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Teas Test > Cardio > Flashcards

Cardio Flashcards

1
Q

sinoatrial node (SA)

A

known as pacemaker, in the upper wall right artrium, accepts pulse from conduction system of the cardiac system

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2
Q

atrioventricular node

A

in the wall of right atrium, accepts pulse from conduction system of the cardiac system

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3
Q

conduction system 1st phase

A

cardiac cycle, triggers impulse in sinoatrial node, spreads to right & left artria causing them to contract and filling ventricle with blood

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4
Q

conduction system 2nd phase

A

impulse reaches the atrioventricular node travels along the atrioventricular bundle down the right and left branches of the septum

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5
Q

conduction system 3rd phase

A

from within the septum the impulse travels down to the Purkinje fibers, causing the filled ventricles to contract

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6
Q

purkinje fibers

A

in the walls of the ventricles

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7
Q

systole

A

contraction of the heart. pushes blood against the walls of the arteries at a maximum pressure

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8
Q

diastole

A

follows the systole, is the rest phase where pressure is at a minimum where the ventricles relax and refills, recoils

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9
Q

external control of heart

A

cardiac center of the brain, modulated by epinephrine and norepinephrine

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10
Q

myocardium

A

heart

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11
Q

pericardium

A

sac around the heart, contains the four chambers

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12
Q

median septum

A

divides the four chambers

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13
Q

atria

A

2 superior, left/right are the receiving chambers

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14
Q

ventricle

A

2 inferior, left/right are the pumping chambers

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15
Q

right side of the heart

A

pumps deoxygenated blood from the heart to the lungs, known as the pulmonary

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16
Q

left side of the heart

A

receives oxygenated blood from the lungs and pumps out to the rest of the body, known as systemic

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17
Q

atrioventricular valve

A

separates the atria and ventricles

18
Q

arterioles

A

smaller arteries. Arterioles connect to capillary and capillary beds to distribute blood

19
Q

venules

A

smaller veins, thinner, they are farther away from the blood pressure. connect the veins to the capillaries

20
Q

lymph vessels

A

thin walled and have one way valves that carry lymph.. Afferent lymph vessels flow into lymph nodes, while efferent lymph vessels flow out of them.

21
Q

lymph fluid

A

it is blood plasma that gets cleaned through lymph nodes and returned to the cardiac system by veins

22
Q

inferior vena cava

A

The inferior vena cava is a vein. It carries deoxygenated blood from the lower half of the body to the right atrium of the heart.

23
Q

AV tricuspid

A

valve in the right atrium opening to the right ventricle

24
Q

pulmonary semilunar valve

A

valve in the right ventricle leading to the lungs

25
Q

pulmonary cycle

A

body>deoxygenated blood>superior/inferior vena cava>right atrium>AV tricuspid>right ventricle>pulmonary semilunar valve>pulmonary artery>lungs

26
Q

systemic cycle

A

oxygenated blood>pulmonary veins>left atrium>bicuspid mitral valve>left ventricle>aortic semilunar valve>aorta>body

27
Q

AV bicuspid mitral

A

valve in the left atrium opening to the left ventricle

28
Q

aorta semilunar valve

A

valve in the left ventricle leading to the body

29
Q

‘lub’

A

first sound of the AV valves closing

30
Q

‘dub’

A

second sound of the semilunar valves closing

31
Q

superior vena cava

A

carries deoxygenated blood from the upper half of the body to the right atrium of the heart.

32
Q

hemoglobin

A

carries oxygen from the lungs to the bodies tissues and returns carbon dioxide from the tissues back to the lungs

33
Q

capillaries

A

microscopic cells only one cell thick

34
Q

veins

A

carry blood from the body parts to the heart. Have one way valves

35
Q

lymph capillaries

A

intertwined with cardiovascular capillaries to absorb blood plasma that has leaked

36
Q

lymph nodes

A

contain lymphocytes which seek out pathogens in the fluid

37
Q

hypertension

A

can cause ruptures in the arterioles causing a stroke

38
Q

atherosclerosis

A

is a build up pf plaque in the walls which reduces the blood flow

39
Q

embolus

A

plaque traveling through the blood vessel

40
Q

stroke

A

occurs when blood flow to the brain is stopped causing death of brain tissue

41
Q

heart attack

A

myocardial infarction occurs when blood flow to the heart is stopped and cardiac tissue dies

Teas Test (10 decks)

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