(06.02 HC) As you walk down the hall on the way to class, se…

(06.02 HC) As you walk down the hall on the way to class, several students sneeze. You unknowingly inhale some of the droplets that were expelled when they sneezed, allowing the flu virus to enter your body. Explain the nonspecific immune defenses that the virus must bypass in order to infect a body cell. ( 5 points)

(04.02 HC) The following is an excerpt from the case study “…

(04.02 HC) The following is an excerpt from the case study “It’s All Greek to Me”: “I am sorry to give you bad news. Nikoleta does have anemia but, unfortunately, giving her a high iron formula was exactly the opposite of what should be done. Nikoleta’s disorder has a genetic basis.” Iron is an important structural component of hemoglobin. Explain why this treatment failed and how the true cause of Nikoleta’s anemia was discovered. (5 points)

(06.03 MC) © Image Courtesy of 3DScience.com 2013 The diagr…

(06.03 MC) © Image Courtesy of 3DScience.com 2013 The diagram above shows some of the components of the lymphatic system. The lymph node contains a large collection of cells, labeled A, through which the lymph flows. What is the function of this cluster of cells? (2 points)