A job expects more responsibility from its worker, and there's less room to slack off and make mistakes. At home, certain things can be excused or put off, but in a work environment, situations need to be taken more professionally.
Polio destroys motor neurons specifically. The question came with no "Which of these options"
The answer is "Follow appropriate procedures".
"Act without thinking" and "Do nothing to help" should be wrong for obvious reasons. "Do whatever you can" probably seems like a reasonable choice, but if you do whatever you can without following appropriate procedures, then you might end up making the situation worse than it already is. You could get in someone else's way, or do something that someone isn't expecting which could waste time or cause harm.
1. Point out the problem
2. Talk it out
3. Put it in the past.
Answer:
1. Tobacco smoke is made up of thousands of chemicals, including at least 70 known to cause cancer.
2. There are many results of smoking. Smoking damages your heart and your blood circulation, increasing the risk of conditions such as coronary heart disease, heart attack, stroke, peripheral vascular disease (damaged blood vessels) and cerebrovascular disease (damaged arteries that supply blood to your brain).
Hoped this helped! :)