Which of the following is the type of prevention that looks at healthy population groups and suggests actions to be taken which will prevent members from developing a given disease?

Which of the following interventions would the EMT be the LEAST likely to perform while attempting to resuscitate a cardiac arrest patient?

A: Rhythm analysis with the AED B: Assisting a paramedic with intubation C: Ventilation with a bag-mask device D: Insertion of a supraglottic airway device.

Is it acceptable to recline the chair or tip the headrest back to facilitate obtaining an occlusal radiograph?

What will be an ideal response?