It is not clear whether your patient has COPD or asthma. Which of the following characteristics is most closely associated with the diagnosis of asthma?
a. Daily phlegm production
b. Diminished vascularity on the chest radio-graph
c. Low diffusion capacity
d. Reversal of the FEV1 after use of a bron-chodilator
ANS: D
The diagnosis of asthma is favored if the diminished FEV1 obtained on spirometry can be nor-malized after use of an inhaled bronchodilator (reversible airway obstruction).
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To clear an airway of fluid and debris, suctioning should be applied:
a. for as long as needed. b. for no more than 10–15 seconds at a time. c. for no more than 30 seconds at a time. d. as deeply as needed to remove as much fluid as possible.
On the figure of the female reproductive system, number 8 represents the ________.
The ____ hormones acts to turn genes on or off in the nucleus.
A. steroidal B. nonsteroidal C. prostaglandins D. melantonal
Erythropoietin stimulates red blood cell synthesis.
Answer the following statement true (T) or false (F)