Questions: Thins the mucus. Relaxes bronchial smooth muscles. Reduces swelling in the upper and lower airway. Used to treat swelling in the nose and sinuses.

The text appears to be a list of therapeutic effects or uses of certain medications, with checkboxes indicating which effects apply to which medications. However, the specific medications are not listed in the text provided.

To answer the question, I will assume that the task is to match the therapeutic effects with the appropriate medications, which are not explicitly given in the text. Here is a possible interpretation based on common medications used for respiratory conditions:

1. Thins the mucus.

   • This effect is commonly associated with expectorants like guaifenesin.
   • The answer is: Guaifenesin.

2. Relaxes bronchial smooth muscles.

   • This effect is typically seen with bronchodilators such as albuterol and salmeterol.
   • The answer is: Albuterol and Salmeterol.

3. Reduces swelling in the upper and lower airway.

   • This effect is often achieved with corticosteroids like fluticasone.
   • The answer is: Fluticasone.

4. Used to treat swelling in the nose and sinuses.

   • This effect is commonly associated with nasal corticosteroids like fluticasone and decongestants like pseudoephedrine.
   • The answer is: Fluticasone and Pseudoephedrine.

In summary:

• Thins the mucus: Guaifenesin.
• Relaxes bronchial smooth muscles: Albuterol and Salmeterol.
• Reduces swelling in the upper and lower airway: Fluticasone.
• Used to treat swelling in the nose and sinuses: Fluticasone and Pseudoephedrine.