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The AV valves are closed
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∙ 11y ago
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Is true that a heart murmur is most likely due to a sustained state o f ventricular systole?
No. Heart murmurs are usually caused by turbulent blood flow around leaky or otherwise insufficient heart valves. Sustained ventricular systole is not a real condition as far as I know.
Do papillary muscles prevent the AV valves from prolapsing excessively into the atria when the ventricles contract?
Papillary muscles are connected to the chordae tendonae on the AV valves. During ventricular systole ( contraction of the ventricles) the papillary muscles contract preventing regurgitation of blood back into the atriums.
How do you fix left ventricular dysfunction?
In most cases, ventricular dysfunction can be helped with medication or a pacemaker. However, a true fix is surgery but it is not always successful.
Is the pressure in the right ventricle higher or lower than the left ventricle?
The pressure in the left ventricle is significantly higher than the pressure in the right ventricle. This is true with the assumption that you are referring to ventricular systole (contraction of the ventricle). The left ventricle forces blood out of the heart into the aorta to all parts of the body, and that same pressure forces blood back through the veins.
Which of the following is a true statement about European peasants during the Enlightenment?
European peasants during the Enlightenment generally experienced improvements in agriculture, technology, and education, leading to some advancements in their living conditions. However, they still faced social and economic challenges, such as high taxes and limited rights. The Enlightenment did not bring about significant changes in their overall status or societal position.
Which group of the following was true about the deportation of Mexican Americans during the Great Depression?
find it yo self
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true
Is the following sentence true or false active transport always requires transport proteins during the process?
false
Which of the following statement about the ice age is true?
During the ice ages, icy glaciers covered much of the continents.
Is the following sentence true or false active transport always requiring transport proteins during the process?
false
Which of the following statements about west Africa during the era of the European slave trade is true?
Which of the following statements is true of life in the West? No permanent class of laborers existed. Immigrants did not want to settle there. The land was unsuitable for farming. its the first one
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Metamorphosis is a change in form and physiology that occurs during the development of an insect.
