CVS anatomy 1

Question 1

Where is the heart located?

Answer 1

Middle mediastinum

Question 2

What is the heart related to anteriorly?

Answer 2

Sternum and costal cartilages 4-7

Question 3

What is the heart related to posteriorly?

Answer 3

Oesophagus and descending aorta

Question 4

What is the heart related to laterally?

Answer 4

Pleura and phrenic nerve

Question 5

What is the heart related to inferiorly?

Answer 5

Central tendon of diaphragm

Question 6

What vertebrae does the heart lie anterior to?

Answer 6

T5-T8

Question 7

Where is the apex of the heart located?

Answer 7

5th left intercostal space, midclavicular line

Question 8

What forms the posterior surface of the heart?

Answer 8

Left atrium

Question 9

What forms the anterior surface of the heart?

Answer 9

Right ventricle, right atrium and left ventricle

Question 10

What forms the superior border of the heart?

Answer 10

Auricles and great vessels

Question 11

What are the 2 layers of the pericardium?

Answer 11

Fibrous and serous pericardium

Question 12

What type of tissue is the fibrous pericardium?

Answer 12

Dense irregular connective tissue

Question 13

What is the coronary sulcus?

Answer 13

Separates atria from ventricles

Question 14

What are the 2 main branches of the right coronary artery?

Answer 14

Right marginal artery

Posterior descending artery

Question 15

What are the 2 main branches of the left coronary artery?

Answer 15

Circumflex artery

Left anterior descending artery

Question 16

What does the right coronary artery supply?

Answer 16

Right atrium and right ventricle

Question 17

What does the right marginal artery supply?

Answer 17

Right ventricle and apex

Question 18

What does the left marginal artery supply?

Answer 18

Left ventricle

Question 19

What does the left circumflex artery supply?

Answer 19

Left atrium and left ventricle

Question 20

What vein lies alongside the anterior interventricular artery?

Answer 20

Great cardiac vein

Question 20

What does the left anterior descending artery supply?

Answer 20

Right ventricle, left ventricle and interventricular septum

Question 21

What vein lies alongside the posterior?

Answer 21

Middle cardiac vein

Question 22

What vein lies alongside the right marginal artery?

Answer 22

Small cardiac vein

Question 23

Where does the coronary sinus drain into?

Answer 23

Right atrium

Question 24

In terms of the heart, what does the phrenic nerve innervate?

Answer 24

Fibrous pericardium and parietal layer of serous pericardium

Question 25

In the terms of the heart, what does the vagus nerve innervate?

Answer 25

Innervates heart and visceral layer of serous pericardium

Question 26

Where does the sympathetic nerve supply of the heart originate from?

Answer 26

T1-T4

Question 27

What are the main features of the right atrium?

Answer 27

• Openings for IVC, SVC and coronary sinus
• Fossa ovalis
• Musculi pectinati and crista terminalis
• Tricuspid valve

Question 28

What are the main features of the right ventricle?

Answer 28

Tricuspid valve

3x papillary muscle

Chordae tendineae

Trabeculae craneae

Moderator band

Opening for pulmonary trunk

Question 29

How many papillary muscles are in the left ventricle and the right ventricle?

Answer 29

Right - 3

Left - 2