The last two times that i was sick, my neck really hurt/ached and if i touched it, it felt kinda like it was bruised (and i know it wasn't bruised). i was just wondering if there is a reason for this and if this is normal because it seems pretty weird to me. any ideas why it happens?

What is the difference between a license and a certificate in the healthcare system? a. a certificate grants the freedom to practice, while a license only confirms professional qualifications. b. a license grants the freedom to practice, while a certificate only confirms professional qualifications. c. medical doctors receive licenses, and nurses receive certificates. d. medical doctors receive certificates, and nurses receive licenses. i'll give you 30