Is there any options for this question?
Answer: 3 - nervous, but I’ve studied and comprehended enough that I’m slightly more comfortable.
Explanation:
Option C. It builds up a higher level of oxygen in the blood.
At rest, the heart pumps out about 5,000mL/min of blood. This is called the cardiac output. One can say that, at rest, the total systemic blood flow throughout the body is about 5L/min. At the extreme level of activity the heart pumps much harder and faster and is usually able to quintuple its output to about 25L/min of blood flow. This amount applies to the right side of the heart, which pumps blood to the lungs so it can pick up oxygen and drop off Carbon dioxide, and the left side of the heart that pumps it to the rest of the organs and tissues of the body.
In emergency medicine, finding someone unconscious is an emergency situation. The initial step in dealing with an emergency situation like this is survey the scene or assess the scene for safety. After which, ask the person with the phrases "hey hey, are you okay?" then call for help. If the person has no pulse and has no spontaneous breathing, perform cardiopulmonary resuscitation.
