The electrical impulse generated by the heart originates in the:
Select one:
A. atrioventricular node.
B. coronary sinus.
C. bundle of His.
D. sinoatrial node.
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Signs and symptoms of a hypertensive emergency would MOST likely be delayed in patients who:
Select one:
A. are older than 40 years of age.
B. have chronic hypertension.
C. have had a stroke in the past.
D. regularly take illegal drugs.
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Risk factors for AMI that cannot be controlled include:
Select one:
A. family history.
B. hyperglycemia.
C. excess stress.
D. lack of exercise.
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Prior to attaching the AED to a cardiac arrest patient, the EMT should:
Select one:
A. perform CPR for 30 seconds.
B. dry the chest if it is wet.
C. contact medical control.
D. assess for a pulse for 20 seconds.
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