Which of the following factors is related to periodontal destruction in smokers?
A) Increase in number of periodontal pathogens
B) Decrease in healthy bacteria
C) Reduced vitamin C levels
D) Altered polymorphonuclear leukocyte function
D
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What is the purpose of research design?
What will be an ideal response?
Which one of the following does NOT describe an atrial P wave?
A) It may dip below the isoelectric line. B) It can be flattened or peaked. C) It is uniformly rounded. D) It may be diphasic.
Which of the following anti-TB drugs causes an impairment in green/red color vision?
a. INH b. rifampin c. ethambutol d. pyrazinamide
When an established diagnosis has been determined, the coder must code
A. the coexisting conditions only. B. the established diagnosis and signs and symptoms. C. the established diagnosis. D. the signs and symptoms only.