sonosim heart anatomy

Question 1

where is the heart positioned

Answer 1

deep in thorax; slightly to the left of the sternum

Question 2

what does the heart sit atop

Answer 2

diaphragm at level of xiphoid

Question 3

what accounts for most of the posterior surface of the heart

Answer 3

left ventricle

Question 4

what accounts for most of the anterior surface of the heart

Answer 4

right ventricle

Question 5

what makes up the right border of the heart

Answer 5

right atrium

Question 6

what makes up the left border of the heart

Answer 6

left ventricle and part of left atrium

Question 7

what covers the heart

Answer 7

pericardium

Question 8

the pericardium is also referred to as the

Answer 8

pericardial sac

Question 9

what all is contained within the pericardium

Answer 9

the heart and the proximal roots of the great vessels

Question 10

how many layers does the pericardium have

Answer 10

2

Question 11

what is the external layer of the pericardium

Answer 11

fibrous pericardium

Question 12

what is the internal layer of the pericardium

Answer 12

serous pericardium

Question 13

which layer of the pericardium is divided into two layers

Answer 13

serous pericardium

Question 14

what are the two layers of the serous pericardium

Answer 14

parietal and visceral layers

Question 15

where does the parietal layer adhere to

Answer 15

inner surface of the fibrous pericardium

Question 16

the visceral layer is also a part of what layer

Answer 16

epicardial layer

Question 17

what is the function of the small amount of serous fluid that is between the visceral and parietal layers of the hearts pericardial layers

Answer 17

lubricates the layers as they slide past each other

Question 18

the inferior tip of the heart is also known as the

Answer 18

apex

Question 19

how many chambers does the heart have

Answer 19

4

Question 20

what are the four chambers of the heart

Answer 20

two upper atria and two lower ventricles

Question 21

the walls of the atria are

Answer 21

thin

Question 22

the ventricles are muscular and

Answer 22

thick walled

Question 23

which side of the heart is usually bigger

Answer 23

left side

Question 24

the blood in the right atrium is

Answer 24

deoxygentated

Question 25

where does the blood in the right atrium come from

Answer 25

vena cava and coronary sinus

Question 26

where does the right side of the heart deliver blood to

Answer 26

the lungs via pulmonary arteries

Question 27

where does the blood in the left heart come from

Answer 27

the lungs via pulmonary veins

Question 28

the left heart delivers blood to the body via the

Answer 28

aorta