What are common reversible causes of cardiac arrest? (Select three correct answers)

The pelvis is made up of which of the following bones:

Which structures of a typical vertebral column make up the zygapophyseal joints? 

You are analyzing an EKG. The QRS is normal width, the P waves are inverted and the PR interval is 40 ms. There is an R wave every 6 large boxes. Your interpretation:

An elderly patient had a syncopal episode after getting up too quickly from bed. The patient is conscious and has no current complaints. The paramedic should have a high index of suspicion for:

What is the mechanism of action and source of glucagon?  Mechanism of action (Choose 1) Source (Choose 1)

The oblique projection of the cervical spine requires the body and head to be rotated:

After assisting with a field delivery, it is noted that the mother continues to bleed vaginally and has lost approximately 800mL of blood. The paramedic should FIRST:

Identify the structure labeled 3 pelvis.png

Identify the structure labeled C proximal femur.png