Which of the following terms describes electrical impulses that originate in the atria and initiate an early impulse that interrupts the inherent regular rhythm?
A. Atrial kick
B. Premature atrial complexes (PACs)
C. Automaticity
D. Ectopic impulse
Answer: B
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A) Lack of air bags in the car B) Difficulty turning is head to the right C) History of heart problems D) Death of the car's driver
Who determines exit arrangement for new construction?
A. Inspector B. Fire marshal C. Building owner D. Structural engineer
Placing the researcher's interests above the patient's interests is considered
A) nontherapeutic. B) a conflict of interest. C) therapeutic. D) a personal choice.
Melanin, which helps protect underlying layers of skin from UV radiation, is deposited throughout the ____.
A. dermis B. epidermis C. subcutaneous layer D. hypodermis E. arrector pili