Which of these statements regarding the competency operators is FALSE?
a. They must be able to carry out an effective quality assurance program.
b. They must be competent in exposing, processing, and mounting dental radiographs.
c. They must know when to prescribe dental radiographs.
d. They must be able to identify errors that occur on dental radiographs.
c. The dentist prescribes dental radiographs.
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A Gram stain leaves the following organism violet. Which pathogen could this be?
a. Escherichia coli c. Staphylococcus au-reus b. Bacillus anthracis d. Streptococcus pneumoniae
A(n) ____________________ has a short, straight line with the fewest obstructions, such as filters or medication portals.
Fill in the blank(s) with the appropriate word(s).
When a hollow organ is punctured during a penetrating injury to the abdomen:
A. it will bleed profusely and rapidly cause shock. B. it commonly protrudes through the injury site. C. peritonitis may not develop for several hours. D. the abdomen will become instantly distended.
What is usually the main type of fuel present in ground cover fires?
a. heavy b. fine c. light d. course