Cleaning agents can be harmful to the MA if they are not mixed properly

After properly attaching the AED to a pulseless patient and pressing the "analyze" button, the machine indicates "no shock advised." The most likely explanation for this is:

A) the patient is in cardiac arrest, but the rhythm causing it cannot be corrected with a shock. B) the AED has malfunctioned and you should proceed with CPR. C) the machine has detected that it would be dangerous to deliver a shock and you must check to make sure no one is in contact with the patient before analyzing again. D) the patient is not in cardiac arrest.

Which of the following are common causes of an increase in the drive to breathe, which would increase the sensation of dyspnea? 1. Hypoxemia 2. Acidosis 3. High fever 4. Hypocapnia

a. 1 and 4 only b. 2 and 4 only c. 1, 2, and 3 only d. 2, 3, and 4 only