Which molecule is responsible for the neutralization of harmful peroxides?

The purpose of estimating a patient's total body surface area burns in the prehospital setting is to:

A) obtain an accurate calculation of how severe the patient's burns are. B) determine whether the patient should be transported via a helicopter. C) ascertain how much IV fluid the patient should receive during transport. D) help the paramedic determine the most appropriate destination hospital.

After the needle is inserted for a venipuncture and the blood begins to squirt out in pulses, this might indicate that:

a. the patient has petechiae. b. an artery has been penetrated by the needle. c. a vein has been penetrated by the needle. d. the patient has a low red blood cell count.