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Anatomy > Topic 12 - Circulatory Route > Flashcards

Topic 12 - Circulatory Route Flashcards

1
Q

circulatory routes

closed, double circulation

closed = ?

A

blood confined to heart and blood vessels

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2
Q

circulatory routes

closed, double circulation

double = ?

A

2 routes (pulmonary + systemic)

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3
Q

Name the 3 types of circulations in the adult circulation

A
  1. pulmonary circulation
  2. systemic circulation
  3. coronary circulation (visible externally)
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4
Q

pulmonary circulation

step 1:

A

right ventricle to lungs via pulmonary arteries (deoxy blood)

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5
Q

pulmonary circulation

step 1: right ventricle to lungs via pulmonary arteries (deoxy blood)

step 2:

A

pick up oxygen in lungs via capillaries

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6
Q

pulmonary circulation

step 1: right ventricle to lungs via pulmonary arteries (deoxy blood)

step 2: pick up oxygen in lungs via capillaries

step 3:

A

lungs to left atria via pulmonary veins (oxygenated blood)

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7
Q

pulmonary circulation

starts at the:

A

right ventricle (deoxy blood)

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8
Q

pulmonary circulation:

from the right ventricle to

A

pulmonary arteries (deoxy blood)

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9
Q

pulmonary circulation:

from pulmonary arteries to

A

capillaries in respiratory portion of lungs (oxy blood)

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10
Q

pulmonary circulation:

from capillaries in respiratory portion of lungs to

A

pulmonary veins (oxy blood)

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11
Q

pulmonary circulation:

from pulmonary veins to

A

left atrium

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12
Q

Systemic circulation

step 1:

A

left ventricle to organs via aorta (oxygenated)

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13
Q

systemic circulation

step 1: left ventricle to organs via aorta (oxygenated)

step 2:

A

organs remove oxygen via capillaries

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14
Q

systemic circulation

step 1: left ventricle to organs via aorta (oxygenated)

step 2: organs remove oxygen via capillaries

step 3:

A

organs to right atrium via superior + inferior vena cava (deoxygenated)

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15
Q

overall route of systemic circulation

and name the subdivisions

cerebral =

heptatic =

coronary =

A

left ventricle to right atrium = systemic circulation

subdivisions

cerebral = brain

heptatic = liver

coronary = heart

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16
Q

draw the coronary circulation

A
17
Q

fetal circulation

step 1:

A

fetus gets O2, nutrients from + expels wastes to mothers blood

18
Q

fetal circulation

step 1: fetus gets O2, from nutrients from + expels wastes to mother’s blood

step 2:

A
  • exchange site in the placenta
    • blood supplies in close together, but do not mix
19
Q

fetal circulation

differences from adult circulation

  1. umbilicle vein…
  2. lungs + liver…
  3. umbilicle arteries…

​

A
  1. umbilicle vein (towards fetal heart)
  2. lungs + liver basically non-functional
  3. umbilicle arteries (away from fetal heart)
20
Q

name the 3 main parts of the body that is different between the adult circulation and the fetal circulation

A
  1. umbilicle vein (towards the fetal heart)
  2. lungs + liver basically non functional
  3. umbilicle arteries (away from fetal heart)
21
Q

fetal circulation: differences from adult circulation

umbilical vein (towards the fetal heart)

A
  • carries oxygenated blood from placenta to vena cava
22
Q

fetal circulation: differences from adult circulation

lungs + liver basically non functional

A
  • 3 shunts to bypass (although some blood flow to these organs for nourishment/growth
23
Q

fetal circulation: differences from adult circulation

lungs + liver basically non functional

i.

ii.

iii.

A

i. ductus venosus
ii. foramen ovale
iii. ductus arteriosus

24
Q

fetal circulation: differences from adult circulation

lungs + liver basically non functional

ductus venosus

  • connects _________ (oxy or deoxy?) to __________ (oxy or deoxy?) to _______ liver
A
  • connects umbilical vein (oxy blood) to inferior vena cava (deoxy blood) to bypass iver
    • permits most of the oxygenated blood coming from the placenta to bypass the liver
  • oxy and deoxy blood mixes
  • mixed blood enters fetal heart via inferior vena cava
25
Q

in the fetal circulation

mixed blood enters fetal heart via

A

inferior vena cava

26
Q

Fetal circulation: Differences from adult circulation:

foramen ovale

  • hole in where?
  • allows what?
A
  • hole in interatrial septum
  • allows blood to move from the right to left atrium (bypass lungs)
27
Q

what allows blood to move from the right to the left?

a) ductus venosus
b) foramen ovale
c) ductus arteriosus

A

foramen ovale

28
Q

Fetal circulation: Differences from adult circulation:

ductus arteriosus

  • connects what?
A

connects pulmonary trunk + aorta (bypass lungs)

29
Q

Fetal circulation: Differences from adult circulation:

umbilical arteries (away from fetal heart)

  • returns what
A

returns mixed blood to placenta

30
Q

what returns mixed blood to placenta?

a) umbilical veins
b) lungs and liver
c) umbilical arteries
d) ductus arteriosus

A

umbilical arteries

Anatomy (27 decks)

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