AAPD QE Review Sample Test Questions And Answers 100% Pass
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AAPD QE Review Sample Test Questions
And Answers 100% Pass
How do plaques from caries-active subjects and caries-free subjects compare?
a. Caries-free plaques have significantly higher proportions of Mutans Strep
b. In the caries-active plaques, pH levels of 5.0 or lower may persist for several...
AAPD QE Review Sample Test Questions
And Answers 100% Pass
How do plaques from caries-active subjects and caries-free subjects compare?
a. Caries-free plaques have significantly higher proportions of Mutans Strep
b. In the caries-active plaques, pH levels of 5.0 or lower may persist for several hours after
sugar exposure.
c. Non-cariogenic plaques per unit of plaque protein are slightly more acidogenic than
cariogenic plaques.
d. Streptococcus salivarius of only the caries-active plaques readily convert sucrose to lactic
acid at pH 5 - answer✔b. In the caries-active plaques, pH levels of 5.0 or lower may persist for
several hours after sugar exposure.
2. Which of the following appears to be important primarily in smooth-surface decay?
a. Actinobacillus actinomycetemcomitans
b. Lactobacillus species
c. Streptococcus sanguis
d. Streptococcus sobrinus - answer✔d. Streptococcus sobrinus
3. Critical pH for dissolution of enamel has been shown to be about:
a. 5.0.
b. 5.2.
c. 5.5.
d. 5.7. - answer✔c. 5.5.
4. Epidemiologic evidence suggests which permanent tooth surface is most prone to caries?
d. Occlusal - answer✔d. Occlusal
5. Which best describes the transmission of Mutans streptococci from primary caregiver to
child?
a. Diagonal
b. Horizontal
c. Tangential
d. Vertical - answer✔d. Vertical
6. Which drug is known to induce gingival hyperplasia?
a. Azathioprine
b. Cyclosporine
c. Diazepam
d. Methotrexate - answer✔b. Cyclosporine
7. Under the 2017 classification scheme for periodontal and peri-implant diseases and
conditions, stages of periodontal disease are based upon:
a. age at onset and chronicity.
b. anticipated treatment response.
c. risk of rapid progression.
d. severity and complexity. - answer✔d. severity and complexity.
8. The primary parameter to define gingivitis cases is:
a. bleeding on probing.
b. erythema.
c. loss of stippling.
d. visible plaque. - answer✔a. bleeding on probing
9. Early-onset periodontitis patients having high concentrations of which antibody have
significantly less attachment loss than patients who lack this antibody?
a. IgA
b. IgE
c. IgG
d. IgM - answer✔c. IgG
10. Which type of vaccine is the human papilloma virus vaccine?
a. Inactivated
b. Live-attenuated
c. Recombinant
d. Toxoid - answer✔c. Recombinant
11. Innate immunity differs from other types of immune responses due to:
a. inability to discriminate between a group of related pathogens.
b. increase with repeated exposure to a given pathogen.
c. its presence in all individuals at all times.
d. mediation by clonal selection of antigen-specific lymphocytes - answer✔c. its presence in all
individuals at all times.
12. Acquired immune responses depend upon:
a. granulocytes.
b. lymphocytes.
c. macrophages.
d. polymorphonuclear leukocytes. - answer✔b. lymphocytes.
13. Opsonization is a process in which antibodies contribute to immunity through:
a. activating the proteins of the complement system.
b. binding to and neutralizing the pathogen to prevent cell entry.
c. coating the surface of a pathogen to enhance phagocytosis.
d. lysing microorganisms directly by forming pores in their membranes. - answer✔c. coating the
surface of a pathogen to enhance phagocytosis.
14. Which of the following is a primary organ of the immune system?
a. Bone marrow
b. Lymph nodes
c. Mucosa
d. Spleen - answer✔a. Bone marrow
15. Presence of a positive odds ratio indicates:
a. a particular exposure does not affect the odds of the outcome.
b. a particular exposure is associated with higher odds of the outcome.
c. a particular exposure is associated with lower odds of the outcome.
d. an association between exposure and outcome is statistically significant. - answer✔b. a
particular exposure is associated with higher odds of the outcome.
16. Which of the following reflects expectations for clinical practice guidelines (CPG)?
a. CPG are based upon a consensus of expert opinions.
b. CPG are designed to produce minimal standards of care.
c. CPG are informed by a systematic review of evidence.
d. Deviations should be fairly rare and often cannot be justified. - answer✔c. CPG are informed
by a systematic review of evidence.
17. When biological variables are distributed in a bell shaped curve, approximately what
percentage of the population lies within one standard deviation of the mean?
a. 25
b. 35
c. 50
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