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Physiology
Chapter 14 - Review (Test)
Question | Answer |
---|---|
Progression of blood vessles after blood leaves the heart | aorta, arteriols, cappillaries, venuel, vein |
coronary arteries | Name the artery that supplys the myocardium of the heart |
Which chamber of the heart has the thickest musculature | left ventricle |
pulmonary artery | What's the name of the blood vessel that caries de-oxygenated blood to the lungs |
What's the term that refers to the hearts ability to generate its own contraction cycle | autorhymimisity |
coronary arteries | Name the artery that supplys the myocardium of the heart |
Which chamber of the heart has the thickest musculature | left ventricle |
pulmonary artery | What's the name of the blood vessel that carries de-oxygenated blood to the lungs |
What's the term that refers to the hearts ability to generate its own contraction cycle | autorhymimisity |
Name the conduction parts of the heart in order | SA node, AV node, Bundle of His, Bundle branches, Purkinge Fibers |
What valve is open if the pressure in the left ventricle is greater than the pressure in the aorta | aortic semi-lunar valve |
End-diastolic volume is the amount of blood contained in the ventricles before they... | contract |
End-Systolic volume is the amount of blood in the ventricles after it has... | contracted |
stroke volume | What's the amount of blood ejected from the ventricles when it contracts |
speeds up | What effect does the sympathetic NS have on your heart rate |
What is the hormone that the sympathetic NS will release in order to speed up the heart rate | epinepherine / adreneline |
What is the effect of thyroid hormones would have on the heart rate | goes up |
What are the 3 different types of blood cells | Red (erythrocytes) - carries oxygen & carbon dioxide; White (leukocytes) - phagocytosis; Plateletts (thrombocytes) - clotting |
Diaphram | What is the anatomical structure that separates the thoracic cavity from the abdominal cavity |
Mitral valve & Bicuspid valve | The left AV valve has two names. Name them. |
What are the two regions of the hearts conduction system that contain pacemaker cells | SA node & AV node |
oxygenated | When your blood is nice & bright, it you that it is... |
Connecting the heart muscle cells together allowing an electrical current to flow directly from one cell to another cell is called what | gap junctions |
Can all 4 heart valves ever open at the same time | no |