Gram - cocci

Question 1

Gram – cocci, Arranged in pairs with kidney shaped appearance, diplococci ?

Answer 1

Neisseria

Question 2

What is the Feature of Neisseria meningitidis (meningococcus) ?

Answer 2

1- Capsulated

2- Ferments maltose & glucose with acid

Question 3

What is the virulence factors of Neisseria meningitidis (meningococcus) ?

Answer 3

1- Polysaccharide capsule
2- Outer membrane proteins: (I, II and III) 
3- Lipooligosaccharide LOS(endotoxin)
4- Pilli
5- IgA protease

Question 4

Pilli: Attach to mucosal cells of nasopharynx in the

Answer 4

Neisseria meningitidis (meningococcus)

Question 5

Pili→ adhesion to epithelial cells of urethra, cervix or conjunctiva ?

Answer 5

Neisseria gonorrhoeae (gonococci)

Question 6

severe Headache , Stiff neck , in the ?

Answer 6

Neisseria meningitidis (meningococcus)

Question 7

What is the Treatment Neisseria meningitidis (meningococcus) ?

Answer 7

penicillin G + cephalosporin

Question 8

What is the vaccines of Neisseria meningitidis (meningococcus) ?

Answer 8

1- Polysaccharide tetravalent vaccine (weak)

2- 2- Tetravalent conjugate vaccine

Question 9

Gram negative cocci , Non-Capsulated , Ferments glucose only with acid , sexually transmitted (venereal disease) ?

Answer 9

Neisseria gonorrhoeae (gonococci)

Question 10

What is the virulence factors of Neisseria gonorrhoeae (gonococci) ?

Answer 10

1- Lipooligosaccharides (endotoxin) 
2- Pili
3- Outer membrane proteins (OMPs) 
4- IgA1 proteases 
5- β-Lactamases

Question 11

What is the treatment of Neisseria gonorrhoeae (gonococci) ?

Answer 11

Cephalosporins + Tetracyclines

Question 12

The microscope of Neisseria gonorrhoeae (gonococci) is ?

Answer 12

Gram negative diplococci intracellular in pus cells

Question 13

What is the test of Neisseria gonorrhoeae (gonococci) ?

Answer 13

NO Serological diagnosis