The answer is b, because she misused the prescription and it’s legal because the doctor gave it to her.
Walking and even petting dogs appears to be associated with reduced risk of (A)<span> blood pressure and heart rate. Having a walk regularly will help you have a normal blood circulation. It will regulate the pumping of your blood from your heart in a normal way. It will also help you to lose weight and make you healthier.</span>
The answer is A. "Apply a tourniquet."
A tourniquet is used to stop/compress blood flow from arteries and/or veins.