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Health Science 2 > Cardovascular System > Flashcards

Cardovascular System Flashcards

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1
Q

What are the two blood vessels systems?

A

Arterial and Venous

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2
Q

What does the arterial system do?

A

Move blood away from the heart and actively pushed along to the force of the hearts co tract

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3
Q

What does the venous system do?

A

Moves blood towards the heart

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4
Q

What is the structural difference between an artery and a vein?

A

Artery’s are smaller, they have smaller lumen but have thicker walls relative to size. Veins are larger, they have larger lumen but have thinner wall relative to size.

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5
Q

What is the lumen?

A

The lumen is the central blood containing space, or vessel

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6
Q

The internal elastic membrane is apart of what vessel?

A

The artery

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7
Q

True or false, artery’s have a larger middle compared to the thickness to the wall

A

True

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8
Q

True or false, artery’s are only made of smooth muscle.

A

Trud

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9
Q

What tissues are veins made of?

A

Smooth muscle, collagen and elastin

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10
Q

True or false, artery’s hold there shape better and vein tend to collapse.

A

True

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11
Q

Pulmonary artery’s carry what type of blood?

A

Deoxygenated blood

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12
Q

Pulmonary veins carry what type of blood?

A

Oxygenated blood

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13
Q

What artery does blood pass through back to the heart

A

Vena cava

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14
Q

What veins does blood pass through back to the body from the heart

A

Aorta

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15
Q

The pumping chambers of the heart are the?

A

Ventricles

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16
Q

The volume of blood pumped out from a ventricle with each beat is the?

A

Stroke volume

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17
Q

Abnormal closure of the valves may result in a?

A

Heart murmur

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18
Q

The contraction phase of the heart is called

A

Systole

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19
Q

The brief resting period that follows the contraction period is

A

Diastole

20
Q

Blood is pumped to the lungs and body tissues through

A

Arteries

21
Q

Deoxygenated blood from the body tissue is carried through the

A

Veins

22
Q

The membrane which the heart valves are formed and which lines the interior of the heart is called

A

Endocardium

23
Q

By far the thickest layer of the heart wall is the

A

Myocardium

24
Q

A partition, the septum, separates te two sides of the heart. The thin walled upper septum is called the

A

Interatrial septum

25
Q

The larger partition between the two sides of the heart is called

A

Interventricular septum

26
Q

The left atrioventricular valve is thicker than the right, it is made of two flaps or cups and are called the

A

Mitral or bicuspid valve

27
Q

Situated between the right ventricle and the pulmonary artery is a valve that prevents blood on its way to the lungs from returning to the right ventricle is the

A

Pulmonary

28
Q

The outermost covering of the heart is called

A

Epicardium

29
Q

The coronary arteries supply blood to the

A

Myocardium

30
Q

Which conduct blood towards the heart?

A

Veins

31
Q

What vessel is responsible for the gas exchange

A

Capillaries

32
Q

What part of a blood vessel is most critical in regulating systemic blood pressure

A

Tunica media

33
Q

Does peripheral resistance increase or decrease when blood vessels diameter increases

A

Decrease

34
Q

The primary mechanism driving filtration in capillary beds is

A

Hydrostatic pressure within the capillaries

35
Q

Blood is returned to the heart via the

A

Coronary sinus, inferior and superior vena cava

36
Q

How many branches does the aorta have

A

Three

37
Q

What contains the majority of the blood volume

A

Systemic veins and venules

38
Q

What delivers deoxygenated blood to the lungs

A

Pulmonary trunk

39
Q

Compression of what vessel can cause unconsciousness

A

The common carotid artery

40
Q

The heart sounds are produced by

A

The closing of the atrioventricular valves and the semilunar valves

41
Q

Cardiac output is determined by

A

Cardiac reserve and heart rate

42
Q

The QRS complex of an ECG represents

A

Ventricular depolarisation

43
Q

True of false the chordate tendineae of the heart anchor the semilunar valves to the papillary muscles

A

False

44
Q

True or false the pulmonary circulation is a high pressure circulation

A

False

45
Q

True or false the hormone adrenaline released in times of acute stress causes bradycardia

A

False

46
Q

The major blood vessels in the neck are

A

Common carotid artery and jugular vein

Health Science 2 (1 decks)

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