Topic 6.2 The Blood System Understandings, Applications & Skills Survey

Rate your knowledge or ability to complete each of these understandings, applications and skills on a 1-5 basis, with 1 being the lowest and 5 the highest rating.
Name: 


A red asterisk (*) indicates required questions.

  1. Arteries convey blood at high pressure from the ventricles to the tissues of the body.*
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  1. Arteries have muscle cells and elastic fibers in their walls.*
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  1. The muscle and elastic fibers asset in maintaining blood pressure between pump cycles.*
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  1. Blood flows through tissues in capillaries. Capillaries have permeable walls that allow exchange of materials between cells in the tissue and the blood in the capillary.*
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  1. Veins collect blood at low pressure from the tissues of the body and return it to the atria of the heart.*
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  1. Valves in veins and the heart ensure circulation of blood by preventing back flow.*
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  1. There is a separate circulation for the lungs.*
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  1. The heart beat is initiated by a group of specialized muscle cells in the right atrium called the sinoatrial node.*
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  1. The sinoatrial node acts as a pacemaker.*
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  1. The sinoatrial node sends out an electrical signal that stimulates contraction as it is propagated through the walls of the atria and then the walls of the ventricles.*
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  1. The heart rate can be increased or decreased by impulses brought to the heart through two nerves from the medulla of the brain.*
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  1. Epinephrine increases the heart rate to prepare for vigorous physical activity.*
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  1. Application: William Harvey's discovery of the circulation of the blood with the heart acting as the pump.*
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  1. Application: Pressure changes in the left atrium, left ventricle, and aorta during the cardiac cycle.*
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  1. Application: Causes and consequences of occlusion of the coronary arteries.*
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  1. Skill: Identification of blood vessels as arteries, capillaries, or veins from the structure of their walls.*
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  1. Skill: Recognition of the chambers and valves of the heart and the blood vessels connected to it in dissected hearts or in diagrams of heart structure.*
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Linda Kilch