It’s either reservoir or mode of transmission.
I personally can’t pick one because of how the question is written. The part that confuses me the most is word “carrying” which indicates the place where microorganism lives in, such as water, soil, food, humans, animals.
Mode of transmission means the way microorganisms are spread (droplets, air, direct contact, etc.) from one place to another.
Answer:
Obtain vital signs
Explanation:
All medications should be taken in controlled quantities that must be indicated by a trained professional, such as doctors and nurses. Taking a whole bottle of medicines, including sleeping medicine, as in the case given in the question, is very dangerous and can cause a person to be killed. If a person has taken a whole bottle of sleeping pills and is not responding, the first thing you should do is check that person's vital signs and seek medical attention.
A.determine your own fitness for driving.
Giving a self evaluation on the current physical and mental state of the person would be a good start.
For example:
can they see everything infront of them?
are they hands shaking when trying to use them?
