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Anatomy & Physiology TEAS > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

1
Q

4 main components of the cardiovascular system

A

heart, blood vessels, blood, lymphatic system

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2
Q

What side of the heart is the pulmonary system?

A

Right - recieves oxygen-poor blood tissues

Pumps blood to lungs to get rid of CO2 and pick O2

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3
Q

What side of the the heart is the systemic system?

A

Left - receieves oxygenated blood FROM lungs

Pumps blood to the body tissues also known as systematic

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4
Q

What is blood composed of?

A

Plasma, erythrocytes, leukocytes, platelets

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5
Q

Plasma

A

Straw colored watery substance that other blood components float in

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6
Q

Erythrocytes

A

red blood cells

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7
Q

Leukocytes

A

White blood cells

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8
Q

Platelets

A

Cells that form blood clots

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9
Q

Hemoglobin

A

Protein of rbc that carries oxygen

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10
Q

What do lymphatic capillaries do?

A

Absorb excess tissue fluid and blood plasma

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11
Q

What does the lymph system do?

A

Collects and filters lymph fluid, making plasma and returning ti to the cardiovascular system.

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12
Q

What are lymphocytes?

A

Disease fighting wbc, killing pathogens in lymph fluid

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13
Q

Right atrium

A

Receives blood RETURNING FROM SYSTEMATIC CIRCUT

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14
Q

Left Atrium

A

Recieves blood from RETURNING FROM POLUMARY CIRCUT

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15
Q

Left Ventricle

A

Pumps blood THROUGH SYSTEMATIC

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15
Q

Right Ventricle

A

Pumps blood THROUGH Pulmonary Circut

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16
Q

Size of heart

A

Fist and weighs 1 pound

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17
Q

Location of Heart

A

Mediastinum between second rib and fifth intercostal space

Superor of diaphram

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18
Q

Pericardium

A

Doubled walled sac that surrounds the heart: made up of two layers

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19
Q

Deep Two Layered serous pericardium

A

Paretial Layers
Visceral Layer

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20
Q

Paretial Layer

A

lines internal surface of fibrous pericardium

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21
Q

Visceral Layer (epicardium)

A

external surface of heart

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22
Q

Epidcardium

A

Visceral layer of serious pericardium

23
Q

Myocardium

A

circular bundles of contractile cardiac muscle cells

24
Q

Cardiac skeleton

A

crisscrossing interlacing layers of connective tissues

25
Q

Endocardium

A

innermost layer and is continous with endothelial lining of blood

26
Q

Cardiac Skeleton

A

Anchors cardiac muscle
Supports great vessels and valves
Limits spread of action potentials to specific path

27
Q

Atria

A

the recieves chamber- small thin walled chamber

28
Q

Auricles

A

Appendages that incease atrial volume

29
Q

Ventricles

A

The discharging chamber

30
Q

Right Ventricle

A

most of the anterior surface

31
Q

Left Ventricle

A

posteriorinferior surface

32
Q

4 Chambers of the Heart

A

Right Atrium - receives blood from the vena cava
Left Atrium - receives blood from pulmonary veins
Right ventricle - Pump blood into pulmonary trunk
left ventricle - slide into the aorta

33
Q

Veins

A

Deoxygenated blood back to the heart

33
Q

Arteries

A

Oxygenated blood away from the heart

34
Q

Capilliaries

A

Connected to veins and arteries

35
Q

Two Cylces of contraction

A

Systole
Diastole

36
Q

Blood

A

Carry oxygenated and nutrients to cell and cardon dioxide and waste away from the cell

37
Q

Systole

A

Contraction of the heart. Blood is being pumped out of the heart into the arteries

38
Q

Doxygenated blood process

A

veins , right atrium, right ventricle, lungs

39
Q

Diastole

A

Relaxation of the heart. Blood is going into the heart to the chambers

40
Q

Oxygenated Blood process

A

Lungs, Left atrium, left ventricle, and aorta bod

41
Q

The heart

A

Composed of three layers, epicardium myocardium endocardium

42
Q

Fucntion of Cardiovascular System

A

Delivers oxygen and nutrients to the cell of the body and removes waste,

Maintains blood pressure

Regulate Temperature

Maintainig pH

Transporting hormones fighting infections, aiding in digestion, and assiting in repairing damaged tissues

43
Q

Cardium

A

Epicardium protects the heart and secrete lubricant serous fluid

Myocardium contracts to pump blood and middle layer of muscular

Endocardium line is the chambers and valves and is innermost layer

44
Q

Tricuspid

A

Right atrioventricular prevents backflow into the HM when the ventricles contract

45
Q

Endothelial cell

A

Thin inner lining a blood vessel
Lines the entire circulatory system, including the interior
Compose a single layer squamous endothelial cell

46
Q

What role does Endothelial in vasoconstruction?

A

Releasing peptides called endothelins the cause smooth muscles within walls to contract

47
Q

Systolic pressure

A

Refer to the first number or maximum pressure that is exerted through systolic
Vitals contract for some blood into aorta and pulmonary trunk

47
Q

Sensory neuron

A

Detect changes in temperature and send impulse to hypothalamus
signal To the effectors surrounding smooth muscles

48
Q

Circulatory system

A

Associated with transport, oxygen nutrients, hormones, ions influence throughout the body as well as removal of metabolic waste

49
Q

Role thermoregulation

A

Temperature average 98.6
Heat exchange occurs surface of skin where blood constricts response to signaling from the brain

50
Q

Diastolic pressure

A

As blood enters artery elastic wall, stretch, increase volume and return to normal diameter

Vitals are relax and pressure is at a lowest point

51
Q

What is the normal blood pressure for an adult?

A

120/80 mm Hg
High blood pressure can damage walls above vessels and increase heart disease, heart failure, and stroke

52
Q

Systemic circuit

A

Carries blood from muscular left ventricle to the aorta which gives rise to the arteries and branch into arterials

Anatomy & Physiology TEAS (11 decks)

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