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FunMed Anatomy > Circulatory circuits and great vessels > Flashcards

Circulatory circuits and great vessels Flashcards

1
Q

what type of circulation system does the heart have

A
  • it has a double circulatory system

- there is systemic and pulmonary circuit

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2
Q

what is the cardiac output of the left and right ventricles in terms of volume

A
  • the cardiac output of the left and right ventricles is the sam e
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3
Q

do the different ventricles have different workloads

A

true

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4
Q

what is the pulmonary circuit served by

A

the right ventricle

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5
Q

what does the pulmonary trunk give rise to

A

the two main pulmonary arterys

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6
Q

How many pulmonary veins return oxygenated blood back to the left atrium of the heart

A

4 pulmonary veins bring oxygenated blood back to the left atrium

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7
Q

what is the systemic circulation served by

A

left side of the heart

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8
Q

what are most of the branches of the descending aorta like

A
  • they are bilaterally symmetrical, excluding the 3 unpaired arteries that supply the gut
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9
Q

blood travels from the gut to the liver from ..

A

the hepatic portal vein

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10
Q

what blood vessel drains from the liver and into what blood vessel does it drain

A
  • hepatic vein drains from the liver to the inferior vena cava in the posterosuperior part of the abdomen
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11
Q

where is the heart

A

it is in the pericardial cavity within the mediastinum

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12
Q

where does the heart extend

A
  • it extends obliquely for 12-14cm towards the left from the 2nd rib to the 5th intercostal space
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13
Q

what is the anterior surface of the heart composed of

A

2 ventricles

- also a portion of right atrium

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14
Q

what forms the right border of the heart

A

right atrium

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15
Q

what forms the apex of the heart

A

left ventricle

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16
Q

where is the left atrium

A

it is positioned on the posterior surface of the heart

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17
Q

what does the left atrium receive

A

it receives oxygenated blood via the pulmonary veins

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18
Q

what has a thinner wall the pulmonary trunk or superior vena cava

A

superior vena cava

19
Q

what is the same size as the aorta

A

the pulmonary trunk but the aorta has a thicker wall

20
Q

describe the pathway of the blood through the heart

A
  • superior and inferior
  • right atrium
  • tricuspid valve
  • right ventricle
  • pulmonary valve
  • pulmonary trunk
  • pulmonary arteries
  • lungs
  • pulmonary veins
  • left atrium
  • mitral/bicuspid valve
  • left ventricle
  • arotic valve
  • ascending aorta
21
Q

what arteries supply the head

A

the carotid arteries supply the head

  • external carotid branches over the face
  • internal carotid enters the cranium to supply the brain
22
Q

what arteries supply the brain

A

carotid artery

vertebral rates

23
Q

the internal carotid has no branches in the neck

A

true

24
Q

are the carotid arteries medial or lateral to the internal jugular vein

A

the carotid rates are medial to the internal jugular vein

25
Q

how do the vertebral arteries go into the brain

A

the vertebral arteries are branches of the subclavian arteries and they ascend through the transverse foramen of the cervical vertebrae

26
Q

what do the internal carotid arteries supply

A

they primarily supply the cerebral hemispheres

27
Q

what do the vertebral arteries supply

A
  • the brain stem

- the cerebellum

28
Q

what anastomose at the circle of willis

A

the vessels from the internal carotid artery and the vertebral artery

29
Q

what is the first branch of the aorta

A

it is the coronary arteries

30
Q

what does the brachiocephalic trunk go into

A

it passes under the right clavicle and branches into the right common carotid artery and right subclavian artery

31
Q

what are the upper limbs supplied by

A

subclavian arteries

32
Q

where does the descending aorta run next to the spine

A
  • it runs anterior to the spine from T4 to T12 on the left

- AORTA IS ALWAYS ON THE LEFT AND THE INFERIOR VENA CAVA IS ON THE RIGHT

33
Q

does the descending thoracic aorta have branches

A
  • segmental arteries - intercostal
34
Q

where does the crura of the diaphragm attach to

A

attaches to lumbar vertebrae 1-3

35
Q

where does the abdominal aorta split into the right and left common iliac arteries

A

L4

36
Q

what spinal level is the coeliac trunk

A

T12

37
Q

what spinal levels is the superior mesenteric artery

A

L1

38
Q

what spinal level is the inferior mesenteric artery

A

L3

39
Q

What organs does the coeliac supply

A 
stomach 
liver 
spleen 
pancreas 
duodenum
40
Q

what organs does the superior mesenteric artery supply

A

small intestine

ascending and transverse colon

41
Q

what organs does the inferior mesenteric artery supply

A
  • descending colon
42
Q

which vein does the blood drain into from the abdomen region

A

hepatic portal vein

43
Q

dose the venous drainage of the left kidney pass anterior or posterior to the abdominal aorta

A

anterior

FunMed Anatomy (22 decks)

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