MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Protein Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Protein-based subunit vaccines initiate T cell-dependent activation of B cells. |
| A. | False |
| B. | True |
| Answer» C. | |
| 2. |
Most viral vaccines are thought to work by which of the following technique? |
| A. | Inducing the production of antigens |
| B. | Inducing the production of cell wall |
| C. | Inducing the production of cytosolic proteins |
| D. | Inducing the production of antibodies |
| Answer» E. | |
| 3. |
The first recombinant vaccine produced targeted the surface antigen of which of the following virus? |
| A. | DENV1 |
| B. | Ebola virus |
| C. | Hepatitis A virus |
| D. | Hepatitis B virus |
| Answer» E. | |
| 4. |
Which of the following is the only way to control pertussis? |
| A. | Antibiotic treatment |
| B. | Heavy medications |
| C. | Accurate diagnosis |
| D. | Vaccination |
| Answer» C. Accurate diagnosis | |
| 5. |
Dengue virus belongs to which of the following category? |
| A. | Lentivirus |
| B. | Coronavirus |
| C. | Filovirus |
| D. | Flavivirus |
| Answer» E. | |
| 6. |
Which of the following is not the way in which antibodies participate in host defense? |
| A. | Opsonization |
| B. | Enhance uptake by phagocytic cells |
| C. | Activation of complement proteins |
| D. | Directly destroy the antigen |
| Answer» E. | |
| 7. |
Antibiotic treatment is very effective in clearing Bordetella pertussis and the disease caused by it. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following is the pathogen of Pertussis? |
| A. | <em>Staphylococcus aureus</em> |
| B. | <em>Salmonella typhi</em> |
| C. | <em>Clostridium botulinum</em> |
| D. | <em>Bordetella pertussis</em> |
| Answer» E. | |
| 9. |
Influenza is a DNA virus that causes respiratory tract infections in mammals and some bird species. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Which of the following toxin does not have ADP-ribosylation activity? |
| A. | Pertussis toxin |
| B. | E. coli heat-labile toxin |
| C. | Cholera toxin |
| D. | Botulinum toxin A |
| Answer» E. | |
| 11. |
The chemical reaction in chemical detoxification should be reversible. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Neutralizing antibodies do not abrogate viral infectivity by which of the following mechanisms? |
| A. | Inhibiting viral uncoating |
| B. | Blocking virus attachment to host cells |
| C. | Inducing the formation of non-infectious viral aggregates |
| D. | Degrading the virus directly |
| Answer» E. | |
| 13. |
In chemically detoxified vaccines the structural epitopes of the pathogen should be destroyed. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
Infection of HIV-1 is initiated by the binding of gp120 to CD4 and a co-receptor on host cells, triggering large scale conformational changes in gp41 that eventually lead to membrane fusion. |
| A. | False |
| B. | True |
| Answer» C. | |
| 15. |
The chemically detoxified vaccines are very efficacious and inexpensive. |
| A. | False |
| B. | True |
| Answer» C. | |