Review for Cardiovascular Quiz
What is the Name of the following Structures?
Diagram Answers 1.Vena Cava 2.Right Atrium 3.Tricuspid Valve 4.Right Ventricle 5.Pulmonary Semilunar Valve 6.Pulmonary Artery 7.Left Atrium 8.Bicuspid Valve 9.Left Ventricle 10.Aortic Semilunar Valve 11.Aorta
What body cavity is your heart in? Thoracic
What type of tissue is the heart mainly composed of? Cardiac Muscle
What is the function of a valve? To prevent the backflow of blood
Name one symptom of a faulty valve: Heart Murmur
What is the name of the blood vessels that supply blood to the heart muscle? Coronary Arteries
What is the pacemaker of the heart? Sinoatrial Node
Contrast the structure of arteries and veins: Arteries are thicker (more smooth muscle) Veins have valves
Contrast the pressure in arteries and veins: Arteries are under high pressure and veins are under low pressure
What helps get the blood in veins back to the heart? Valves in the veins Skeletal muscles ‘squeezing’ the veins Changes in pressure in the thoracic cavity because of breathing
What is normal blood pressure? 120 / 80 mmHg –What does the 120 mean? Systolic: when ventricles are contracting –What does the 80 mean? Diastolic: when heart is relaxed
What is normal pulse rate? bpm is the normal range (74)
What is the strongest chamber of the heart? Left Ventricle Why? It has to pump blood to the entire body