Serological & Diagnostic Reactions Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Which of the following is NOT true about a virus?

Question 2 2. Which of the following is a protein produced by the immune system to fight infections?

Question 3 3. Which of the following is NOT a way that antibodies can fight infections?

Question 4 4. What is a radioimmunoassay intended to measure?

Question 5 5. Fill in the blank: Radioimmunoassays led to the discovery that _____.

Page 2

Question 6 6. Why are radioimmunoassays a particularly efficient diagnostic tool?

Question 7 7. Which of the following is a downside of polyclonal antibodies?

Question 8 8. The combination of a normal antibody producing B-cell with a cancerous B-cell is called _____.

Question 9 9. Which of the following is TRUE about monoclonal antibodies?

Question 10 10. If a person is fighting an illness, a series of direct agglutination assays may look for what against specific antigens?

Page 3

Question 11 11. What is a foreign substance that activates the immune system?

Question 12 12. What five-legged antibody is particularly efficient in causing agglutination?

Question 13 13. Why do gene probes have an advantage over using traditional culture methods to identify bacteria?

Question 14 14. A doctor is treating a patient with tuberculosis. Why would he want to use a gene probe instead of traditional culturing techniques?

Question 15 15. Which of the following is a use for gene probes?

Page 4

Question 16 16. In immunohistochemistry the proteins are:

Question 17 17. What is an antigen?

Question 18 18. In western blotting the proteins are:

Question 19 19.

Which of the following types of ELISA binds antibody to the plate during the coating step?

I. Direct

II. Sandwich

III. Competitive

Question 20 20. In general, what step follows blocking when performing and ELISA?

Page 5

Question 21 21.

Which of the following ELISAs uses two different antibodies?

I. Direct

II. Sandwich

III. Competitive

Question 22 22. Which of the following BEST explains a PCR primer?

Question 23 23. Which of the following statements about PCR template DNA is TRUE?

Question 24 24. Which of the following are appropriate reagents to add to a human DNA template and PCR buffer to complete the PCR reaction?

Question 25 25. What is the protein used by influenza virus to bind to host cells?

Page 6

Question 26 26. Which of the following is true regarding antigens and antibodies?

Question 27 27. The production of which clonal antibody involves a selection process with cells grown in a special environment?

Question 28 28. A series of dilutions of serum used to determine the smallest amount of serum needed to cause agglutination is called what?

Question 29 29. Which of the following would be a good application for gene probe analysis?

Question 30 30. What is an antibody?

Serological & Diagnostic Reactions Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

UExcel Microbiology: Study Guide & Test Prep  /  Science Courses
Support