MT AAB Immunology exam 2023 with 100% correct answers

Which of the following is not an external defense mechanism of natural immunity that provides the human body with a defense against invading microorganisms? Bursa of Fabricius All of the following are external defense mechanisms of natural immunity that provides the human body with a defense against invading microorganisms Skin, mucus, and body fluids Having an elevated temperature during an infection is an example of what type of immunity? Innate immunity Which defense mechanism involves engulfing foreign particles? Phagocytosis Which one plays an important role in making bacteria susceptible to osmotic lysis? Lysozymes Which one of the following is responsible for the nonspecific killing of tumor cells? Natural killer cells Which one of the following is capable of eliciting an immune response? Immunogen Receiving a vaccination is an example of which type of immunity? Artificial active immunity Which immune response is mediated by antibiotics? Humoral immunity