Which antitussive has a combination of antihistamine and antitussive properties? 2 Points Guaifenesin (Robitussin) Codeine Diphenhydramine (Diphen) Dextromethorphan (Robitussin)When administering guaifenesin (Robitussin) to a patient with bronchitis, the nurse expects that the drug will have what effect? 2 Points Increase the frequency of a nonproductive cough Increase the viscosity of mucus secretions Thin the bronchial secretions Dilate the bronchiolesScenario: A 75-year old male patient was admitted to the hospital with respiratory failure secondary to pneumonia. After several days of being treated with steroids and antibiotics, he has stabilized on 2 liters of oxygen via nasal cannula. He has a history of chronic obstructive pulmonary disease (COPD), congestive heart failure, hypothyroidism, and rheumatoid arthritis, all of which are currently medically managed. The following medications were prescribed for the patient in the scenario. Which ones are used to treat COPD? (Select all that apply) 2 Points Indomethacin (Indocin) Tiotropium (Spiriva) Budesonide (Pulmicort) Spironolactone (aldactone) Levothyroxine (synthroid)