Psychology Interview Question:

If the heart of a resting normal person is increased from 60 to 90 beats per minute by artificial atrial pacing:

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* a) Cardiac output will increase by at least 50%.
* b) Stroke volume will not be affected appreciably.
* c) Cardiac output will not be affected appreciably.
* d) Arterial pulse pressure will increase.
* e) Central venous pressure will increase.

Answer - c
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