In Complete Heart Block, If a Junctional Focus Is Controlling

question 10

Multiple Choice

In Complete Heart Block, if a junctional focus is controlling the ventricles, the rate will be beats per minute.If the rate is 20- 40 beats per minute and the QRS measures over 0.12 sec., you should suspect that the pacemaker controlling the heart is located in the .

• A)60- 100; ventricles
• B)20- 40; atria
• C)40- 60; AV junction
• D)below 20; SA node

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Definitions:

Rapid Eye Movement

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Narcolepsy

A disorder involving sudden and unpredictable daytime attacks of sleepiness or lapses into REM sleep.

Sleepiness

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Unpredictable

The quality of being unable to be predicted or foreseen, often leading to uncertainty or surprise.