When you feel the lingering numbness of the "local" the dentist gave you,the biopsychology student knows the effects are due to the chemical anesthetic effects of:
A)Blocking sodium ion channels
B)Preventing neurotransmitter release
C)Producing hyperpolarizations on an afferent neuron
D)Producing prolonged refractory periods

Question

Quizplus · Accepted Answer

Local anesthetics work by blocking sodium ion channels, which prevents the transmission of pain signals. This results in numbness in the area where the anesthetic was administered.

When You Feel the Lingering Numbness of the "Local" the Dentist