For each medication listed below, outline the nursing considerations including required assessments, common side effects, and administration techniques:
a. Aspirin 81mg (chewable) - dose of 4 tablets
b. Nitroglycerin 0.4mg (sublingual)
c. Morphine sulfate 2-4mg (IV push)
d. Heparin 5000 units (subcutaneous)
e. Clopidogrel 300 mg (oral) - loading dose