Diagnostic thoracentesis can be used to:
a. withdraw a secretion sample from the lung for a sputum smear.
b. withdraw a secretion sample from the lung for a Gram stain.
c. determine the etiology of a pleural effusion.
d. remove air from the pleural space.
C
After the pleural effusion fluid is analyzed, the physician will know its etiology. Then the proper treatment can be done. Bronchoscopy is done to get a secretion sample from the airways. Therapeutic thoracentesis is done to remove air from the pleural space.
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The thymus gland is actually composed of lymphoid tissue and is located in the mediastinal cavity, in front of and above the ________.
A. lungs B. pancreas C. heart D. small intestines
The epidermis is indicated by the letter ____ in the figure of the skin.
A. A
B. C
C. D
D. E
E. F