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Cardio Pulm

Normal CV structure

Name the great vessels that attach to the heart? Superior Vena Cava, Inferior Vena Cava, Aorta, Pulmonary arteries, Pulmonary Veins
Which vessel returns deoxygentated blood from UE, head, neck, and upper chest? SVC
Which vessel returns deoxygentated blood from LE, lower chest, abdomen, and legs? IVC
What carries deoxygentated blood from right ventricle to the lungs? pulmonary artery
What carries oxygentated blood from the lungs to the left atrium? pulmonary veins
What is the largest vessel in the body? Aorta
What vessel carries oxygentaed blood from the heart to the body? aorta
What part of the aorta carries blood to the head, neck, and arms via carotid arteries and subclavian? ascending aorta
What part of the aorta carries blood to the abdominal region, LE, and visceral region? descending aorta
This surface of the heart is made up primarily of the right atrium and ventricle. sternocostal surface
What surface of the heart is made up primarily of the left ventricle and part of the right ventricle? diaphragmatic surface
What surface of the heart is made up largely of the left ventricle and cardiac notch area of the left lung? pulmonary surface
This includes the tip of the left ventricle and lies around the 5th intercostal space, mid clavicular line. Apex of the heart
the base of the hear lies adjacent to the vertebral border of __-__. T6-9
What part of the heart is formed primarily of the left atrium and a small portion of the right atrium? the base
How many layers of the heart are there? Name them. 3, epicardium, endocardium, myocardium
What is the outermost layer of the heart? epicardium
What layer of the heart are the coronary arteries located in? epicardium
This is the thickest layer of the muscle wall of the heart, and is responsible for muscle contraction of each heart beat. myocardium
This is the area of damage during an MI. myocardium
What is the thin innermost layer of the heart? endocardium
What layer of the heart contains endothelial tissue that lines cardiac chambers and valves? endocardium
What is the double walled connective tissue sac (fibrous and serous layers) that surround the heart and protect against trauma or infection? pericardial sac
What heart chamber receives deoxygentated blood through the vena cava , and coronary arteries via the coronary sinus, and pumps blood through a tricuspid valve? right atrium
What heart chamber Recieves deoxygentated blood from the right atrium via the tricuspid valve, and pumps blood though the pulmonic valve to lungs? right ventricle
What chamber receives oxygenated blood from the 4 valveless openings of the pulmonary veins,and pumps oxygenated blood forward through the mitral valve? left atrium
What chamber receives blood from the left atrium via the mitral valve and pumps blood through the aortic valve to the aorta, coronary arteries, and rest of systemic circulation? left ventricle
What creates the heart sounds heard on examination with a stethoscope? closing of the valves
How may tricuspid cardiac valves are there? 3
How many bicuspid cardiac valves are there? 1 (mitral valve)
Where kind of valve is located between the right atrium and ventricle? What other valves are tricuspid? tricuspid, pulmonic and aortic
Where is the mitral(bicuspid) valve located? between the left atrium and left ventricle
Blood supply to the heart is provided by what? coronary arteries
What areas of the heart does the left anterior descending artery supply? left ventricle, interventricular septum, right bundle branch, part of the left bundle branch, and the area around the apex
What supplies blood to the left ventricle, posterior fascicle of the left bundle branch, and left atrium? circumflex artery
What artery comes off of the Aorta and runs along the surface of the left atrium where it splits into the left anterior descending artery and the left circumflex artery? left main artery
What artery comes off of the Aorta and goes around the heart in the opposite direction of the circumflex artery, going across the right ventricle and underneath the heart to feed the inferior muscle of the left ventricle? Right coronary artery (RCA)
What are the branches of the RCA? right descending artery, right acute marginal artery, posterior lateral branch
This reflex causes vasodilatation secondary to inhibition of the vasomotor centers within the medulla as well as a decrease in HR and strength of contractility secondary to vagal stimulation. baroreceptor reflex
The baroreceptor reflex is activated when pressure is above ___mmHg, and peaks at ___mmHg. 60mmHg, 160mmHg
This reflex responds to the need for increased depth and rate of ventilation. chemoreceptor reflex
This node is located in the upper right corner of the right atrium and is the pacemaker of the heart. SA node
What is the normal range for the SA node? 60-100bpm
This node is responsible for delaying the impulses that reach it, allowing the ventricles to complete their filling phase as the atria contract. AV node
AV node normal rate is? 40-60bpm
These resume the rapid conduction of the impulses through the ventricles. bundle branches
What is the network of nervous tissue that extends through the ventricles? purkenjie fibers
What is the normal rate for purkenjie fibers? 20-40bpm
Created by: txst spr 2010



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