Question

nursing care is always led by *
unlicensed nursing
unlicensed nursing assistant
social worker
licensed nurse

before meals and at bedtime
as&hc
ac&hs
po
npo

Explanation:

For the first question, in nursing care, it is the licensed nurse who has the proper training, knowledge, and legal authorization to lead the care. Unlicensed nursing and unlicensed nursing assistant do not have the full scope of practice to lead, and a social worker has a different role focus.
For the second question, "AC" stands for "before meals" (from the Latin "ante cibum") and "HS" stands for "at bedtime" (from the Latin "hora somni"). "AS & HC" is not a standard abbreviation for this context, "PO" usually means "by mouth" (from the Latin "per os"), and "NPO" means "nothing by mouth" (from the Latin "nil per os").

Answer:

1. licensed nurse
2. AC & HS