Lab Assignment – Lovin’ the Antibodies (12 points) So…in lecture, we’ve been stu

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Lab Assignment – Lovin’ the Antibodies (12 points) So…in lecture, we’ve been studying specific defenses of the host – ah, the power of antibodies! Antibody-antigen interactions are the bases for many, many diagnostic tests. We’ll explore a few in this assignment. First, the Rapid A Strep Test is a common clinical test – anyone ever had Strep throat? Check out the following website, work through the simulation, and answer the questions below. (6 points) http://learn.chm.msu.edu/vibl/content/rapidstrep/rapid_strep/index.html 1. Is swab #1 positive or negative? 2. Is swab #2 positive or negative? 3. What disease is this test used to detect? 4. Describe why this test is called a “lateral flow immunoassay”? (Be specific!) 5. Does this test detect antigen or antibody from the patient sample? 6. Would this Rapid A Strep test be considered direct or indirect? Why?

Second, the Strep Latex Agglutination Test is used to identify various strains of Streptococcus. Check out the following website, work through the simulation, and answer the following questions. (6 points) http://learn.chm.msu.edu/vibl/content/latexaglu/Latex_Agglutination_Test/index.html 1. What is a Lancefield group and why do we care? You’ll need to do a bit of extra digging to answer this question…but, please do not copy and paste from Wikipedia, or any other internet site! 2. Who proposed them? 3. What "group" is sample 1? You have to do the controls first. Then, use the key on the left-hand side of the screen to interpret the results. 4. What "group" is sample 2? You have to do the controls first. Then, use the key on the left-hand side of the screen to interpret the results. 5. What component in solutions A, B, C, F, and G allows this test to work - Be specific! 6. Describe why this test is called an agglutination reaction.

Please answer all the assignment questions!

Explanation / Answer

a strep throat is a disease which makes the soar throat with fever caused by the streptococcal infection.

rapid strep test is a rapid antigen detection test that is widely used in clinics to assist in diagnosis of bacterial phyrangitis caused by group a streptococci.

swab is positive negative. depends on the test. for herpes it gets positive.

swab test is saliva testing to screen the diseases like cishing ,anovulation, hiv cancer, hypogonadism and many allergies.

this test detcects the anti bodies for various antigens like it detcts the hiv antigen.

it is a family of streptococcaceae which is created by rebecca lancefield .lacto bacillus and and sterptococus are main .

please dont send any links in questions for more help contact again on chegg

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