The primary control or automaticity of the heart rate originates in the:
A) Brainstem
B) Heart
C) Nervous system
D) Endocrine system
B) Heart
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In Maslow's hierarchy of needs, which level includes physical safety and security relating to employment?
a. Level I b. Level II c. Level III d. Level IV
Exposure to which of the following body fluids requires use of universal sanitary precautions?
A) Tears B) Blood C) Sputum D) Sweat
What are the two ways that the heart can fail?
A. Sympathetic failure or parasympathetic failure B. Bradycardia or tachycardia C. Heart attack or stroke D. Mechanical failure or electrical failure
The EMT is correctly assessing a patient for subcutaneous emphysema when he:
A) palpates the anterior and posterior chest. B) listens posteriorly for breath sounds. C) observes the chest for abnormalities. D) examines the neck veins for distention.