Which of the following channels does the local anesthetic molecules block once inside the nerve?
a. chloride
b. potassium
c. fluoride
d. sodium
Once inside the nerve, the ionized molecules block the sodium channels in the membrane thus decreasing the permeability (passage) of the nerve membrane to sodium ions, which prevents the generation of action potentials (a stimulus applied to a nerve allowing sodium to move into the neuron).
You might also like to view...
Hospital-based applications for clinical decision support include:
1. Cardiac ischemia 2. Decreasing fluid given in resuscitation efforts 3. Appropriate tidal volume and plateau pressure monitoring in acute respiratory distress syn-drome 4. Decreasing exacerbations in asthma patients a. 1 and 2 b. 1, 2 and 3 c. 1, 3, and 4 d. 1, 2, 3, and 4
A patient experiencing a cerebrovascular accident (CVA) will usually show signs of paralysis on both sides of the body.
Answer the following statement true (T) or false (F)