You are ventilating a neonate but he doesn't seem to be responding. You know that you MUST begin chest compressions the heart rate drops below ________ beats per minute

Multiple sclerosis is a:

A) demyelinating disease involving only the gray matter of the brain. B) demyelinating disease involving the white matter of the brain and spinal cord. C) toxic insult to the brain meninges by ingestion of heroin. D) muscle-wasting disease involving the muscle surrounding the spinal cord.

The food pyramid is an educational tool developed by the:

A) Food and Drug Administration. B) Environmental Protection Agency. C) Department of Agriculture. D) Department of Health and Human Services.