The HEART #2 Block 1

Question 1

how do you measure electrical activity of the heart

Answer 1

with ECG

Question 2

what are the five waves of ECG

Answer 2

p
q
s
r
t

Question 3

contraction of the ventricles begins where

Answer 3

at the apex

Question 4

p wave?

Answer 4

the impulses that spread across the atria, triggering atrial contraction

Question 5

what does t eve measure

Answer 5

ventricle return to resting state

Question 6

QRS complex measure?

Answer 6

impulse that spreads to ventricles, triggering ventricular contraction

Question 7

damage of the conducting system of the heart can lead to what

Answer 7

a heart block

and delay of the electrical signals of the heart. Patient will also not pump enough blood into the aorta

Question 8

what is arterial or ventricular fibrillation?

Answer 8

a cardiac arrythmia thats results in irregular incoordination contractions of the atria or ventricular muscle

Question 9

heart block requires what?

Answer 9

a pacemaker

Question 10

if there is a ventricular fibrillation patients will?

Answer 10

die

Question 11

if there is atrial fibrillation patent can ?

Answer 11

live

Question 12

what atrium is smaller and has thicker walls and has smooth walls?

Answer 12

the left atrium

Question 13

what is the most posterior of the four chambers

Answer 13

the left atrium

Question 14

what part of the heart receives oxygenated blood through the four pulmonary veins

Answer 14

the left atrium

Question 15

lots of diseases and problems happen where in the heart

Answer 15

left atrium

Question 16

the right ventricle contains what?

Answer 16

papillary muscles and trabeculae carnea cordis

Question 17

the muscular regions of the myocardium in the ventricles are called what

Answer 17

trabeculae carneae cordis

Question 18

te role of the papillary muscles do what

Answer 18

contract and tighten the chord tendinea and prevents the cusps of the tricuspid valve from being everted ingot he atrium

Question 19

what are the three papillary muscles

Answer 19

anterior, posterior and septal

Question 20

chordae tenidinea are where

Answer 20

in the right ventricel

Question 21

cornus arteriosus ( Infundibulium) is the beginnig of what

Answer 21

the pulmonary trunk

Question 22

what is the septomarginal trabecula ( moderator Band)

Answer 22

it helps the pericardium prevent over distention of the right ventricle

Question 23

when will patient develop block of the right branch of the bundle of his

Answer 23

if septomarginal trabecula are damaged

Question 24

what are the two parts of the IV Septum

Answer 24

muscular and membranous

Question 25

where is it common to have ventricular septal defects?

Answer 25

the membranous part of the IV septum

Question 26

what is the number one congenital deffect of the heart

Answer 26

VSD- ventricular septal defect

Question 27

what is the exist portion of the right ventricle

Answer 27

the conus anteriosus

Question 28

left ventricle is dived into what?

Answer 28

left ventricle proper | aortic vestibule

Question 29

what wall is in left ventricle

Answer 29

bicuspid wall

Question 30

what kind of wall is in the right ventricle

Answer 30

tricuspid wall

Question 31

where is the pulmonary valve

Answer 31

in the pulmonary trunk and is on the level of the 3rd costal cartilage

Question 32

where will you hear the pulmonary valve

Answer 32

most audible over the 2nd left intercostal space

Question 33

which valve closes later

Answer 33

the aortic wall closes first because blood pressure is higher there, and the pulmonary valve closes a little after

Question 34

there are more common disease in what valve

Answer 34

aortic valve

Question 35

where is the best place to hear the aortic valve

Answer 35

from the right 2nd inter costal space

Question 36

the aortic valve has how many cusps

Answer 36

3

Question 37

where is the coronary sinus

Answer 37

the space between aortic wall and the cusp

Question 38

the tricuspid valve lies where

Answer 38

between the right atrium and ventricle

Question 39

when we have problems with tricuspid wall what helps out

Answer 39

the bicuspid wall

Question 40

if someone has a problem with their tricuspid wall what may the patient be doing

Answer 40

they may be a drug abuser

Question 41

bicuspid valve is also called..

Answer 41

mitral valve

Question 42

the bicuspid valve is between what

Answer 42

left atrium and left ventricle

Question 43

where is the bicuspid valve most audible

Answer 43

near the apex of the heart (5th intercostal line)

Question 44

what is myocardial infarction

Answer 44

necrosis of the myocardium because of local ischemia resulting from vasopasm or obstruction of the blood supply

Question 45

what are some symptoms of myocardial infarction

Answer 45

chest pain that is more then 30 minuets | congestive heart failure, murmur of the mitral regurgtitation

Question 46

what is the difference between angina pectoris | and myocardial infarction

Answer 46

no necrosis

Question 47

what is characterized by attics of chest pain that originate in the heart and are felt beneath the sternum and causes pain in the left shoulder and down the arm

Answer 47

angina pectoris

Question 48

what is the condition in which the valve everts into the left atrium and thus fails to close properly

Answer 48

mitral valve prolapse

Question 49

( inflammation of the valve) what is known as an infection of the endcardium of the heart and most commonly involves the heart valves and is caused by a cluster of bacteria in the valves

Answer 49

endocarditis

Question 50

what can cause inflammation of the valves

Answer 50

bacteria or autoimmune disease

Question 51

when does the valve loose capacity to close or shut tightly because of bacteria clusters

Answer 51

endocarditis

Question 52

what is the number one cause of death in U.S

Answer 52

blockage of the coronary arteries

Question 53

coronary arteries arise from what

Answer 53

the ascending aorta

Question 54

when do coronary arteries get maximum blood

Answer 54

diastole

Question 55

one of the first things you need to do in patients to improve blood to the heart

Answer 55

is decrease the heart rate

Question 56

right and left coronary arteries have what

Answer 56

branches

Question 57

SA nodal Artery gets blood supply from where

Answer 57

right coronary artery

Question 58

which arteries are visible

Answer 58

marginal arteries and Posteror Descending Artery

Question 59

what is the number one artery that is blocked during myocardial infarct?

Answer 59

Anterior IV Artery ( left coronary artery)

Question 60

circumflex supply what

Answer 60

left ventricle lateral wall and left atrium

Question 61

the right coronary artery gives rise to what

Answer 61

large posterior interventricular branch

Question 62

which coronary artery dominates in supplying blood to posterior of heart

Answer 62

the right artery

Question 63

the number one vein of the heart? the biggest

Answer 63

the coronary sinus

Question 64

what vein leis in the coronary sulcus

Answer 64

the coronary sinus

Question 65

Where are the Coronary sinus, great cardiac vein, and Middle Cardiac Vein

Answer 65

*show on picture*

Question 66

where is the source of the cardiac plexus

Answer 66

the sympathetic nerve