Answer and explanation:
Following points should be kept in mind while doing or observing CPR.
1)Rate should be 100-120 compressions per minute.
2)Compression depth should be atleast 2 inches.
3)Push hard and fast.
4)Interruptions of almost 10 seconds
5)Give effective breaths to make the chest rise.
6)Ventilation.
D.) Washed your hands first.
It is D.) because when you wash your hands first you're getting all the germs, dirt, or whatever is on your hands, off. Then you go back and put hand sanitizer to then in a sense "clean" it more. Plus who knows what is on that paper towel you just dried your hands with.
Answer:
45 degrees or higher because otherwise the food could be contaminated
