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Echo A Exam 1 Parts1 and 2 Questions and Answers $11.49   Add to cart

Exam (elaborations)

Echo A Exam 1 Parts1 and 2 Questions and Answers

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Where precisely is the heart located? Ans- The heart sits in the mediastinum (the space between the lungs), just a little to the left of the center in most people (2/3 of the heart is left of center, while 1/3 is right). How many chambers does the heart have? How many on the right? How many o...

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  • August 2, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ECHO
  • ECHO
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Echo A Exam 1 Parts1
and 2 Questions and
Answers


Where precisely is the heart located?


Ans- The heart sits in the mediastinum (the space between the lungs), just a

little to the left of the center in most people (2/3 of the heart is left of

center, while 1/3 is right).




How many chambers does the heart have? How many on the right? How many on

the left? What are the two larger chambers called? What are the two smaller

chambers called?


Ans- The heart has 4 chambers (2 on each side). The larger chambers are

called ventricles, and the smaller ones are called the atrium.

,What is the name of the wall which separates the right side of the heart from

the left?


Ans- This wall is called the septum




Describe the job of each atrium. Describe the job of each ventricle.


Ans- The Atria receive blood from either the body (RA) or the lungs (LA). The

ventricles receive blood from the Atria, and then pump it from the heart to the

body (LV) or the lungs (RV).




What is the pulmonary circulatory pathway? What is the systemic circulatory

pathway? describe the oxygenation of the blood and all parts of each pathway.


Ans- The pulmonary circulatory pathway describes the flow of deoxygenated

blood from the right ventricle to the lungs via the pulmonary arteries.

Oxygenated blood then returns to the left atrium from the lungs by for

pulmonary veins. The systemic circulatory pathway describes the flow of

oxygenated blood from the left ventricle to the body via the aorta.

Deoxygenated blood then returns to the right atrium from the body via the IVC

and SVC and coronary sinus.

, How many great vessels are there? What are their names? Where do they

begin, and where do they end?


Ans- there are five great vessels. 1: Aorta from the left ventricle to the body.

2: Pulmonary arteries from the right ventricle to the lungs. 3: SVC from the

upper body to the right atrium. 4: IVC from lower body to right atrium. 5:

Pulmonary veins from lungs to the left atrium.




How many vessels bring blood back to the right atrium? What are their names?


Ans- There are three vessels which bring blood back to the right atrium. They

are the inferior vena cava (IVC) from the abdomen and lower extremities, the

superior vena cava (SVC) from the head and upper extremities, and the

coronary sinus (CS) from the heart walls themselves.




How many vessels bring blood back to the left atrium? What are their names?


Ans- There are four vessels which bring blood back to the left atrium. They

are all pulmonary veins, upper and lower from each lung.




Define the following four terms, and give the normal range for each: stroke

volume:

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