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BIO5203 > Cardiovascular - Blood Distribution > Flashcards

Cardiovascular - Blood Distribution Flashcards

1
Q

Aorta arch divides into what three divisions?

A
  1. Branchiocephalic trunk
  2. Left common carotid artery
  3. Left subclavian artery
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2
Q

What does the brachiocephalic trunk divide into?

A
  1. Right subclavian artery
  2. Right common carotid artery
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3
Q

Where do the common carotid arteries supply blood?

A

Supply blood to face, beck, and brain

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4
Q

Where is the vertebral artery? Where does it supply blood?

A

At the back of neck

Supplies brain through medulla oblongata

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5
Q

What is the carotid sinus?

A

Has baroreceptors that detect bp (where we check someone pulse on their neck)

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6
Q

Right subclavian artery contains what 4 arteries?

A
  • Axillary artery
  • brachial artery
  • radial artery
  • ulnar artery
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7
Q

Does the ulnar and radial arteries fuse?

A

Yes, they fuse in the hand

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8
Q

What does the thoracic aorta branch into?

A

Phrenic artery (diaphragm)

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9
Q

What are the branches for the abdominal aorta?

A
  • Adrenal arteries = adrenals
  • renal arteries = kidneys
  • gonadal arteries = gonads
  • lumbar arteries = vertebrae, spinal cord, and abdominal wall
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10
Q

What does the celiac trunk supply?

A

Liver, stomach, gallbladder, spleen, pancreas

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11
Q

What does the superior mesenteric artery supply?

A

Pancreas, duodenum, small and large intestines

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12
Q

What does the inferior mesenteric artery supply?

A

Terminal portions of colon and rectum

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13
Q

What does the aorta divide into to supply legs with blood? What do they supply

A

Right and left common iliac arteries

Supply pelvic organs and medial thigh

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14
Q

What does the iliac artery become as it descends the leg?

A

Femoral artery and then popliteal artery and tibial arteries

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15
Q

How many sets of peripheral veins?

A

One deep and one superficial (both for body temp)

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16
Q

How do superficial and deep veins play a role in body temp?

A

Hot weather = blood in superficial veins dilate to allow heat loss

Cold weather = blood in deep veins constrict to minimize heat loss

17
Q

How does deoxygenated drain back into the heart? (SVC & IVC)

A

IVC = areas inferior to diaphragm
SVC = areas diaphragm and above

18
Q

Which veins drain into superior vena cava?

A
  • Jugular vein (head and neck)
  • vertebral vein (cervical spinal cord, posterior surface of skull)
  • ulnar & radial vein
  • brachial & axillary vein
  • subclavian vein
19
Q

Veins from hand to superior vena cava in order?

A

Ulnar and radial vein -> brachial vein -> axillary vein and cephalic merge -> subclavian vein and jugular vein merge -> brachiocephalic vein -> right and left brachiocephalic vein merge to form superior vena cava

20
Q

What is the hepatic portal circulation?

A

Carries blood from digestive organs to liver for processing before returning to systematic circulation via inferior vena cava

21
Q

What three veins makes up hepatic portal vein?

A
  1. Splenic and gastric vein
  2. Superior mesenteric vein
  3. Inferior mesenteric vein
22
Q

What does the splenic and gastric vein drain?

A

Collects blood from stomach, spleen and pancreas

23
Q

What does the superior mesenteric vein drain?

A

Collects blood from stomach, small intestine, and 2/3 of large intestine

24
Q

What does the inferior mesenteric vein drain?

A

Collects blood from 1/3 of large intestine and rectum

25
Q

How does the lower limbs drain blood? In what order?

A

Tibial, fibular, popliteal and small saphenous veins -> femoral vein + great saphenous vein join -> iliac vein

26
Q

What do lumbar veins drain?

A

Spinal cord and muscles of body wall

27
Q

What do hepatic veins drain?

A

Sinusoids of liver

28
Q

What do adrenal veins drain?

A

Adrenal glands

29
Q

What do renal veins drain?

A

Kidney

30
Q

What do gonadal veins drain?

A

Ovarian and testicular veins

31
Q

How is the brain supplied blood?

A

Circile of willis and arterial supply

32
Q

What are the three types of arteries you can find in the brain?

A
  1. Internal carotid arteries
  2. posterior cerebral arteries
  3. Vertebral arteries
33
Q

What does the internal carotid artery divide into? What do they supply?

A

Anterior and middle cerebral arteries

Supply most of the cerebrum

34
Q

The vertebral arteries join to form what? What does it supply

A

Basilar artery

Brain stem & cerebellum

35
Q

The basilar arteries divide into what? What do they supply

A

Posterior cerebral arteries

Supply posterior cerebrum

36
Q

What are anterior and posterior blood supplied unit by to communicate?

A

Small arterial branches

BIO5203 (41 decks)

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