Term
What specialty in medicine focuses on blood? |
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Definition
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Term
Which of the four primary tissue types is blood? |
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Definition
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Term
When blood is centrifuged, three layers form. List them. |
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Definition
Plasma Leukocytes and Platelets Erythrocytes |
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Term
List the three major functions of blood. |
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Definition
Transportation Regulation Protection |
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Term
What does the blood transport? |
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Definition
Oxygen Carbon Dioxide Hormones Nutrients Waste Products |
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Term
What does the blood help regulate? |
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Definition
Body Temperature pH Fluid Levels |
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Term
How does the blood help protect the body? |
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Definition
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Term
What are the major components of plasma? |
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Definition
Water Proteins Other Molecules |
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Term
List the formed elements of the blood. |
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Definition
Erythrocytes (Red Blood Cells) Leukocytes (White Blood Cells) Platelets |
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Term
What specialty in mecicine deals with the heart? |
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Definition
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Term
What are the two circuits of the cardiovascular system? |
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Definition
Systemic Circuit Pulmonary Circuit |
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Term
Which side of the heart pumps blood into the pulmonary circuit? |
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Definition
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Term
Wich side of the heart pumps blood into the systemic circuit? |
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Definition
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Term
Approximately how large is the heart? |
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Definition
The size of the person's clenched fist |
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Term
Where is the heart located? |
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Definition
About one third of it is left of the midline posterior to the sternum in the middle mediastinum. The other third is to the right of the midline. |
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Term
What is the base of the heart? |
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Definition
The posterosuperior surface, formed primarily by the left atrium |
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Term
What is the apex of the heart? |
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Definition
The inferior, conical end. It projects slightly aterioinferiorly towards the left side of the body |
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Term
What is the outer, tough, dense connective tissue layer of the sac surrounding the heart? |
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Definition
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Term
What fibrous, serous sac surrounds the heart? |
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Definition
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Term
What is the inner portion of the sac surrounding the heart? |
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Definition
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Term
What layer of the serous pericardium covers the outside of the heart? |
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Definition
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Term
What layer of the serous pericardium lines the inner surface of the fibrous pericardium? |
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Definition
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Term
What is the space between the parietal and visceral layers of pericardium? |
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Definition
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Term
List the three layers of the heart wall. |
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Definition
Endocardium Myocardium Epicardium |
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Term
What layer of the heart is a serous membrane? |
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Definition
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Term
What layer of the heart is composed of cardiac muscle? |
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Definition
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Term
What layer of the heart is composed of a single layer of simple squamous epithelium? |
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Definition
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Term
How many chambers make up the heart? |
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Definition
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Term
What are the two superior chambers of the heart that receive the blood returning from the body and the lungs? |
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Definition
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Term
What are the two inferior chambers of the heart that pump blood to the lungs and the body? |
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Definition
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Term
What relatively deep depression lies between the atria and the ventricles of the heart? |
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Definition
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Term
What depressions lie between the ventricles of the heart? |
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Definition
Anterior and posterior interventricular sulci |
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Term
What structure composed of dense irregular connective tissue lies between the atria and ventricles of the heart? |
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Definition
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Term
The right atrium of the heart receives blood from what circuit? |
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Definition
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Term
What three vessels empty into the right atrium? |
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Definition
Superior Vena Cava Inferior Vena Cava Coronary Sinus |
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Term
What structure separates the right and left atria of the heart? |
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Definition
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Term
What separates the right atrium and right ventricle? |
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Definition
Right Atrioventricular Opening |
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Term
What prevents blood from returning to the right atrium as the right ventricle contracts? |
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Definition
Right Atrioventricular (AV) Valve (Tricuspid) |
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Term
What structure separates the right and left ventricles of the heart? |
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Definition
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Term
What nipple-like structures project from the wall of the right ventricle? |
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Definition
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Term
What structures anchor the tricuspid valve to the walls of the right ventricle and prevent it from everting into the right atrium? |
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Definition
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Term
What valve prevents blood from returning to the right ventricle as that ventricle relaxes? |
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Definition
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Term
What blood vessels carry blood from the lungs to the left atrium of the heart? |
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Definition
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Term
What separates the left atrium from the left ventricle? |
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Definition
Left Atroventricular Opening |
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Term
What structure prevents blood from retyrning to the left atrium as the left ventricle contracts? |
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Definition
Left Atrioventricular (AV) Valve (Mitral or bicuspid valve) |
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Term
What structures anchor the mitral valve to the walls of the left ventricle and prevent it from everting into the left atrium? |
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Definition
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Term
What nipple-like structures project from the walls of the left ventricle? |
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Definition
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Term
What structure prevents blood from returning from the left ventricle as that ventricle relaxes? |
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Definition
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Term
What system of arteries, capillaries, and veins supplies the heart with blood? |
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Definition
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Term
What arteries arise from the ascending aorta to supply the heart with blood? |
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Definition
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Term
What brance of the right coronary artery supplies the right border of the heart? |
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Definition
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Term
What branch of the right coronary artery lies within the posterior side of the heart? |
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Definition
Posterior Interventricular Arteries |
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Term
What branch of the left coronary artery lies in the anterior interventricular sulcus and supplies the anterior walls of the ventricles? |
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Definition
Anterior Interventricular Artery |
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Term
What branch of the left coronary atery lies within the atrioventricular sulcus and supplies the left atrium and left ventricle? |
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Definition
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Term
What is a communication between or coalecence of blood vessels? |
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Definition
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Term
What is circulation of blood extablished through enlargement of minor vessels and anastomosis of vessels with those of adjacent parts when a major vein or artery is functionally impaired (as by obstruction)? |
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Definition
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Term
What vein in the coronary circulation lies in the anterior interventricular sulcus and the left side of the AV sulcus? |
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Definition
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Term
What vein in the coronary circulation lies in the posterior interventricular sulcus? |
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Definition
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Term
What vein in the coronary circulation runs along side the right marginal artery and lies in the right portion of the AV sulcus? |
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Definition
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Term
What large vein lies in the AV sulcus on the posterior side of he heart and drains into the right atrium? |
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Definition
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Term
What functional, motor division of the nervous system innervates the heart? |
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Definition
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Term
What division of the ANS increases the rate and strength of the heart beats? |
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Definition
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Term
From what portion of the CNS does the sympathetic division innervating the heart emerge? |
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Definition
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Term
What is the division the the ANS wich slows the heart rate? |
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Definition
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Term
What nerve carrying parasympathetic impulses innervates the heart? |
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Definition
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Term
Of the three formed elements of the blood, which is not made up of cells? |
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Definition
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