Strenuous expiratory efforts in some chronic obstructive pulmonary disease (COPD) patients lim-it the effectiveness of coughing. Why is this so?

a. The accessory muscles of inspiration op-pose the exhalation.
b. All COPD patients have severe abdominal muscle weakness.
c. High expiratory pleural pressures compress the small airways.
d. Strenuous expiration causes the upper air-way to collapse.


ANS: C
In some patients with COPD, the high pleural pressures during a forced cough may compress the smaller airways and limit the cough's effectiveness.

Health Professions

You might also like to view...

A patient with a history of diabetes is confused and irritable. According to family members, he accidentally took too much insulin this morning and did not eat breakfast. Since he is conscious with an intact gag reflex, medical command orders you to administer oral glucose. Which one of the following best represents the indication for the medication?

A) Medical command authorization B) Confusion and irritability C) History of diabetes D) High blood sugar

Health Professions

DRGs were started to provide an incentive for:

a. unnecessary procedures. b. increased procedures. c. decreased use of procedures. d. limiting prescription drug use.

Health Professions

Disadvantages for a practice including a profit center include ________ and ________ issues

Fill in the blank(s) with correct word

Health Professions

Which of the following describes the only instance a user will double-click while using SpringCharts?

A. Opening Patient Chart B. Activating the SpringCharts icon on the desktop C. Deleting patient or insurance information D. None of these

Health Professions