The answer should be: D. AED training
Automated electronic defibrillator use is easy, but in actual medical practice, there is only a few pattern of heart rhythm that was shockable. AED can be available in many places but trained personnel might not present when it was needed.
When AED used by someone without training, the helper can be protected by Good Samaritan Law. But their help might worsen the patient condition.
What I would do after learning more about good communication skills, is start an interesting topic with a friend. I would make sure to keep eye contact, and maintain good body behavior. By doing this, I will seem fully in the conversation. Another good idea when communicating with someone, is to think before you speak., knowing what you're going to say next will definitely make it easier to speak clearly.
Diverticula.........................
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Answer: c. Internal statistics