16 Questions
What is the primary function of the septum in the heart?
To separate the atria and ventricles
Which type of muscle is found in the heart?
Cardiac muscle
What is the purpose of the atrioventricular (AV) valves?
To prevent backflow of blood from the ventricles to the atria
What is the direction of blood flow through the heart?
Atria to ventricles to aorta
What is the function of the atria in the heart?
To receive deoxygenated blood from the body
What is the purpose of the heart valves?
To prevent backflow of blood
What is the primary function of the atrioventricular (AV) valves in the heart?
To ensure one-way flow of blood from atria to ventricle
What is the term for the mass of merging cells that act as a unit in the heart?
Functional syncytium
What is the main difference between the atria and ventricles in terms of their structure?
Atria have thinner walls than ventricles
What is the purpose of the chordae tendineae in the heart?
To prevent backflow of blood through the AV valves
What is the term for the separation between the atrium and ventricle on the right side and those on the left side?
Septum
What is the direction of blood flow through the heart?
From atria to ventricles
What are the two circuits or subdivisions of blood flow in the heart?
Pulmonary and systemic circuits
What is the term for the valves that ensure one-way flow of blood from the atria to the ventricles?
Atrioventricular valves
What is the characteristic of cardiac muscle cells that allows them to work together as a unit?
They are connected by intercalated discs
What is the term for the structure that separates the two functional syncytia in the heart?
Fibrous skeleton
Test your knowledge on anatomy and physiology concepts, including their links to other systems and modules. Prepare for your exam with questions on the basics of human anatomy and physiology, and how they relate to pathophysiological and psychopathological processes. This quiz covers topics relevant to healthcare professionals, including nursing and paramedic students.
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