How well your heart, lungs and blood vessels supply their contents during physical activity.
I believe B should be your only answer. On the healthcare level, you are in error only a certain amount. Omitting a signature on a medical record is against the law (considering you NEED, consent and or orders to be able to do something). Prescribing medications correctly, is actually doing something right. And if you have seen some doctors handwriting, their handwriting is far from legible, that doesn't mean that treatment was inadequate.
Failure to treat in a timely manner is an error on your part. and should be the correct answer.
This is true, vandalizing is harmful to the environment because of its messages. It damages things that someone cares about. Vandalizing is dangerous and it can get out of control.