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ANHP 205 > Great Vessels Aorta > Flashcards

Great Vessels Aorta Flashcards

1
Q

What do Arterie’s do?

A

Move blood away from the heart, typically transports oxygenated blood. Pulmonary Arteries are the exception.

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2
Q

Arteries are designed to do what?

A

Maintain blood flow and blood pressure

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3
Q

How many layers is the arteries composed of?

A

Three With the lumen in the middle
1. Tunica Intima (the innermost layer)
2. Tunica Media (the thick middle layer)
3. Tunica Adventitia (the outside layer)

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4
Q

What is the largest artery in the body?

A

The Aorta

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5
Q

Where does the abdominal Aorta start?

A

The aortic hiatus of diaphragm (T12)

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6
Q

Where does the abdominal aorta bifurcates?

A

The L4

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7
Q

The major branches of the abdominal aorta are what? (From distal to proximal)

A
  1. Celiac axis/trunk
  2. Adrenal/ suprarenal
  3. Superior mesenteric artery
  4. Renal
  5. Gonadal
  6. Inferior mesenteric artery
  7. Median sacral
  8. Common iliac
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8
Q

What is the celiac trunk or axis?

A

The 1st major branch of the aorta and is around 1cm long

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9
Q

The celiac axis is composed of what three branches?

A
  1. Common Hepatic artery
  2. Splenic Artery
  3. Left gastric artery
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10
Q

Where is the common hepatic artery?

A

Travels towards the liver and splits into hepatic artery proper and gastroduodenal artery

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11
Q

Where is the splenic artery? And what does it do?

A

Travels left along superior aspect of pancreas and it supplies the spleen, tail of pancreas

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12
Q

Where is the Left gastric artery and what does it supply?

A

Travels left along the lesser curvature to stomach and supplies the stomach with blood

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13
Q

What are the adrenal Arteries?

A

Paired Arteries that is also called suprarenal arteries

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14
Q

Where does the Adrenal Arteries originate?

A

Between the levels of Celiac axis and SMA. And not identified with Ultrasound.

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15
Q

What is the SMA stand for?

A

Superior mesenteric Artery

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16
Q

When looking at a ultrasound how do we identify the Celiac axis typically?

A

Look for the seagull

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17
Q

What is the SMA?

A

The 2nd anterior branch of the abdominal aorta

18
Q

What does the SMA supply blood to?

A

Small intestine, ascending colon and right and mid transverse colon

19
Q

How is the SMA structured in the body?

A

It starts off anterior and then hooks inferior on the lumbar

20
Q

What does the Renal Arteries supply blood to?

A

Kidneys

21
Q

If the renal arteries are paired what does it mean?

A

It is a structure that supplies blood to two sides. One to each kidney.

22
Q

Where is the renal arteries located?

A

Inferior to the SMA

23
Q

The right renal artery sits ______ to the IVC

A

Posterior to the IVC. This is due to the position of the artery located on the body.

24
Q

The right renal artery is ________ then the Left renal artery

A

Longer, the arteries are located on the left side of the body therefore it needs to travel farther to get to the other side

25
Q

The renal arteries run _________ to the veins

A

Posterior

26
Q

The right renal artery sits slightly ________ to the LRA. Why?

A

Inferior, because of the position of the liver.

27
Q

The gonadal arteries originate from where?

A

Anterior aorta, Inferior to the renal arteries

28
Q

What kind of path does the gonadal arteries take?

A

Inferior oblique path

29
Q

What does the Gonadal arteries supply blood to?

A

Gonads

30
Q

What is the IMA?

A

Inferior mesenteric artery

31
Q

Where is the IMA located?

A

Anterior branch at the L3

32
Q

What does the IMA supply blood to?

A

Left transverse colon, descending and sigmoid colon and rectum

33
Q

Is the IMA typically seen on ultrasounds?

A

No

34
Q

What are the Lumbar arteries

A

Paired arteries of 4-5 sets, arise lateral and posterior

35
Q

What does the lumbar arteries supply blood to?

A

The lumbar

36
Q

Are the lumbar arteries seen on a ultrasound?

A

No

37
Q

What is the median sacral artery?

A

The most inferior branch of the aorta and supplies blood to the sacrum.

38
Q

Is the median sacral artery seen on ultrasound?

A

Not typically

39
Q

What are the common iliac arteries (CIA)

A

Aorta bifurcates @ L4 to form right and left CIAs

40
Q

What cavity is the aorta located?

A

(retroperitoneal)

ANHP 205 (20 decks)

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