Final answer:
The question posed is a riddle requiring a humorous answer involving wordplay. A potential answer might include a pun such as 'healing the air-conditioning' or giving 'air support,' playing on the double meanings of the terms in relation to balloons and healthcare.
Step-by-step explanation:
The question "what did doctor bob do with a bunch of sick balloons?" appears to be a prompt for a joke or a riddle rather than an academic question. The answer to such riddles typically involves a pun or a play on words, as they are designed to induce humor through wordplay. The question does not pertain to any factual information that would be associated with standard academic subjects.
Therefore, considering that the question is a riddle, the answer might be something amusing such as "He healed their 'air-conditioning'" or "He gave them air support." Such answers would play on the meaning of words like 'air-conditioning' to mean the state of air inside the balloons or 'air support' as in providing more air to the balloons but also as a play on medical support.
It's important to approach such riddles with creativity while maintaining a friendly and engaging explanation for the student, helping them appreciate the humor and wit within the English language.