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An EMT has just received a “shock advised” message from the AED. Just before delivering the shock, the EMT must:

Which of these statements regarding ventilation in a healthy patient is true?

You have been dispatched to a residence for a male patient with a cardiac history who is complaining of chest pain. On scene, you find a 52-year-old man sitting in a chair. He is alert and oriented. He states that his chest pain feels like the last time he had a heart attack. He reports that in the hospital his heart stopped and the health care personnel had to shock him twice before it restarted. He is breathing adequately and has a strong radial pulse. Which of these actions would be appropriate in the assessment and/or management of this patient?

When assessing an adult patient with difficulty breathing, which of these signs or symptoms would be of most immediate concern?

The EMT is properly using a small-volume nebulizer when she:

Which of these statements about the heart rhythm of ventricular fibrillation is true?

The medication contained within a metered-dose inhaler is in which form?

Prior to the administration of oral glucose, a patient’s blood glucose level was 49 mg/dL. After administering the oral glucose, the patient is alert and oriented. Which repeat blood glucose levels would the EMT expect with this clinical presentation?

The nurse explains to a patient and family that the triad of signs of Parkinson disease is: _______, rigidity, and bradykinesia.

In three sentences, define the all or none principle. In your answer, be sure to describe what resting membrane potential is.