68.    During a clinical trial, the examiners will assign group A with the placebo and group B with a new mouthrinse. Both the examiners and participants are unaware of how treatments are assigned. This is an example of a:a.    Single-blind trialb.    Double-blind trialc.    Triple-blind triald.    Quadruple-blind trial

88.    Which of the following methods would be the best way to communicate to the parents the overall oral health needs of their children after the dental screening was complete?a.    Send DMFT index results home b.    Mail brochures of importance of children’s oral healthc.    Send a letter explaining their child’s screening results and their level of urgency for dental care. Sent with a list of dental resources.d.    Call parents directly and report findings  

99.    You bring your tobacco awareness program to the state public health RDH. In attempting to follow the essential services of the public health core functions, the state dental hygienist wants to support and implement programs at all levels of prevention. At which level is your tobacco program?a.    Primaryb.    Secondaryc.    Tertiaryd.    Quaternary 

31.    The lowest rung on the learning ladder is ___________ and the highest rung is____________.a.    awareness, self-interestb.    self-interest, habitc.    unawareness, actiond.    unawareness, habit

23.    The organization that monitors health issues on a global scale?a.    Center for Disease Control and Prevention (CDC)b.    Association of State and Territorial Dental Directors (ASTDD)c.    Environmental Protection Agency (EPA) d.    World Health Organization (WHO)

58.    Funding provided for community oral health programs would be equivalent to which private practice component?a.    Diagnosisb.    Examinationc.    Fee for serviced.    Patient evaluation

23.    The organization that monitors health issues on a global scale?a.    Center for Disease Control and Prevention (CDC)b.    Association of State and Territorial Dental Directors (ASTDD)c.    Environmental Protection Agency (EPA) d.    World Health Organization (WHO)

22.    Which sample type will give the best representation of a population being studied because there is little to no bias with this technique?a.    Randomb.    Systematicc.    Judgmentald.    Convenience

47.    The best example of a reasonable oral health program objective in a preschool setting would be:a.    To improve the dental health of preschoolersb.    To differentiate between healthy and unhealthy foodsc.    To obtain an understanding of the importance of dental cared.    To decrease the overall rate of decay

27.    The best example of a summative evaluation for a sealant program would be:a.    An assessment of infection control after the first day of a week-long health fair clinicb.    The number of permission slips returned by school childrenc.    Assessing patient flow during a school-based sealant program d.    A 1-year assessment of non-cavitated surfaces versus decayed surfaces of previously sealed teeth