Answer:
"Certification" is a voluntary process by which a nongovernmental agency grants a time-limited recognition to an individual after verifying that he or she has met predetermined and standardized criteria. To become certified, an individual must meet eligibility requirements and pass an assessment.
Explanation:
The definition above is applied for healthcare field.
We can find different contents for the definition of Certification in dictionaries.
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Answer:
The myocardical oxygen supply has fallen below demand.
Explanation:
Angina is the name given to chest pain caused by decreased blood flow in the heart, which is called ischemia. The biggest cause of angina is atherosclerosis, which happens when plaque builds up inside the coronary arteries and this accumulation of fat causes the arteries to narrow or even become clogged, and the blood can't flow. Thus, the heart does not receive the necessary nutrients, such as oxygen, because of decreased blood flow, which causes chest pain.
