Which portion of local anesthetic molecules binds to receptor sites within nerve membranes, preventing depolarization?

When children receive a vaccine for tetanus, it is usually given in combination with a vaccine for _______ (also known as the DTaP vaccine)

a. tetanus b. pertussis c. diphtheria d. all of the above

Which of the following starting doses is recommended for amitriptyline (Elavil) in the management of noctural bruxism?

a. 5 mg b. 10 mg c. 50 mg d. 1 g