srept.pyogens

Question 1

what’s the most common infection by s. pyogens?

Answer 1

sore throat, follicular tonsilitis

Question 2

what’s the protein responsible for impetigo

Answer 2

M protein 49.57.59-61

Question 3

mention the complications of each local infection of s. pyogens.

Answer 3

1_sore throat,rheumatic fever or acute glomerulonephritis.

2_pyoderma, acute glomerulonphritis.

Question 4

what’s the charactristics of sore throat?

Answer 4

pharyngitis
enlarges tonsils with purulent exudates
high fever and enlarged cervical lymph nodes

Question 5

Erysipelas is caused by? type of infection?

Answer 5

S. pyogens

invasive infection

Question 6

mention the the invasive disease caused by s. pyogens

Answer 6

1_erysipelas.
2_puerperal sepsis
3_soft tissue sepsis «wound inf,cellulitis,necrotizing fasciitis,lymphadenitis»
4_acute bacterial endocarditis.

Question 7

mention the symptoms of acute glomerulonphritis.

Answer 7

edema, urea nitrogen retention, high b. p, low serum compelment level, blood albumin and granular casts are present in urine.

Question 8

what is the cause of AGN?

Answer 8

due to antigen antibody complex deposition on the glomerular basment mem. type3 hypersensetivity reaction.

Question 9

what’s the most compilication of S. pyogens? and M. protein?

Answer 9

ARF

protein types 1.3.5.6.18 and others

Question 10

how can we diagnose scarlet fever?

Answer 10

1_throat swap.
2_Schultz charlton reaction «antibody».
3_Dicks test «toxin».