Which of the following trace elements is NOT classified as essential?
A. Fluorine
B. Silver
C. Chromium
D. Cobalt
B
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The chamber of the heart that receives deoxygenated blood from the body is the:
A) Left atrium. B) Right atrium. C) Left ventricle. D) Right ventricle.
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Causes of pulseless electrical activity include all EXCEPT:
A. profound hypotension. B. pulmonary embolism. C. cardiac tamponade. D. profound hypertension.
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