ventilation mask (with oxygen inlet) is <span>The preferred oxygen delivery device to use when providing emergency oxygen to a non-breathing person.
A ventilation mask with an oxygen inlet is consist of a pump that allow another person to pump the air into the non-breathing person's lung.
Other form of oxygen delivery device require the user to directly breath in to the device, which will be impossible of that person is non-breathing condition.</span>
Answer:
A. 30:2
Explanation:
After every 30 chest compressions at a rate of 100 to 120 a minute, give 2 breaths.
Answer:
Opponent-process theory
Explanation:
The opponent- process theory is based on the idea that every time you are going to need a higher amount of something in order to get the same sensation since your body is going to have the tendendy to develop kind of a habit.
Let's say for example that you are scared of something like a snake, at the begining, it's going to be so hard to face the fear and dare to touch one, but after doing it the first time the fear is going to reduce little by little and at the end you will touch them feeling no discomfort or disgust.
In Helena's case the opponent-process is working the other way round, since every time in order to get the same cool sensation she will need a higher quantity of the thing that is making her have those nice sensations, in this case, cocaine.
Answer:
A. Cancers are classified according to the type of tissue they affect
Explanation:
