Most caregivers should be able to work and understand a variety of health concerns and basic hygiene like; most common health problems, heart levels, fragile body parts, how to properly clean others, etc.
A is the correct answer.
The patients mother is experiencing a panic attack due to being provided with unsettling information.
So when you are communicating in a healthcare facility something isn't loss in translation and something serious occurs because someone didn't know the proper terminology.