Ambika Singh Dr. Fagan Immunology 9/17/14 Extra Credit Multiple Choice Questions 1. Which of the following apply to innate or nonspecific immune responses? a. Rapid response (hours) b. Limited specificity c. Constant during response d. All of the abo

3703, Disc 10 A woman was seen in a rheumatology clinic with stiff painful joints in her hands which were worse first thing in the morning. Other symptoms included fatigue, a low-grade fever, weight loss, and a nonspecific rash on her face and chest.

1. Cross-linking of Ig by angen is essenal, but not always sufficient to iniate the signal cascade for B cell acvaon. Involvement of the B cell co-smulator is also needed for acvaon and differenaon of naïve B cells. a. What is the cosmulatory

3703 Discussion 4 1. Describe the 5 molecular mechanisms that contribute to diversity. 2. Give the immunoglobulin gene rearrangements that occur at the DNA level. 3. Describe differential RNA splicing. 4. Which B cell changes result from differential

 Compare what happens to Gram-posive and Gram-negave bacterial cell at each step of the Gram-staining procedure Steps Gram Posive Gram Negave Basic Stain Stained purple Stained Purple Mordant Fixes the purple dye to the cell wall nothing Decolor