A person who acquires specialized knowledge and conforms to the technical and ethical standards of his or her occupation is most appropriately described as a(n):
a. critic
b. apprentice
c. amateur
d. professional
ANSWER: d
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More than 25 percent of all fire department members have a bachelor's degree
a. True b. False
Case Study

Patient was setting off fireworks for a municipal show when a faulty fuse went off too soon, setting off a number of the fireworks before they were supposed to. He lost two fingers on his right hand and his left thumb in the subsequent explosions. What external cause of injury code would be assigned to this patient's chart?
What will be an ideal response?
To ensure safe usage of nitrous oxide for dental personnel, the chairside personnel exposed to nitrous oxide should be checked ________ a year
a. once b. twice c. four times d. twelve times