A rhythm that originated in the SA node is determined by a:
A. P wave with a negative deflection.
B. P wave with a positive deflection.
C. P wave that is not upright.
D. P wave that is inverted.
Answer: B
You might also like to view...
Which blood vessel carries blood from the heart to the lungs?
A) aorta B) vena cava C) pulmonary artery D) pulmonary vein
A young male has been pulled from a lake by his friends after being submerged for several minutes. Assessment reveals his airway to be patent, respirations absent, and a weak carotid pulse of 12 beats/min. Which care should you provide at this time?
A) Attach the AED, provide one shock if indicated, start CPR, and transport to the hospital B) Administer one shock with the AED, start CPR, and withhold additional shocks until the patient is rewarmed C) Insert an oropharyngeal airway, provide positive pressure ventilation, start CPR, and transport D) Start positive pressure ventilation, place the patient on a long board, and transport to the hospital