A)Dogs and other family pets can be carriers of Streptococcus pyogenes.
B)Diagnosis takes at least 24 hours for the culture results to be reported.
C)Clinically the throat is inflamed and the adenoids and lymph nodes in the neck swell.
D)If treatment is delayed,rheumatic fever may develop.

A)they do not secrete cerumen
B)their tympanic membranes are thinner than in adults
C)their Eustachian tubes are shorter and wider
D)two of these choices

A)a virus
B)Streptococcus pyogenes
C)Corynebacterium pseudoinfluenzae
D)Haemophilus influenzae type B