Question: Tears and mucus membranes would be a part of which defense system?

Answer: innate external defenses

Question: Phagocytotic cells such as macrophages identify a variety of enemies by recognizing markers unique to pathogens. They would be classified as which type of defense system?

Answer: innate internal defenses

Question: What cells make antibodies?

Answer: plasma B cells

Question: What is the name of the unique area (specific region) that a lymphocyte recognizes and binds to?

Answer: an antigenic determinant

Question: What type of immunity can be transferred by bodily fluids from one person to another, thus conferring immunity to the recipient?

Answer: humoral immunity

Question: If a virus attacks a cell, which type of immunity would be activated?

Answer: cell-mediated immunity (cellular immunity)

Question: Cancer cells would be attacked by which of the following cells?

Answer: Cytotoxic T cells

Question: What is the role of helper T cells in the adaptive immune response?

Answer: Helper T cells activate B cells and cytotoxic T lymphocytes to kill infected host cells.

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Question: What is meant by the clonal expansion of a B cell?

Answer: An activated B cell divides into cells that give rise to memory B cells and plasma cells.

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Question: The student who caught the cold caused by this specific Rhinovirus was exposed to the exact same Rhinovirus 18 months later. What component of the immune system will protect her from getting the same cold again?

Answer: