You are called for a patient who has received an electrical shock. When you arrive, you find that the patient has struck a power pole with a motorcycle and has a power line lying across him. Which of the following components of the scene size-up is particularly relevant at this point?
A) Number of patients
B) Mechanism of injury
C) Additional resources
D) General impression
C
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A diastolic blood pressure over ________ mmHg is considered hypertensive
A) 80 B) 90 C) 65 D) 50
While treating a patient involved in a shooting at the patient's vacation home, which of the following actions may interfere with the investigation of a crime scene?
A) Using the patient's phone B) Moving the patient C) Using the bathroom D) All of the above
Which one of the following statements shows that the EMT knows how to properly size an oral airway prior to placement?
A) "It is better to have an oral airway that is too large, rather than one that is too small." B) "To select an appropriately sized oral airway, you must estimate the patient's height and weight." C) "The airway should approximate the distance from the front teeth to the angle of the jaw." D) "An appropriately sized oral airway can be selected by looking in the patient's mouth and estimating the length of the tongue."
Heparin inhibits coagulation by
a. Chelating calcium release from platelet granules b. Catalyzing antithrombin activity c. Neutralizing labile factors V and VIII d. Neutralizing the tenase complex