ST segment elevation of 1 mm or more in these leads is indicative of an inferolateral myocardial infarction
A) V3, V4, V5, V6
B) aVR, aVL, aVF
C) V2, V3, V4
D) II, III, aVF, V5, V6
D
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You and your partner respond to a residence for a fall. You arrive to find a group of approximately 30 adults surrounding a middle-aged man who appears to be unconscious. A police car pulls in behind you. You should:
A) leave the area and stage until the scene is cleared of people. B) wait for the police officer to assess the safety of the scene. C) enter the scene ahead of the police officer to provide care. D) have the police officer drag the victim over to the ambulance.
Which of the following is the normal ratio of dead space to tidal volume (VD/VT)?
a. 0.2-0.4 b. 0.4-0.6 c. 0.6-0.8 d. 0.8-1.0
Contrast that is a result of absorption in tissues that vary in thickness and density is:
subject contrast radiographic contrast film contrast inherent contrast
The hospital pharmacy keeps cefazolin 1 gram/50 mL D5W piggyback bags in stock for surgery. Bulk bottles of cefazolin are available as 10 gram powder per vial. The reconstitution instructions state that the final concentration of solution will be 1000 mg per 5 mL if 45 mL of sterile water is added to the vial. How many mLs of cefazolin solution would be required to make eight piggyback bags?