A tight lip seal is accomplished by muscles innervated by the (cranial nerve name and number) ____________________ nerve

The theory of reciprocal inhibition describes

a. how an agonist muscle relaxes when the synergist contracts. b. the simultaneous excitation and inhibition of opposing muscles. c. how agonist/antagonist contract simultaneously during reflex movements. d. the cortical control of muscular contractions during deliberate actions.

Which of the following is the most important safety step following an injection?

A) Rinsing the patient's mouth B) Assessing the patient for adverse reactions C) Recapping the needle with a one-handed technique D) Making a complete chart entry