Which of the following BEST describes an extension ladder?
A. Equipped with folding hooks that anchor the ladder over the ridge of a pitched roof
B. Designed to be used as a self-supporting stepladder, equipped with positive locking devices
C. Comprised of a base section and one or more fly sections, can be adjusted to specific length needed
D. Designed with hinged rungs that allow the ladder to be folded so that one beam rests against the other
C
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First Degree Heart Block is caused by:
A) a block at the SA node. B) slow conduction through the AV node. C) a complete block in the ventricles. D) intermittent conduction through the ventricles.
Benefits of professional memberships include all of the following EXCEPT:
A) networking with professionals. B) receiving multiple job offers. C) learning the latest developments. D) taking professional courses.