The Heart #2 Block 1

Question 1

what will happen if the right side of the heart became large? more than 1/3

Answer 1

you would think that the right ventricle could be enlarged

Question 2

how much of the heart is on the left side

Answer 2

2/3

Question 3

the heart has what kind of axis?

Answer 3

usually anterior and downward, oblique

Question 4

the electrical axis of the heart is how much?

Answer 4

60 degrees

Question 5

artria and verntricals are separated by what?

Answer 5

atrioventricular groove ( sulcus)

Question 6

what separates the left and right ventricle

Answer 6

the inter ventricular groove

Question 7

what is inside the interventicular groove?

Answer 7

blood vessels

Question 8

what is the shape of the heart

Answer 8

tilted pyramid

Question 9

how many borders are in the heart

Answer 9

4

Question 10

what is the apex formed by

Answer 10

the inferolateral part of the left ventricle

Question 11

where is the apex located

Answer 11

posterior to the 5th intercostal space in ADULTS

Question 12

when listening to apex you can hear?

Answer 12

mitral valve

Question 13

if you put your finger on the 5th intercostal space you can feel a heart beat why

Answer 13

because that is where the apex is beating

Question 14

where is the base of the heart

Answer 14

the left atrium

Question 15

the base of the heart faces what?

Answer 15

posteriorly to the body of T6-T9

Question 16

what is the base of the heart separated from

Answer 16

the pericardium

Question 17

where is hard to access on the heart

Answer 17

the base of heart

Question 18

what s located superiorly to the bifurcation of the pulmonary trunk

Answer 18

the base of the heart

Question 19

what is the VENOUS portion of the heart

Answer 19

the base of the hear

Question 20

what are the four surfaces of the heart

Answer 20

anterior surface inferiror surface(diaphragmatic) right surface left surface

Question 21

anterior surface of the heart is mainly formed by what

Answer 21

the right ventricle

Question 22

inferior surface of the heart is mainly made of

Answer 22

left and right ventricle

Question 23

what forms the right surface of the heart

Answer 23

the right atrium

Question 24

left surface of the heart is formed by?

Answer 24

left ventricle

Question 25

knowing what surface of the heart you are placing an electrode helps what?

Answer 25

where in the heart you are getting electrical impulse

Question 26

there are four borders of the heart what are they

Answer 26

right inferior left border

Question 27

the right border of the heart is formed by what

Answer 27

right atrium

Question 28

the inferior border is formed by?

Answer 28

right ventricle

Question 29

left border is formed by?

Answer 29

left ventricle

Question 30

superior border is formed by?

Answer 30

right and left atria

Question 31

where is transverse pericardial sinus located

Answer 31

behind the superior border of the chest

Question 32

what is dextrocardia

Answer 32

when the heart is on the right side of the body because of abnormal folding of the embryonic heart

Question 33

dextrocardia may be associated with what

Answer 33

problems of the lungs and problems of the vessels attached to the heart

Question 34

what is a mirror image positioning of the great vessels and the arch of the aorta?

Answer 34

dextocardia

Question 35

if heart is on the right side is this a problem

Answer 35

this is fine usually, unless the other organs are also located on the opposite side

Question 36

situs inversus is what?

Answer 36

when the organs are on the opposite side of the body

Question 37

Katagener syndrome?

Answer 37

this is when a patient has inverted internal organs and the cilia of the bronchi is not working properly, resulting in patient suffering for inflammation in bronchi and frequent pneumonia. Stomach can be on the right side instead of the left.

Question 38

isolated dextocardia

Answer 38

everything is on the right side of the body except for the heart

Question 39

is isolated dextcardia able to be fixed

Answer 39

yes you cut and reattach the parts to the correct origin locations

Question 40

the right atrium has blood coming from where

Answer 40

superior and interior vena cava and the CORONARY SINUS

Question 41

the opening of the coronary sinus is where

Answer 41

in the right atrium

Question 42

he posterior wall of the atrium is formed by?

Answer 42

walls of the superior and inferior vena cava

Question 43

the posterior wall of the right atrium is smooth why

Answer 43

because the walls of the superior and inferior vena cava are smooth

Question 44

anterior wall of the right atrium is formed by what

Answer 44

the pectinate muscles

Question 45

pectinate muscle is what texture

Answer 45

rough, making the anterior wall of the right atrium rough

Question 46

smooth and rough portions of the atrial wall are separated by what?

Answer 46

the crista terminals which is an internal vertical ridge

Question 47

what is the oval, thumbprint size depression that separates the intertribal septum

Answer 47

the fossa ovalis

Question 48

forman oval should be what?

Answer 48

closed, but it isn't always

Question 49

what is in the right atrium?

Answer 49

SA Node

Question 50

can you find an SA node on the right atrium of the heart?

Answer 50

not usually

Question 51

what is the back up node to the SA node

Answer 51

the Atroventicualr node

Question 52

where is the AV node

Answer 52

between right atria and right ventrical

Question 53

where is the bundle of his

Answer 53

in the middle of the right and left ventricle

Question 54