The correct answer is "securing the airway and providing ventilation".
It has been proven that the first priority when dealing with drowning victims is to try and resuscitate the victim. This is done by securing the airway and providing ventilation. Especially, in this prehospital stage, the first responders should assess the airway, breathing, circulation and cervical spine. After securing that the victim has normal breathing and circulation, the healthcare professional should focus on correcting any abnormal physiological functions, such as hypoxia and hypothermia.
Answer:
The last choice.
Explanation:
An enzyme is a protein that breaks down into nitrogen- based amino acids.
C. Oxygen and nutrients taken in by the respiratory system are transported to the circulatory system for transport around the entire body.
Also, B and D cannot be correct, as carbon dioxide is not wanted in the body (it's a waste product of respiration of the body cells)