The effect of a neurotransmitter on a postsynaptic cell is determined by its:

Category ________ specimens are infectious substances in a form capable of causing permanent disability or life-threatening or fatal disease in otherwise healthy humans or animals.

Fill in the blank(s) with the appropriate word(s).

Which of the following is a duty that an Emergency Medical Responder would have at the scene of an accident prior to providing care for injured patients?

A. Assist with preparation for transport B. Monitor ABCs C. Make the scene safe for other responders and bystanders D. Ensure a patent airway