C) Defibrillators.
Most anyone who went to medical school in a hospital can use these.
Answer:
Microbiological hazards
Explanation:
The vomiting might probably be because of irritation (some ingredients that he isn't comparable with) or food poisoning which could be a result of contamination. Whatsoever the case might be, handling of the ice cream might be posed with hazardous which are physical, chemical, allergens and microbiological hazards, the likelihood of the microbiological hazards is higher and the commonest in such a situation.
B and D!! Hope this helps :)
Answer: C) Vigorous
Explanation: While exercising and taking deep breaths, your body needs oxygen. When you speak in the middle, your heart rate rises as you're losing oxygen.