One of the most common signs of myocardial infarction in an elderly person is:
A) severe pain.
B) fever.
C) shortness of breath.
D) high blood pressure.
Answer: C
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Indicate whether the statement is true or false.
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A. chest pain typically resulting from reduced blood supply to the heart. B. a blocked blood supply. C. a general hardening of or loss of elasticity in the arteries. D. a buildup of fats, cholesterol, and other cellular waste products.
Identify a mineral which is extremely important for muscle contraction, blood clotting, and the conduction of nerve impulses.
A. Iron B. Phosphorus C. Calcium D. Sodium
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is a way for viruses to infect cells. is only accomplished by bacterial cells. is the way foreign cells engulf macrophages. is a way for a cell to give information about its activities.