Circulatory system Flashcards

1
Q

2 systems of the circulatory system

A

cardiovascular and lymphatic system

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2
Q

what kind of system is the circulatory system

A

closed system

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3
Q

lymphatic fluid vs interstitial fluid

A

lymphatic is contaminated and interstitial is clean

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4
Q

3 functions of the cardiovascular system

A
  • gas exchange of CO2
  • supplies nutrients absorbed from the digestive tract
  • defense against bacteria with WBC
  • removes waste like CO2
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5
Q

4 chambers of heart

A

right atrium, right ventricle
left atrium, left ventricle

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6
Q

2 types of circulation

A

pulmonary (right atrium to left atrium) and systemic (left atrium to right atrium)

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7
Q

valves of heart

A

tricuspid valve (right atria from right ventricle)
mitral valve (left atria from left ventricle)
pulmonary valve (right ventricle from pulmonary trunk)
aortic valve (left ventricle from aortic arch)

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8
Q

pulmonary circulation

A

where gas exchange takes place in the capillaries of the lungs, allowing for waste CO2 to be released into the lungs and breathed in O2

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9
Q

heart layers

A

pericardial sac
- visceral layer
- serous space w/ serous fluid
- parietal layer
- fibrous pericardium (outermost)
heart
- epicardium
- myocardium
- endocardium (lined with trabeculae)

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10
Q

what lines the atria

A

pectinate muscle

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11
Q

what attaches to cusps

A

chordae tendinae

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12
Q

what attaches to chordae tendinae

A

papillary muscles with attaches to trabeculae of endocardium

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13
Q

what covers both atria

A

oracles

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14
Q

major arteries of heart

A

right and left coronary and circumflex artery

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15
Q

what causes prolapsed mitral valve

A

a build-up in arteries or typically older patients with atherosclerosis

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16
Q

fetal circulation

A

placenta supplies oxygen, nutrients, etc. and goes to umbilical vein which goes past liver, and attached to inferior vena cava (ductus vinosus)

16
Q

fetal circulation

A

placenta supplies oxygen, nutrients, etc. and goes to umbilical vein which goes past liver, and attached to inferior vena cava aka (ductus venosus)

17
Q

blood enter fetus through…

A

inferior vena cava and right atrium

18
Q

foramen ovale

A

connects right atrium to left atrium allowing blood to bypass

19
Q

ductus arteriosus

A

connects pulmonary to aortic

20
Q

ductus arteriosum

A

connects pulmonary to aortic

21
Q

fossa ovalous

A

foramen ovale after childbirth

22
Q

ductus arteriosus becomes what after birth

A

ligamentum arteriosum

23
Q

ductus venosus

A

connects umbilical vein to inferior vena cave

24
Q

ventricular septal defect

A

a hole that connects both left and right ventricles allowing blood flow