Gross anatomy of the heart WK7 L4

Question 1

WHAT IS THE CIRCULATORY SYSTEM?

Answer 1

HEART - BLOOD VESSELS - BLLOD - LYMPHATIC SYSTEM

Question 2

WHAT IS IN THE CARDIOVASCULAR SYSTEM?

Answer 2

HERAT - ARTERIES - VEINS - CAPILLARIES

Question 3

WHAT IS THE PULMONARY CIRCUIT?

Answer 3

(RIGHT SIDE) PUMPS DEOXYGENATED BLOOD TO LUNGS VIA LEFT AND RIGHT PULMONARY ARTERIES FOR GAS EXCHANGE - THEN PUMPS OXYGENATED BLOOD BACK TO HEART VIA 4 PULMONARY VEINS

Question 4

WHAT IS THE SYSTEMIC CIRCUIT?

Answer 4

(LEFT SIDE) SUPPLIES OXYGENATED BLOOD TO ORGANS VIA AORTA - BRINGS DE OXYGENATED BLOOD FROM TISSUES TO RIGHT ATRIUM VIA SUPERIOR AND INFERIOR CAVA

Question 5

WHAT IS THE LAYER CALLED THAT IS AROUND THE HEART?

Answer 5

PERICARDIUM

Question 6

WHAT IS THE PERICARDIUM?

Answer 6

SERUS MEMBRANE THAT ENCLOSES THE HEART

Question 7

WHAT DOES THE PERICARDIUM DO?

Answer 7

FORMS A BARRIER AROUND THE HEART AND STOPS THE HEART FROM OVER EXPANDING - STOPS ORGANS RUBBING OR TUGGING

Question 8

HOW MANY LAYERS DOES THE HEART WALL HAVE?

Answer 8

3

Question 9

WHAT ARETHE THREE DIFFRENT LAYERS OF THE HEART WALL?

Answer 9

EPICARDIUM - MYOCARDIUM - ENDOCARDIUM

Question 10

WHAT IE THE EPICARDIUM?

Answer 10

SEROUS MEMBRANCE WHICH COVERS HEART

Question 11

WHAT IS THE MYOCARDIUM?

Answer 11

THICK MUSCULAR LAYER AND FIBROUS SKELETON OF HEART - PROVIDES STRUCTURAL SUPPORT AND ATTACHMENT FOR CARDIAC MUSCLE

Question 12

WHAT IS THE ENDOCARDIUM?

Answer 12

SMOOTH INNER LINING OF EPITHELIAL TISSUE

Question 13

HOW MANY CHAMBERS DOES THE HEART HAVE?

Answer 13

4

Question 14

WHAT ARE THE 4 HEART CHAMBERS?

Answer 14

R AND L ATRIUM - R AND L VENTRICLES

Question 15

WHAT ARE THE R AND L ATRIUM?

Answer 15

SUPERIOR CHAMBERS OF THE HEART

Question 16

WHAT DO THE THE R AND L ATRIUM DO?

Answer 16

R ATRIUM RECIEVES BLOOD RETURNING TO THE HEART FROM SUPERIOR AND INFERIOR VENA CAVA - L ATRIUM RECIEVES RECIEVES BLOOD RETURNING TO THE HEART FROM PULMONARY VEINS

Question 17

WHAR ARE THE R AND L VENTRICLES?

Answer 17

TWO INFERIOR LARGER CHAMBERS

Question 18

WHAT DO THE R AND L VENTRICLES DO?

Answer 18

R VENTRICLE PUMPS BLOOD INTO PULMONARY TRUNK - L VENTRICLE PUMPS BLOOD INTO ASCENDING AORTA

Question 19

WHAT SEPPERATES THE TWO ATRIUM?

Answer 19

INTER ATRIAL SEPTUM

Question 20

WHAT ARE THE PECTINATE MUSCLES?

Answer 20

INTERNAL RODGES OF MYOCARDIUM IN RIGHT ATRIUM AND BOTH AURICLES

Question 21

WHAT SEPPERATES THE TWO VENTRICLES?

Answer 21

INTERVENTRICULAR SEPTUM

Question 22

WAHT IS THE TRABECULAE CARNEAE?

Answer 22

INTERNAL RIDGES IN BOTH VENTRICLES

Question 23

WHAT ARE THE VALVES OF THE HEART?

Answer 23

ATRIOVENTRICULAR VALVES (AV) - SEMILUNAR VALVES

Question 24

WHAT DO THE ATRIOVENTRICULAR VALVES DO?

Answer 24

PREVENTS BACKFLOW OF BLOOD INTO ATRIA

Question 25

WHAT TYPES OF ATRIOVENTRICULAR VALVES ARE THERE?

Answer 25

R AV VALVE HAS TRICUSID VALVE - L AV VALVE HAS MITRAL AND BISCUPID VALVE - CHORDAE TENDINAR (HEART STRINGS)

Question 26

WHAT DO THE SEMILUNAR VALVES DO?

Answer 26

CONTROL BLOOD FLOW INTO GREAT ARTERIES AND PREVENT BLOOD BACKFLOW INTO VENTRICALES

Question 27

WHAT TYPES OF SEMILUNAR VALVES ARE THERE?

Answer 27

AORTIC VALVE AND PULMONARY VALVE