__________ also known as a stroke; an occlusion or blockage of vessels in the brain caused by an embolus, thrombus, or other pathology that can cause lack of blood flow in the tissues of the brain

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."

Which of the following terms refers to low white blood cell count?

a. thrombocytopenia b. anemia c. neutropenia d. myleopenia