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Anatomy (COLLECTIVE) > The Heart #2 Block 1 > Flashcards

The Heart #2 Block 1 Flashcards

1
Q

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

A

you would think that the right ventricle could be enlarged

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2
Q

how much of the heart is on the left side

A

2/3

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3
Q

the heart has what kind of axis?

A

usually anterior and downward, oblique

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4
Q

the electrical axis of the heart is how much?

A

60 degrees

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5
Q

artria and verntricals are separated by what?

A

atrioventricular groove ( sulcus)

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6
Q

what separates the left and right ventricle

A

the inter ventricular groove

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7
Q

what is inside the interventicular groove?

A

blood vessels

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8
Q

what is the shape of the heart

A

tilted pyramid

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9
Q

how many borders are in the heart

A

4

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10
Q

what is the apex formed by

A

the inferolateral part of the left ventricle

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11
Q

where is the apex located

A

posterior to the 5th intercostal space in ADULTS

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12
Q

when listening to apex you can hear?

A

mitral valve

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13
Q

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

A

because that is where the apex is beating

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14
Q

where is the base of the heart

A

the left atrium

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15
Q

the base of the heart faces what?

A

posteriorly to the body of T6-T9

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16
Q

what is the base of the heart separated from

A

the pericardium

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17
Q

where is hard to access on the heart

A

the base of heart

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18
Q

what s located superiorly to the bifurcation of the pulmonary trunk

A

the base of the heart

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19
Q

what is the VENOUS portion of the heart

A

the base of the hear

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20
Q

what are the four surfaces of the heart

A

anterior surface inferiror surface(diaphragmatic) right surface left surface

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21
Q

anterior surface of the heart is mainly formed by what

A

the right ventricle

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22
Q

inferior surface of the heart is mainly made of

A

left and right ventricle

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23
Q

what forms the right surface of the heart

A

the right atrium

24
Q

left surface of the heart is formed by?

A

left ventricle

25
Q

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

A

where in the heart you are getting electrical impulse

26
Q

there are four borders of the heart what are they

A

right inferior left border

27
Q

the right border of the heart is formed by what

A

right atrium

28
Q

the inferior border is formed by?

A

right ventricle

29
Q

left border is formed by?

A

left ventricle

30
Q

superior border is formed by?

A

right and left atria

31
Q

where is transverse pericardial sinus located

A

behind the superior border of the chest

32
Q

what is dextrocardia

A

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

33
Q

dextrocardia may be associated with what

A

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

34
Q

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

A

dextocardia

35
Q

if heart is on the right side is this a problem

A

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

36
Q

situs inversus is what?

A

when the organs are on the opposite side of the body

37
Q

Katagener syndrome?

A

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.

38
Q

isolated dextocardia

A

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

39
Q

is isolated dextcardia able to be fixed

A

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

40
Q

the right atrium has blood coming from where

A

superior and interior vena cava and the CORONARY SINUS

41
Q

the opening of the coronary sinus is where

A

in the right atrium

42
Q

he posterior wall of the atrium is formed by?

A

walls of the superior and inferior vena cava

43
Q

the posterior wall of the right atrium is smooth why

A

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

44
Q

anterior wall of the right atrium is formed by what

A

the pectinate muscles

45
Q

pectinate muscle is what texture

A

rough, making the anterior wall of the right atrium rough

46
Q

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

A

the crista terminals which is an internal vertical ridge

47
Q

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

A

the fossa ovalis

48
Q

forman oval should be what?

A

closed, but it isn’t always

49
Q

what is in the right atrium?

A

SA Node

50
Q

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

A

not usually

51
Q

what is the back up node to the SA node

A

the Atroventicualr node

52
Q

where is the AV node

A

between right atria and right ventrical

53
Q

where is the bundle of his

A

in the middle of the right and left ventricle

54
Q
A
55
Q
A

Anatomy (COLLECTIVE) (17 decks)

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