Which microorganism is the most common cause of tonsillitis in adolescents?
A. Epstein-Barr virus
B. Streptococcus pneumoniae
C. Mycoplasma
D. Grp A beta hemolytic streptococcus
ANS: A
Most cases of tonsillitis are diagnosed in school-aged children and adolescents. Tonsillitis involves infection of the tonsils, usually by GABHS, in very young children. However, viral tonsillitis (often associated with EBV) is more common in adolescents. Patients can develop chronic tonsillitis and/or have frequent recurrences of the condition.
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What is the largest organelle, responsible for cell reproduction and control of other organelles?
a. Nucleus b. Ribosome c. Mitochondrion d. Golgi apparatus
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