Which of the following delays the electrical impulse to give time for the atria to complete contraction and the ventricles to fill?
A. Bundle of His
B. SA node
C. Bundle branches
D. AV node
E. Purkinje fibers
D. AV node
The AV node delays the electrical impulse to allow the atria to complete their contraction and the ventricles to fill before the ventricles contract.
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Automated external defibrillators (AEDs) can assess a heart's rhythm, determine if defibrillation is necessary, and deliver a(n) ________ when needed.
A. instant message B. chest compression C. electrical shock D. rescue breath
A 100-kilogram patient with a 500-milliliter tidal volume, breathing 16 times each minute, would have a minute ventilation of how many milliliters?
A) 8000 mL B) 1200 mL C) 1600 mL D) 2400 mL
All of the following statements are true of ICD-10-CM EXCEPT:
A) transition to ICD-10 will require significant time and effort. B) it is used broadly in Europe and Canada. C) clinical modifications in ICD-10 will include only volumes 1 and 2. D) HHS has proposed that the ICD-10 code sets be used for billing 01/01/10. E) it is used in the United States for reporting the cause of death on death certificates.
Commonly used medical abbreviations are found in most CPT manuals:
A) on the back cover. B) in the introduction. C) at the bottom of each page. D) in the appendices.