Depolarization is a reversal of ion concentrations in the recovery phase

Which of the following sites on the body is NOT used for an intradermal injection?

A) Abdomen B) Upper back C) Upper chest D) Inside of middle forearm

In making a blood smear or slide, after the drop of blood has been spread across the glass slide, what is the next step?

A) Gently blow on it to aid in drying. B) Hold it over a heating element to promote cellular adhesion to the glass. C) Add a drop of saline to the slide to preserve it. D) Allow it to air-dry.