The sac of tissue that encloses the entire heart is the:

A. pericardium.
B. ventricle.
C. myocardium.
D. atrium.


Answer: A

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The federal regulations that are enforced to ensure the quality and accuracy of clinical laboratory testing is covered by:

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Aztreonam is classified as which kind of drug?

A) Penicillinase-resistant penicillin B) Monobactams C) Fluoroquinolone D) Aminoglycoside

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Children with chronic medical conditions are at higher risk of child abuse.

Answer the following statement true (T) or false (F)

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