How the Medical Assistant should evaluation a site for drug administration and why. 

In general, documentation should include the date and time administered, medication name and dose, route of administration, site of administration (if applicable), the lot and expiration date (if applicable), and the patient's response to the medication.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.