Which of the following statements is NOT true regarding the use of soaps to clean equipment?
a. Soaps act by lowering the surface tension.
b. Soaps work poorly in hard water.
c. Soaps have good bactericidal activity.
d. Soaps can help remove organic material.
ANS: C
Soaps act by lowering surface tension and forming an emulsion with organic matter. Unfortu-nately, soaps have little bactericidal activity and work poorly in hard water. A detergent refers to a substance (usually a chemical agent but sometimes a physical one) applied to inanimate objects that destroys disease-causing pathogens but not spores.
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Total lung capacity and functional residual capacity will ________ in chronic obstructive pulmonary disease (COPD)
a. first decrease and then increase b. not change c. decrease d. increase
In most ARDS patients, PEEP levels below __________ are generally preferred
a. 10 cm H2O b. 15 cm H2O c. 20 cm H2O d. 25 cm H2O
While at the scene, you notice that the patient seems to be experiencing weakness to his upper extremities, while the lower extremity strength is normal. You also note that there are some sensory changes. What possible spine injury type are you seeing?
A) Anterior-cord syndrome B) Central-cord syndrome C) Brown-Séquard syndrome D) Complete spinal cord injury
According to the CPT manual, the correct code for tricuspid valve replacement with cardiopulmonary bypass is ____________________.?
Fill in the blank(s) with correct word