An Inner City Medical Clinic Provides Medical Screening and Basic

An inner city medical clinic provides medical screening and basic care for low-income individuals and families. A nurse completes an intake assessment for a 37-year-old homeless male. He denies current intravenous drug use and presents for hepatitis, HIV, and STD screening. He is found to be positive for hepatitis B.
-After drawing the patient's blood for hepatitis B testing,the healthcare worker set the needle on a counter instead of disposing of it in a sharps container.Several hours later,another healthcare worker accidentally stuck herself with the needle.How concerned should she be that she could contract hepatitis B?  

A) She should not be concerned at all.The virus dies once the blood dries.
B) She should not be concerned at all.The virus is not transmitted via blood.
C) She should be very concerned.The virus can survive several days in dried blood.
D) She should be very concerned.The virus multiplies indefinitely on hard surfaces.