Which of the following agents can produce a hostile environment capable of causing a spontaneous abortion?

The EMT shows that he is correctly using the flow-restricted, oxygen-powered ventilation device when he:

A) stops ventilating as soon as the patient's chest begins to rise. B) administers each ventilation over a 2- to 3-second period. C) ventilates the patient at a rate of 20 breaths per minute. D) increases pressure if the air enters the stomach instead of the lungs.

When approaching a combat veteran who is highly agitated, the EMT must remember that:

A) combat veterans are more dangerous than civilians because of their training. B) determination of the event leading to the PTSD is essential. C) combat veterans are more likely to assault caregivers and medical providers. D) reassurance with a firm, calm voice may be necessary.