Respiratory System Drugs

Question 1

3 Important Principles of Respiratory Therapeutics

Answer 1

Control of secretions
Control of reflexes
Maintenance of normal airflow

Question 2

Antitussives

Answer 2

Indicated for chronic, unproductive coughs
Ex. Butorphanol, Hydrocodone, and Temaril-P

Question 3

Expectorants

Answer 3

Increase the volume and fluidity of respiratory secretions
Ex. Guaifenesin

Question 4

Mucolytics

Answer 4

Reduce viscosity of purulent and nonpurulent secretions
Ex. Nebulizer acetylcysteine

Question 5

Bronchodilators and Examples

Answer 5

Reduce bronchospasms by causing expansion of the bronchitis in the lungs
Albuterol-stimulate beta2 receptors in the lung
Theophylline and aminophylline-cause relaxation of smooth muscle in the lungs

Question 6

Other Drugs Used to Treat Respiratory Problems

Answer 6

Antihistamines- cause bronchodilation to help prevent anaphylaxis
Corticosteroids- help with severe inflammation of the airways
Diuretics- help decrease fluid on the lungs
Oxygen administration- helps when pt is unable to maintain normal oxygenation