anatomy of the heart

Question 1

what are the two categories of sulci the heart?

Answer 1

coronary and interventricular

Question 2

what does the coronary sulcus divide?

Answer 2

atrium and ventricles

Question 3

what does the interventricular sulcus divide?

Answer 3

ventricles

Question 4

what are the two interventricular sulci?

Answer 4

anterior and posterior

Question 5

what are the three branches of the left coronary artery?

Answer 5

1. circumflex branch 2. marginal branch 3. left anterior descending artery

Question 6

what are the three branches of the right coronary artery?

Answer 6

1. marginal 2. branch to the SA node 3. posterior descending interventricular artery

Question 7

what are the two layers of the pericardium?

Answer 7

serrous and fibrous

Question 8

what layers make up the serrous pericardium?

Answer 8

visercal which adheres to the heart and parietal which adheres to the surface of the fibrous pericardium

Question 9

what does the right coronary artery supply?

Answer 9

1. SA node 2. right atrium 3. right ventricle 4. AV node 5. L ventricle 6. L atrium 7. inreratrial septum 8. IV septum

Question 10

what does the left coronary artery supply?

Answer 10

1. AV branches/bundles 2. left atrium 3. left ventricle 4. IV septum

Question 11

____ percentage of people have right dominant coronary circulation

Answer 11

85%

Question 12

____ percentage of people have right dominant coronary circulation

Answer 12

8%

Question 13

____ percentage of people have codominant coronary circulation

Answer 13

7%

Question 14

right-dominant left-dominant coronary artery circulation _______ arises from the ______

Answer 14

posterior descending artery arises from the right coronary artery

Question 15

left-dominant coronary artery circulation _______ arises from the ______

Answer 15

posterior descending artery arises from the left coronary artery

Question 16

co-dominant coronary artery circulation _______ arises from the ______

Answer 16

posterior descending artery arises from the right and the left coronary artery

Question 17

Answer 17

right posterior descending interventricular artery

Question 18

Answer 18

Question 19

Answer 19

1 and 2- coronary sulcus

3- interventricular sulcus

Question 20

Answer 20

1. pericardium
2. myocardium

Question 21

Answer 21

1. brnahc to SA node

right coronary artery

2. marginal artery

Question 22

Answer 22

1. great cardiac vein
2. posterior cardiac vien
3. small cardiac vein
4. middle cardiac vein
5. coronary sinus

Question 23

what surface is presented?

Answer 23

diaphragmatic surface

Question 24

what surface is presented?

Answer 24

sternocostal surface

Question 25

Answer 25

great cardiac vein

Question 26

Answer 26

left marginal branch

Question 27

Answer 27

left coronary artery 1. left anterior descending coronary artery 2. circumflex coronary artery

Question 28

septomarginal trabecula consists of _____ and \_\_\_\_\_\_

Answer 28

moderator band and septal limb

Question 29

the moderator band carries ______ to the right ventricle

Answer 29

conduction

Question 30

what is composed of the cardiac skeleton

Answer 30

the plane of the heart that has all four valves

Question 31

Answer 31

left ventricle

Question 32

Answer 32

right ventricle

Question 33

Answer 33

left atrium

Question 34

Answer 34

right atrium

Question 35

Answer 35

valve of foramen ovale

Question 36

Answer 36

1. mitral valve 2. chordae tendineae 3. papillary muscle anterior and posterior

Question 37

Answer 37

pulmonary semilunar valve

Question 38

Answer 38

1. interaterial septum 2. limbus 3. fossa ovalis 4. sinus venarum 5. right auricle 6. cristia terminalis 7. pectinate muscles 8. tricuspid valve 9. opening of coronary sinus

Question 39

Answer 39

1. coronary sulcus 2. anterior interventricular sulcus

Question 40

Answer 40

1. supraventricular crest 2. trabeculae carneae 3. septal limb 4. moderator band

Question 41

Answer 41

1. anterior papillary muscle 2. posterior papillary muscle mitral valve chordae tendieae

Question 42

the pulmonary vavle is right of the ____ intercoastal space and the aortic vavle is just left of the ______ intercoastal space; the mitral valve is heard in the _____ intercoastal space

Answer 42

2nd; 5th

Question 43

the conduction system _____ and ____ the heart contraction

Answer 43

initiates and coordinates

Question 44

the lub is the S1/S2 sound and it is the simutaneous closing of the ________ valves

Answer 44

S1; tricuspid and mitral

Question 45

the dub is the simutaneous closing of the _____ valves and is the S1/S2

Answer 45

S2; semilunar valves

Question 46

Answer 46

1. SA node 2. AV node 3. AV bundle (bundle of his) 4. purkinje fibers

Question 47

the ______ plexus innervates the heart

Answer 47

cardiac

Question 48

Answer 48

Question 49

Answer 49

Question 50

Answer 50