Exam 2

Question 1

how do we improve ventilation and perfusion matching?

Answer 1

positioning

pursed lip breathing

Question 2

diffusion of gases is dependent upon…

Answer 2

volume of blood flow
amount of RBC (anemia)
structure of hemoglobin

Question 3

3 components to work of breathing are…

Answer 3

compliance, muscular work, airway resistant work

Question 4

which two mechanisms underly the airflow limitation in COPD?

Answer 4

small airways disease

parenchymal destruction

Question 5

what is a drug used for COPD?

Answer 5

beta 2-agonist: bronchodilator

Question 6

3 main ways to treat COPD

Answer 6

facilitate elimination of bronchial secretions
prevent and treat resp infection
increase exercise tolerance

Question 7

two impt symptoms of chronic bronchitis

Answer 7

productive cough, wheezing

Question 8

when does EIA occur?

Answer 8

during first 5-15 minutes of exercise or delayed 6-8 hours

Question 9

major treatment for asthma

Answer 9

bronchodilator = inhaler

Question 10

what is often used to measure lung capacity in asthma?

Answer 10

peak flow meter

Question 11

during asthma, an increase in RR facilitates…

Answer 11

loss of humidification; airway dehydration & cooling

Question 12

during asthma, an increase in RR facilitates…

Answer 12

loss of humidification; airway dehydration & cooling causing release of mast cells, bronchoconstriction, and asthma attack