• For each question, please read the corresponding section in your text as well as one other source [there is an A&P text in the library on open reserve], citing them at the end of each question [i.e. question #1 your answer here. Citations: A& P by Stephen, Seeley and Tate & Nutrition Now by Brown question # 2 your answer here. Citations: A& P by Stephen, Seeley and Tate & Human Physiology by Guyton, question #3 etc. You get the idea; I should be seeing the same textbook for each question. ] Your citations may include websites, or journal articles. If you use a journal article, include FULL bibliography.

• All answers must be typed and include the original question at the beginning.

• You must follow these directions if you want to achieve upper division credit

Define active and passive immunity, and indicate an example of each. What differences can you describe between active and passive immunity?
• Consider the actions of the following defensive cells or chemicals: macrophage, B cell, killer T cells, interferon and antibodies. Consider the uses of the following common items: can opener, glue, phone book, garbage disposal and spark plug.Match each cell or chemical to one of the common items listed and explain the analogy.
• Exposure to tobacco smoke causes cilia to become immobile and perhaps to degenerate.Why might this explain why tobacco smokers have an increased incidence of respiratory infections?[remember this is referring to immunity – so you don’t have to get into too much detail about the respiratory system].