Electrical impulses of the cardiac cycle produce a series of waves with peaks and valleys on an electrocardiogram that are called ________.
Fill in the blank(s) with the appropriate word(s).
deflections
The peaks and valleys that appear on an electrocardiogram are electronic deflections.
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Which of the following represents the correct sequence for controlling hemorrhage from an extremity?
A) Direct pressure on the dressing and wound, finger pressure through the dressing to the leaking vessel, and, if pressure fails, application of a tourniquet B) Direct pressure on the dressing and wound, elevation, ice C) Finger pressure through the dressing to the leaking vessel, splinting, ice, elevation D) Direct pressure on the dressing and wound, elevation, ice, tourniquet as a last resort
Which statement made by an EMT with whom you are working for the first time shows he understands the use of the pocket mask?
A) "Although the pocket mask is very effective at ventilating a patient, the EMT is directly exposed to secretions from the patient." B) "In comparison to the bag-valve mask, the pocket mask can deliver just as good, if not better, tidal volume." C) "When using the pocket mask to ventilate a patient, the EMT must make sure that the reservoir bag is in place." D) "The EMT must remove the oral airway and replace it with a nasal airway when ventilating with a pocket mask."
Which of the following drugs should not be given together with lovastatin (Mevacor)?
a. penicillin b. clarithromycin c. metronidazole d. ibuprofen
Nasopharyngeal culture collection may be used to diagnose:
A) Salmonella infection B) Shigella infection C) whooping cough D) Cryptococcus infection