The central and peripheral nervous system arise from which germ layer?
A) endoderm
B) philoderm
C) mesoderm
D) ectoderm
D
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Which of the following choices is NOT true of massage over an injection site?
a. It may increase drug absorption. b. It may decrease drug absorption. c. It should be avoided for 24 hours. d. Sites of frequent injection may develop hardened fascia that respond well to fric-tion, as long as the 24-hour rule is respected.
A female patient with osteoporosis stepped sideways on her foot and has suffered an open tibial fracture to the distal portion of her right leg. Which one of the following interventions indicates that appropriate care is being given for this injury?
A) The protruding bone is gently replaced back under the skin. B) The bone end and soft-tissue wounds are covered with a sterile dressing. C) A pressure dressing is tightly applied to the open wound prior to splinting. D) The AEMT cleans dirt from within the wound and off the bone prior to splinting.