What causes the different P wave morphologies in an ECG tracing that shows wandering atrial pacemaker?
A. The variable strength of the atrial contraction caused by each impulse
B. The varying sites of the ectopic impulses
C. The rate at which the ectopic impulses are generated
D. The morphology of the resulting QRS complexes
Answer: B
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Which of the following best describes the position of function for the hand?
A. Wrist straight with all fingers extended. B. All fingers curled, forming a fist. C. Fingers slightly flexed, wrist cocked slightly upward D. Fingers relaxed with the wrist at a 90-degree angle.
Minimally, every Paramedic involved in a technical rescue should have an Operations level of training.
Answer the following statement true (T) or false (F)
Which of the following has an important role in regulating heart rate?
a. Medulla oblongata b. Pons c. Thalamus d. Midbrain
For which of the following conditions are systemic antibiotics indicated?
A) Gingivitis B) Generalized chronic periodontitis C) Localized chronic periodontitis D) Localized aggressive periodontitis