The job of the cardiac conduction system's pacemaker is to
A) cause depolarization of myocardial cells. B) propagate electrical impulses.
C) conduct electrical impulses. D) all of the above.
B
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The need for COB occurs when two or more plans provide coverage within the same family
Indicate whether this statement is true or false.
The buffer area must be which class of ISO environment?
A) 3 B) 5 C) 7 D) 8
An 86-year-old female has called 911 for rectal bleeding. There is a large amount of dark red blood and clots in the toilet and on the patient's clothing. The Emergency Medical Responder reports a blood pressure of 84/68 mmHg with a heart rate of 124 beats per minute. Given this information, the EMT should recognize:
A) narrowed pulse pressure and possible shock. B) normal blood pressure since the patient is alert and oriented. C) diastolic hypertension and risk for stroke. D) normal heart rate given the patient's age.
An expanded problem focused history would include all of the following EXCEPT:
A) chief complaint. B) brief history of present illness. C) brief family history. D) problem-pertinent review of systems.