____ is an increased amount of fluid or blood in the pericardial sac surrounding the heart.

What portable fire extinguisher rating considers both the toxicity of the extinguishing agent and the toxicity of fumes produced when the agent is applied?

A. Class A rating B. Class B rating C. Class C rating D. Class D rating

Direct thrombin inhibitors include lepirudin and argatroban; they:

a. Require binding to antithrombin to provide their anticoagulant effect b. Are usually monitored using the PT. c. Are used when a patient develops heparin-induced thrombocytopenia d. Bind all serine proteases