Final answer:
The suffix 'ia' is added to 'pneumon' to form 'pneumonia,' indicating a condition where the alveoli are inflamed and filled with fluid.
Step-by-step explanation:
The suffix that means 'condition' and is added to the word 'pneumon' to form the word 'pneumonia' is 'ia'. Therefore, the correct answer is 1) ia. Pneumonia is an illness where the alveoli become inflamed and fill with fluid, leading to impaired gas exchange in the lungs. This condition can be caused by various pathogens, with bacteria being one of the most common causes. When describing symptoms and treatment of pneumonia, a cough, chest pain, fever, and difficulty breathing are typical symptoms, while bacterial pneumonia is generally treated with antibiotics.