Which of the following statements best describes the pharmacological action of OnsetTM?
A) It reduces the effects of local anesthesia by reversing the buffering effects of the drug solution within tissues.
B) It reduces the effects of local anesthesia by altering the pKa of the solutions in the cartridge.
C) It is a nonselective alpha-adrenergic blocking agent that counters the effects of epinephrine on tissues.
D) It is a nonselective beta blocking agent that counters the beta effects of epinephrine on smooth muscle linings of vessels.
C
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True or false (circle one). The intrinsic muscles of the foot have origins in the leg
Indicate whether the statement is true or false.
Which of the following microbial species appear to be associated with chronic periodontitis?
A) Actinobacillus actinomycetemcomitans B) Porphyromonas gingivalis C) Prevotella intermedia D) All of the above