Which of the following is true regarding a hemothorax?
A) It is caused by air in the pleural space.
B) There is significant concern for infection.
C) Blood in the pleural space limits proper gas exchange.
D) There is always an associated abdominal injury.
C
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Aldosterone is essential for regulating electrolyte and ________ balance by promoting sodium and chloride retention and potassium excretion
a. water b. hormone c. blood sugar d. chemical
1 lb = ________ oz (household)
A) 10 B) 12 C) 14 D) 16
The primary electrical power supply that is connected at a fire detection and alarm system dedicated circuit branch must be mechanically protected and:
A. marked in red B. marked in green C. accessible to any individual D. identified with removable labels.
Which gas is used to test the physiologic effectiveness of the alveolary-capillary membrane?
a. N2O c. CO b. O2 d. CO2