A new graduate in orientation prepares to administer heparin subcutaneous. Which action of this nurse would indicate a need for further instruction?
a. using ice on the site before and after administration
b. inserting the needle at a 90-degree angle
c. cleansing, but not rubbing, the desired injection site
d. aspirating to be certain the needle is not in a blood vessel
Question 2
To assess the effectiveness of heparin therapy the nurse looks up what lab value?
a. prothrombin time (PT) c. vitamin K plasma concentration
b. partial thromboplastin time (PTT) d. bleeding time