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BMS165 > Gross anatomy of the heart WK7 L4 > Flashcards

Gross anatomy of the heart WK7 L4 Flashcards

1
Q

WHAT IS THE CIRCULATORY SYSTEM?

A

HEART - BLOOD VESSELS - BLLOD - LYMPHATIC SYSTEM

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2
Q

WHAT IS IN THE CARDIOVASCULAR SYSTEM?

A

HERAT - ARTERIES - VEINS - CAPILLARIES

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3
Q

WHAT IS THE PULMONARY CIRCUIT?

A

(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

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4
Q

WHAT IS THE SYSTEMIC CIRCUIT?

A

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

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5
Q

WHAT IS THE LAYER CALLED THAT IS AROUND THE HEART?

A

PERICARDIUM

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6
Q

WHAT IS THE PERICARDIUM?

A

SERUS MEMBRANE THAT ENCLOSES THE HEART

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7
Q

WHAT DOES THE PERICARDIUM DO?

A

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

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8
Q

HOW MANY LAYERS DOES THE HEART WALL HAVE?

A

3

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9
Q

WHAT ARETHE THREE DIFFRENT LAYERS OF THE HEART WALL?

A

EPICARDIUM - MYOCARDIUM - ENDOCARDIUM

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10
Q

WHAT IE THE EPICARDIUM?

A

SEROUS MEMBRANCE WHICH COVERS HEART

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11
Q

WHAT IS THE MYOCARDIUM?

A

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

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12
Q

WHAT IS THE ENDOCARDIUM?

A

SMOOTH INNER LINING OF EPITHELIAL TISSUE

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13
Q

HOW MANY CHAMBERS DOES THE HEART HAVE?

A

4

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14
Q

WHAT ARE THE 4 HEART CHAMBERS?

A

R AND L ATRIUM - R AND L VENTRICLES

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15
Q

WHAT ARE THE R AND L ATRIUM?

A

SUPERIOR CHAMBERS OF THE HEART

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16
Q

WHAT DO THE THE R AND L ATRIUM DO?

A

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

17
Q

WHAR ARE THE R AND L VENTRICLES?

A

TWO INFERIOR LARGER CHAMBERS

18
Q

WHAT DO THE R AND L VENTRICLES DO?

A

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

19
Q

WHAT SEPPERATES THE TWO ATRIUM?

A

INTER ATRIAL SEPTUM

20
Q

WHAT ARE THE PECTINATE MUSCLES?

A

INTERNAL RODGES OF MYOCARDIUM IN RIGHT ATRIUM AND BOTH AURICLES

21
Q

WHAT SEPPERATES THE TWO VENTRICLES?

A

INTERVENTRICULAR SEPTUM

22
Q

WAHT IS THE TRABECULAE CARNEAE?

A

INTERNAL RIDGES IN BOTH VENTRICLES

23
Q

WHAT ARE THE VALVES OF THE HEART?

A

ATRIOVENTRICULAR VALVES (AV) - SEMILUNAR VALVES

24
Q

WHAT DO THE ATRIOVENTRICULAR VALVES DO?

A

PREVENTS BACKFLOW OF BLOOD INTO ATRIA

25
Q

WHAT TYPES OF ATRIOVENTRICULAR VALVES ARE THERE?

A

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

26
Q

WHAT DO THE SEMILUNAR VALVES DO?

A

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

27
Q

WHAT TYPES OF SEMILUNAR VALVES ARE THERE?

A

AORTIC VALVE AND PULMONARY VALVE

BMS165 (39 decks)

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