Microbiology 1. Which is a mechanism use by intracellular Shygella bacteria t o

Question

Microbiology

1. Which is a mechanism use by intracellular Shygella bacteria to travel from inside of host cell to other host cells
   A. type III secretion systems
       B. phagocytosis
       C. transcytosis
       D. apoptosis


2. Serum resistant gram negative bacteria can
     A. use transcytosis to travel from cell to cell
       B. avoid lysis by MAC's
       D. A, B, and C
       E. B and C


3. Match the bacterial mechanism to avoid host phagocytosis with its description
       1. C5a peptidases
       2. leukocydins
       3. M protein, and capsules
       4. Fc receptors      

      A. Destroy proteins that attract phagocytes to the ares of infection
      B.prevent opsonization by antibodies
      C. kill phagocytes
      D.deactivation of C3b, which prevents opsonization

4. Protein G
     A. deactivates C3b
      B.prevents opsonization by complement
      C. prevents opsonization by antibodies
      D.A and C
      E. B and C


5. A mechanism that allows cells to survive phagocytosis involves escaping the lysosome
     A. True
    B. False

Explanation / Answer

1. Type 3 secretary systems.

2. Use transcytosis to travel from cell to cell.

3. Matching -

1 - A

2 - C

3 - D

4 - B

4. Prevents opsonization by antibodies.

5. True

Related Questions

Navigate

• Browse (All)
• Browse M
• Subjects