2.  Which vaccine is a toxoid?
| | a. Influenza (Flu) vaccine. |
| | - DTap (Diphtheria, Tetanus, Pertussis).
|
| | - Conjugate vaccine (Pneumococcal).
|
| | - BCG vaccine.
|
3.What contributes to the diversity in the Influenza virus?
| | a.Antigenic drift. |
| | b.Antigenic shift. |
| | c.Segmented RNA. |
| | d.All of the above. |
4. Mutations that occur in the Influenza virus contributeto:
| | a. Antigenic drift. |
| | - Antigenic shift.
|
| c. | Segmented RNA. |
| | d.All of the above.
|
- Exchange of genes between Influenza viruses contribute to:
| | a. Antigenic drift. |
| | b.Antigenic shift. |
| | c.Segmented RNA. |
| | d.All of the above. |
- Which is a thymus independent antigen?
| | a.HA from the Influenza virus. |
| | b.Capsule from Pneumococcus. |
| | c.A-B toxin. |
| | d.All of the above.
|
- Which is a mechanism of how tumor evade the immune system:
| | a.Secretion of TGF-B. |
| | b.Recruitment of Treg. |
| | c.Lack of MHC expression. |
| | d.Lack of tumor antigens. |
| | e.All of the above.
|
- Binding of PD-L1 from the tumor cell to the PD1 receptor on Tcell results in:
| | a.The activation of the T cell. |
| | b.The suppression of the T cell. |
| | c.Production of antibodies. |
| | d.The killing of the tumor cell.
|
- CarT cells are being used as:
| | a.Vaccines. |
| | b.Therapies against tumor. |
| | c.Inhibition of PD-1. |
| | d.Production of antibodies.
|
- To produce CarT cells, the original T cells were isolated fromother donors.
a.True
b.False
