Answer:
The nurse knows that the most common bacterial pathogen associated with tonsillitis and adenoiditis is Streptococcus pyogenes, also known as the streptococcus bacteria.
Step-by-step explanation:
This bacterium is responsible for a wide range of infections, including strep throat, scarlet fever, and impetigo. It is important for the nurse to educate the patient on the importance of finishing the entire course of antibiotics, as well as the importance of good hygiene, to prevent the spread of this bacteria.