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NU 327 Exam 3 Questions and Answers – New Update $11.49   Add to cart

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NU 327 Exam 3 Questions and Answers – New Update

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NU 327 Exam 3 Questions and Answers – New Update What is the main goal of the circulatory system? - Answer-transport oxygen and nutrients and the removal of metabolic waste products within the body Where does the right ventricle pump blood to? - Answer-the lungs Where does the left ventricle...

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  • October 16, 2024
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EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024




NU 327 Exam 3 Questions and Answers –
New Update

What is the main goal of the circulatory system? - Answer✔✔-transport oxygen and nutrients

and the removal of metabolic waste products within the body


Where does the right ventricle pump blood to? - Answer✔✔-the lungs


Where does the left ventricle pump blood to? - Answer✔✔-systemically


Systemic circulation - Answer✔✔-Left ventricle to aortic valve pumps oxygenated blood into the

aorta, smaller arteries and arterioles, goes to the venules and veins and is deoxygenated blood

to right atrium, tricuspid valve, right ventricle to pulmonary valve


How many liters of blood goes through the circuit each minute? - Answer✔✔-5


What is the principle tissue of the aorta, arteries and arterioles? - Answer✔✔-smooth muscle


What are the capillaries made up of? - Answer✔✔-single layer of endothelial cells


What is the principle tissue of the venules, veins and superior vena cava? - Answer✔✔-

connective tissue


What do the lymphatics do? - Answer✔✔--vessels begin blindly(not in a circuit)


-reabsorbs fluid that leaks out of vascular space (lymph)


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What is the intima? - Answer✔✔--layer of endothelial cells


-direct contact with blood


-want it to be smooth, larger than the artery


-valves keep the flow going in one direction and do not let it back flow


What is the media? - Answer✔✔--middle layer


-smooth muscle and elastin


-thicker in arteries


What is the adventitia? - Answer✔✔--outer layer


-supportive connective tissue


What is extrinsic blood flow? - Answer✔✔--vasoconstriction


-sympathetic nervous system


-norepinephrine


What is intrinsic blood flow? - Answer✔✔--autoregulation


-maintaining a constant flow regardless of changes in arterial pressure


What should the mean arterial pressure be and what is the formula? - Answer✔✔--at least 60


-Diastolic BP times 2 + Systolic and divide by 3


What are blood clots composed of? - Answer✔✔--aggregated platelets


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-clotting factors


-fibrin


Where do blood clots form? - Answer✔✔--chambers of the heart


-arterial or venous peripheral circulatory systems


What do arterial blood clots do? - Answer✔✔--may reduce flow (turbulence)


-distal ischemia


What do venous blood clots do? - Answer✔✔--clot alters venous return


-impairs removal of metabolic waste


-produces edema


What does arterial blood flow do? - Answer✔✔-sends oxygenated blood to all the organs


What does venous blood flow do? - Answer✔✔-returns deoxygenated blood back to the heart


What are clinical manifestations of arterial blood clots? - Answer✔✔--intermittent claudication


-cool to touch


-cyanotic


-arterial ulcer


What are clinical manifestations of venous blood clots? - Answer✔✔--may be asymptomatic to

life threatening


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-calf or groin tenderness


-edema


-increased skin temperature


-homan sign (10%)


What are treatments for a thrombus? - Answer✔✔--oral or perenteral anticoagulants


-drugs to block platelet aggregation


-antiembolic stockings


-sequential compression devices


-early ambulation


-removal of the thrombus


A traveling blood clot from the aorta causes: - Answer✔✔-a stroke


A traveling blood clot from the right heart causes: - Answer✔✔-a pulmonary embolism


What are clinical manifestations of a traveling blood clot(embolus)? - Answer✔✔--ischemic

stroke


-sudden onset shortness of breath


-increased respiratory rate


-chest pain



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