Most foam concentrates are intended to be mixed with ___ percent water
A. 0.1 to 6.0
B. 10 to 25.5
C. 40.5 to 50
D. 94 to 99
D
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The encapsulated Level B suit is sometimes referred to as a ____ suit.
A. Bumble B B. Bound B C. Bubble B D. B minus
Hospital visits are typically made by the physician:
a. once a day b. once, and sometimes twice a day c. every other day d. as needed
It is not uncommon for young females who experience their first menstrual period to:
A. have a falsely positive home pregnancy test result. B. lose up to 500 mL of blood within the first 24 hours. C. experience abdominal cramping, which may be misinterpreted. D. become so emotionally distraught that they contemplate suicide.
Which of the following statements regarding second-degree heart block is correct?
A) Most second-degree heart blocks are transient in nature and resolve in the prehospital setting without the need for intervention in the emergency department. B) Second-degree heart block occurs when an impulse reaching the AV node is occasionally prevented from proceeding to the ventricles and causing a QRS complex. C) More than half of all second-degree heart blocks cause hemodynamic compromise and require transcutaneous cardiac pacing in the prehospital or hospital setting. D) Second-degree heart block is characterized by inconsistent PR intervals, a QRS complex greater than 0.12 seconds, and a ventricular rate less than 40 beats/min.