The fluid that reduces friction between the lung and the thoracic cage is called the:

A. pleural fluid.
B. visceral pleura.
C. parietal pleura.
D. pleural space.

Answer: A

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A blood pressure of 144/90 mm Hg is considered to be in which of the following ranges?

a. Normal b. Prehypertenion c. Stage 1 hypertension d. Stage 2 hypertension

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The physical status modifier P1 refers to a:

normal, healthy patient. patient with mild systemic disease. patient with severe systemic disease. patient who is not expected to survive without the surgery.

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