If a 500 mL IV bag is infused at 25 mL/hr, how long will the infusion last?

An AP lumbar projection with poor positioning that demonstrates closed intervertebral disk spaces

1. also demonstrates distorted vertebral bodies. 2. was obtained with the patient rotated. 3. was obtained with the patient's legs extended. 4. also demonstrates the sacrum and coccyx rotated toward the left side. a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 2 and 4 only

The EMT's primary concern with any open injury to the chest is:

A) Controlling internal bleeding B) Evaluating for crepitus C) Stopping air entry D) Checking for intercostal muscle damage