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A compilation of questions and answers related to the cci rvs (registered vascular specialist) exam, which is a professional certification exam for vascular technologists. The questions cover a wide range of topics in vascular anatomy, physiology, and pathology, including respiration variations in lower extremity venous waveforms, causes of subclavian artery aneurysms, venous competence, thrombotic treatment, risk factors for deep vein thrombosis (dvt), doppler signal characteristics, peripheral resistance, and more. The answers provided seem to be comprehensive and accurate, making this document potentially useful as a study guide or reference material for individuals preparing for the cci rvs exam. The level of detail and technical knowledge required suggests that this document would be most relevant for university-level students or professionals in the field of vascular technology or related healthcare disciplines.
Typology: Exams
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Respiration variations exhibited in lower extremity venous waveforms can be characterized as Answer: Physic
Aneurysms of subclavian arteries are most often caused by Answer: Thoracic outlet syndrome
In normal venous anatomy, the number of valves tends to be greater in the ____ Answer: Calf. Because it's more distal. The further the veins, the more perforators
Some causes of aneurysms in the subclavian arteries are Answer:
Marfan syndrome Answer: Genetic order of connective tissue
Marfan syndrome contains features such as Answer: Long arms, legs, fingers and toes
The first branch of the ICA is Answer: Opthalmic
The deep palmar arch arises from what artery? Answer: Radial artery (us dr)
The velocity of reflected Doppler signal from blood flow is determined by Answer: The blood cell velocity
Venous competence refers to the Answer: Ability of the normal venous calves to prevent retrograde flow
Thrombotic treatment with PA may be used in select cases including Answer: Fresh thrombi, less than 72 hours old
What can be a possible risk factor associated with DVT Answer: Stasis
Pulsatile lower extremity venous Doppler signals could indicate Answer: Right sided heart failure and/ or tricuspid insufficiency (because of its backing up)
What will decrease Doppler signal while evaluating the femoral vein? Answer: Inspiration
Venous Doppler flow signals in the tibial veins are normally Answer: Augmented with distal compression
In a normal venous study, what vein is often difficult to compress? Answer: Subclavian because it is posterior to the collar bone
Photo-plethysmograph record changes in Answer: Flow characteristics
An ankle blood pressure drop of 30% of baseline or more immediately post stress testing indicates Answer: Evidence of atherosclerosis
Increased arterial flow to an extremity during exercise results from Answer: A decrease in peripheral resistance produced by local acidosis and increased oxygen demands
Brachiocephalic aka Innominate artery (ps only one brachiocephalic artery and it's on the right side)
Post-thrombotic disease manifested by stasis dermititis, ulceration, secondary varicose veins and varying degrees of lower extremity edema are usually due to Answer: Valvular insufficiency
Optimal patient positioning for evaluation of DVT in the lower extremities Is Answer: Reverse trendelenburgh (heart above legs)
When using PPG to examine for GSV incompetence, the pt should be Answer: Sitting upright with a tourniquet applied just below the knee
A leg ulcer has an irregular edge, pink-red base, surrounding pigmentation and associated mild pain is most likely due to Answer: Venous stasis
What are the results of the valsalva maneuver
Answer: Decreased venous return to the heart
Patients who present with rest pain sometimes complain of increased pain while sleeping. This is a result of Answer: Lower cardiac output
Why are arterioles the primary site for determining peripheral resistance? Answer: Because of their crosse sectional area
The area of the body known as the "peripheral heart" is the Answer: Calf muscles (soleol / skeletal muscle pump)
What mechanism is primarily responsible for returning blood to the heart while walking? Answer: Skeletal muscle
The higher the frequency the _____ the absorption Answer: Higher (and vice Versa)
The lower the frequency, the _____ the penetration Answer: Deeper (and vice Versa)
Portal hypertension brings blood back to what two veins? Answer: Superior mesenteric and splenic
Secondary veins indicate there are both Answer: Superficial AND deep
Post thrombotic indicates Answer: Blood clot
What does rest pain in the legs indicate about blood flow? Answer: Not enough blood flow in the legs
Rest pain while sleeping indicates what about venous return? Answer: Decreased venous return
When performing a carotid duplex on a patient with a known high cardiac output, what other information may be helpful to determine the category of disease? Answer: ICA/CCA ratio
Carotid and some of thickening can you be an indication of coronary artery disease when the intima reaches a minimal measurement of Answer: Anything <.
The popliteal artery bifurcates into what two arteries Answer: Tibial Peroneal trunk and anterior tibial artery
What symptoms suggest compromised circulation in the vertebrobasilar system? (3) Answer:
Atherosclerosis and embolus are common causes of Answer: Ischemic stroke