The medical assistant must post the returned check back to the patient's account to put the money due back on the account. They must contact the patient that wrote the check by certified mail to try to collect the money for the check.
Tar, carbon monoxide, arsenic, vinyl chloride, and/or formaldehyde
Alcohol poising... drinking too much alcohol or a lot in a short period of time can actually poison you and very bad for your health.
The correct answer is D. Dyspnea. Hope this helps!