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-Circus Movements in the Ventricle Can Lead to Ventricular Fibrillation

Question 12

Multiple Choice

$-Circus movements in the ventricle can lead to ventricular fibrillation. Which of the following conditions in the ventricular muscle will increase the tendency for circus movements? A) Decreased conduction velocity B) Low extracellular potassium concentration C) Increased refractory period D) Shorter conduction pathway (decreased ventricular volume) E) Increase in parasympathetic impulses to the heart$
-Circus movements in the ventricle can lead to ventricular fibrillation. Which of the following conditions in the ventricular muscle will increase the tendency for circus movements?

A) Decreased conduction velocity
B) Low extracellular potassium concentration
C) Increased refractory period
D) Shorter conduction pathway (decreased ventricular volume)
E) Increase in parasympathetic impulses to the heart

Correct Answer: