 1 Multiple Choice questions with verified correct answers 2023

Which of the following can be attributed to Pasteur? a. Discovery of opsonins b. Observation of phagocytosis c. First attenuated vaccines d. Theory of humoral immunity - correct answer c Which WBC is capable of further differentiation in tissues? a. Neutrophil b. Eosinophil c. Basophil d. Monocyte - correct answer d The cells that Metchnikoff first observed are associated with which phenomenon? a. Innate immunity b. Adaptive immunity c. Humoral immunity d. Specific immunity - correct answer a Where are all undifferentiated lymphocytes made? a. Bone marrow b. Spleen c. Thymus d. Lymph nodes - correct answer a Which of the following statements is true of NK cells? a. They rely upon memory for antigen recognition. b. They have the same CD groups as B cells. c. They are found mainly in lymph nodes. d. They kill target cells without prior exposure to them. - correct answer d