Local anesthetic drugs are effective only at the nodes of Ranvier and in order to be effective, multiple nodes must be exposed to the drug to block impulses

Which abnormal hemoglobin is slow moving and migrates closely with hemoglobin A2 on cellulose acetate at an alkaline pH?

a. Hemoglobin S b. Hemoglobin D c. Hemoglobin M d. Hemoglobin C

A selective b2-receptor agonists is also called a _____

Fill in the blank(s) with correct word