Final answer:
The student requires immediate medical attention. CPR should be performed until professional help arrives. Chest compressions should be done at a rate of 100 compressions per minute.
Step-by-step explanation:
Based on the provided information, the student's vitals, such as blood pressure, heart rate, respiratory rate, and oxygen saturation, indicate that they are in a critical condition. With the presence of an exit wound, the student requires immediate medical attention. In this situation, it is important to call for emergency medical services and provide basic life support, including cardiopulmonary resuscitation (CPR) if necessary. CPR is a technique used to manually compress the heart and maintain blood flow until professional help arrives. To perform CPR, one should place the hands within the area between the lines at T4 and T9 on the sternum and perform chest compressions at a rate of 100 compressions per minute.