The expression is a trinomial, like the expressions which we've been factoring in this lesson. There is a small variation in this problem however -- the first term has a coefficient that is not 1.
Ventricular Phonation (Plica Ventricularis). This occurs when a great amount of muscle tension above the vocal folds is created in the laryngeal area causing an approximation of the false vocal folds.entricular Phonation (Plica Ventricularis). This occurs when a great amount of muscle tension above the vocal folds is created in the laryngeal area causing an approximation of the false vocal folds.
Premature Ventricular Contractions. A premature ventricular contraction (PVC) occurs when a focus in the ventricle generates an action potential before the next scheduled SA nodal action potential. There are four main characteristics of premature ventricular contractions (PVCs): They are premature.