This hormone from the adrenal cortex increases blood pressure and blood glucose levels at a time of great stress:

Long term high blood pressure will cause weakening of the heart and could cause it to fail.

This structure of the conduction system has a built in delay to allow the atria to empty before the ventricles contract:

Choose the statement below that best describes the path of blood through the systemic circuit:

Jeremy’s grandfather is being treated with Beta Blockers for a heart condition.  What do Beta Blockers do?

Vasodilation refers to the contraction of the smooth muscle within the wall of a blood vessel making the diameter smaller.

Endocrine glands release their product through a duct into a body cavity;  exocrine glands release their product into the blood stream.

Which statement below is FALSE regarding blood pressure:

The T wave of the EKC represents:

When you take someone’s pulse, you are feeling the expansion of the elastic walls of an artery as the left ventricle forces blood into it.