Ascorbic acid is an example of a(n) __________ that may be added as a buffer to liquids to prevent degradation
A) antioxidant B) preservative C) vehicle D) emulsifier
A
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An 85-year-old man complains of chest pain. He has a fast heart rate and a low blood pressure. His skin is pale, cool, and sweaty, and he feels anxious. This patient is showing signs and symptoms of:
A) shock. B) hyperglycemia. C) meningitis. D) bradycardia.
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Cardioversion can be used to treat all of the following rhythms EXCEPT:
A) ventricular tachycardia with a pulse. B) rapid atrial fibrillation. C) ventricular fibrillation. D) supraventricular tachycardia.
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