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The contraction of ventricles is referred to as what?
systole
Is the sequence of contraction and relaxation is referred to as a pulmonary cycle?
no
What are the parts of the ventricular system?
The ventricular system consists of four interconnected cavities in the brain called the lateral ventricles (one in each hemisphere), the third ventricle, and the fourth ventricle. Cerebrospinal fluid is produced in the ventricles and circulated around the brain and spinal cord to provide cushioning and protection.
The alternating contraction and relaxation of opposing layers of smooth muscle is referred to as?
Peristalsis
What is the ventricular system?
The ventricular system is a network of interconnected cavities in the brain that produce and circulate cerebrospinal fluid (CSF). It consists of four ventricles: two lateral ventricles, the third ventricle, and the fourth ventricle. The ventricular system helps protect the brain by providing cushioning and support, removing waste, and regulating pressure within the skull.
What would a premature ventricular contraction in which the QRS waves have the same configuration each time they appear be described as?
A group of premature ventricular contractions in which the QRS configuration is always the same are referred to as monomorphic premature ventricular contractions.
What cardiac arrhythmia is fatal unless reversed?
Cardiac arrhythmia is usually fatal unless reversed by electric defibrillation. Cardiac arrhythmia is also sometimes referred to as ventricular fibrillation.
What is the Resistance to flow or impedance to ventricular ejection referred to as?
Afterload
What is the physiology of ventricular tachycardia?
A rapid heart rate can originate in either the left or right ventricle. Ventricular tachycardia which lasts more than 30 seconds is referred to as sustained ventricular tachycardia
When does the second sound of cardiac cycle occur?
The second sound of the cardiac cycle, commonly referred to as the S2 sound, occurs when the aortic and pulmonary valves close at the end of ventricular systole as blood is forced out of the ventricles and into the aorta and pulmonary artery. This sound marks the end of the systole phase and the beginning of diastole.
What kind of muscle contraction is also referred to as static tension?
isometric
A deep isometric contraction of the abdominal and oblique muscles is referred to as?
bracing
