Ch 34 Drugs Affecting The Upper Respiratory

Question 0

Sinusitis

Answer 0

Occurs when the epithelial lining of the sinus cavities becomes inflamed. Is ca. Be caused by bacteria and viruses.

Question 1

What is the physiology of the upper respiratory system

Answer 1

It is composed of the nose, mouth, trachea, pharynx, larynx,and the bronchial tree.

Question 2

Antitussive drugs

Answer 2

Drugs that suppress the cough reflex in many disorders of the upper and lower respiratory tract,including the common cold, sinusitis, pharyngitis and pneumonia they are accompanied by a non productive cough

Question 3

What is the prototype drug of antitussives

Answer 3

Dextromethorphan

Robitussin, pedis care, vicks44 benylin pediatric

Question 4

What is dextromethorphan used for

Answer 4

Non productive cough
Directly affects the cough center in the medulla
Administered orally
Metabolized in the liver
Excreted in the kidneys

Question 5

What are contraindications of antitussives

Answer 5

Chronic coughs resulting from emphysema and asthma

You don’t want to supress these coughs be careful in pt with hepatic and renal failure

Question 6

What are the adverse effects of dextromethorphan

Answer 6

Nausea, vomiting, drowsiness, dizziness, irritability, and restlessness

Question 7

What are drug interactions of dextromethorphan

Answer 7

MAOI, fluxoxetine, quinidine, and sibutramine