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RVT (URR) QUESTIONS WITH PASSED ANSWERS!!
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Aortic Ectasia - ️️lack of tapering of the aorta as it travels distally, size remains constant from proximal to distal portions 3 layers of an artery - ️️1. tunica intima 2. tunica media 3. tunic adventitia/externa Waveforms associated with coarctation of the aorta? (Distally and in ab...

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  • September 16, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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RVT (URR)
Aortic Ectasia - ✔️✔️lack of tapering of the aorta as it travels distally, size remains
constant from proximal to distal portions

3 layers of an artery - ✔️✔️1. tunica intima
2. tunica media
3. tunic adventitia/externa


Waveforms associated with coarctation of the aorta? (Distally and in abdominal aorta) -
✔️✔️Decreased flow distal to the obstruction, monophasic flow with continuous flow in
diastole in the abdominal aorta


Bovine Arch - ✔️✔️2 branch arch formation: the innominate and left CCA ae combined
and the left subclavian is the second branch of the arch


coarctation of the aorta - ✔️✔️congenital narrowing of the aorta

Where does coarctation of the aorta normally occur? - ✔️✔️distal to the origin of the
left subclavian


Takayasu arteritis - ✔️✔️presents as hypertrophic area(s) of inflamed of tissue usually
found in the aorta and its branches


Tunica intima - ✔️✔️inner layer endothelial cells

Tunica media - ✔️✔️middle layer, muscle layer, thicker and more organized layer in
arteries

tunica adventitia (externa) - ✔️✔️outer layer, epithelial cells, connective tissue

Where does the ascending aorta arise? - ✔️✔️Left ventricle

What is the first branch of the ascending aorta? - ✔️✔️coronary arteries

At what level does the aortic arch start and end? - ✔️✔️level of the innominate artery
and extends distal to the left subclavian

, What are the branches of the aortic arch? - ✔️✔️1. innominate artery
2. left common carotid
3. left subclavian

What is the most common anatomic variation of the aortic arch? - ✔️✔️Bovine arch


Descending abdominal aorta is found - ✔️✔️below the diaphragm

Descending thoracic aorta is found - ✔️✔️above the diaphragm

Common iliac artery originates - ✔️✔️aortic bifurcation at L3 or L4, umbilicus level

What does the CIA bifurcate into - ✔️✔️external and internal Iliac arteries (EIA)

What type of flow is found in the CIA? - ✔️✔️high resistance


IIA AKA - ✔️✔️internal iliac artery, hypogastric artery

How does the IIA travel - ✔️✔️Medially

What does the IIA supply - ✔️✔️pelvic organs

How does the EIA travel - ✔️✔️travels laterally to pass through the inguinal ligament to
become the common femoral artery

Normal measurements for PROX, MID and DIST aorta - ✔️✔️prox 2.0-2.6cm
mid 1.6-2.4cm
dist 1.1-2.0cm

what is normal measurement of the iliacs - ✔️✔️.6-1.4 cm

Average velocity of the aorta - ✔️✔️70-100 cm/s

Aorta waveform characteristics - ✔️✔️-high resistance
-biphasic above the renal arteries due to numerous low resistance branches
-resistance in the aorta increases as flow moves distally
-triphasic below renal arteries

What most commonly causes a AAA - ✔️✔️degenerative disease, caused by
breakdown of the media and adventitia layer of the wall

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