Which one of the following statements about the heart rhythm of ventricular fibrillation is TRUE? ...

Which one of the following statements about the heart rhythm of ventricular fibrillation is TRUE?
 
  A) When a patient's heart is in ventricular fibrillation, it is unable to pump blood throughout the body.
  B) The AED is designed to identify ventricular fibrillation and give a 'No shock advised' message when it is present.
  C) The most effective treatment for converting ventricular fibrillation to a healthy heart rhythm is CPR.
  D) Ventricular fibrillation occurs when the heart rate is so slow and weak that a pulse cannot be felt.

Question 2

The AEMT recognizes that the division between the thoracic and abdominal cavities lies approximately:
 
  A) at the level of the diaphragm.
  B) above the twelfth thoracic vertebrae.
  C) below the twelfth rib.
  D) at the fifth intercostal space.