When administering oxygen by nonrebreather mask, an oxygen flow rate of _____ liters per minute must be maintained

For Sinus Tachycardia, the QRS complex should be less than ________ sec

A) 0.01 B) 0.12 C) 0.18 D) 0.20

A 68-year-old female is hospitalized after a complete knee replacement. The joint becomes hot and red two days after surgery. An aspirate of the joint is sent to the laboratory

Which of the following organisms would be considered a significant isolate from this body site? A) Catalase-positive, coagulase-positive, gram-positive cocci B) Catalase-positive, coagulase-negative, gram-positive cocci C) Catalase-positive, indole-positive, anaerobic, non-sporeforming, gram-positive rod D) A and B E) All of the above