Ch. 6,7,8 Flashcards
A venous Doppler exam of the popliteal vein reveals a sustained flow signal upon release of distal compression. This would indicate which of the following?
A. Proximal Obstruction
B. Venous Reflux
C. Normal venous flow
D. Distal obstruction
B. Venous Reflux
Virchow’s triad is best described as the following?
A. Circulatory stasis and hypocoagulability with intimal injury
B. Circulatory stasis, hypercoagulability and intimal injury
C. High cardiac output and intimal injury
D. Intimal injury, hypercoagulability and poor stroke volume
B. Circulatory stasis, hypercoagulability and initial injury
Continuous, non-phasic venous flow unilaterally in a common femoral vein suggests which of the following conditions?
A. Normal flow
B. Femoral vein thrombosis
C. IVC obstruction
D. Iliac Vein obstruction
D. Iliac Vein obstruction
What is another name for an abnormal popliteal structure containing synovial fluid?
A. Hematoma
B. Ganglion Cyst
C. Baker’s Cyst
D. Lymph node
C. Baker’s Cyst
The presence of respiratory variation in the femoral vein rules out DVT in the ipsilateral popliteal vein. True or False?
A. True
B. False
B. False
A condition resulting in a grossly swollen and cyanotic leg that is caused by iliofemoral venous thrombosis is known as:
A. Stasis dermatitis
B. Lymph edema
C. Homan’s sign
D. Phlegmasia Cerulea dolens
D. Phlegmasia cerulea dolens
What is the name of the perforating veins located in the upper thigh?
A. Cockett’s
B. Boyd’s
C. Hunterian
D. Dodd’s
C. Hunterian
Incompetence in this valve often leads to the entire GSV being incompetent. Name this valve?
A. External Iliac valve
B. Terminal Valve
C. Mitral Valve
D. Saphenous-popliteal valve
B. Terminal Valve
In addition to incompetent valves, which of the following is a cause of venous insufficiency?
A. Arterial occlusive disease
B. IVC filter
C. Chronic venous outflow obstruction
D. Atresic great saphenous vein
C. Chronic venous outflow obstruction
With the patient standing, what time value is the threshold between normal and abnormal reflux in the deep veins?
A. 0.35 second
B. 0.5 second
C. 1 second
D. 2 seconds
C. 1 second
Perforating veins exceeded this diameter have a high predictive value for being incompetent.
A. >1.5 mm
B. >2 mm
C. >2.5 mm
D. >3.5 mm
D. >3.5 mm
Which of the following describes the anatomical position of the popliteal vein compared to the popliteal artery?
A. It lies posterior to the artery
B. It’s lateral to the artery
C. It’s medial to the artery
D. It lies anterior to the artery
A. It lies posterior to the artery
Thrombosis of the left common iliac vein by extrinsic compression of the right iliac artery is known as:
A. Marfan’s syndrome
B. Nutcracker syndrome
C. Arcuate ligament syndrome
D. May-Thurner syndrome
D. May-Thurner syndrome
Which of the following best describes primary venous insufficiency?
A. Insufficiency caused by chronic outflow obstruction
B. Insufficiency caused by congenital absence of valves
C. Insufficiency resulting from previous deep vein thrombosis
D. Insufficiency resulting from poor arterial inflow
B. Insufficiency caused by congenital absence of valves
Which of the following veins should not be evaluated with the valsalva maneuver for reflux?
A. Popliteal
B. Great saphenous
C. Common femoral
D. Proximal femoral
A. Popliteal
Perforating veins should be evaluated with the patient in which of the following positions?
A. Supine
B. Sitting, leg dependent
C. Trendelenburg
D. Semi-Fowler’s
B. Sitting, leg dependent
Why is Doppler angle correction not necessary in venous imaging?
A. Velocity is already known
B. Velocity calculation is not necessary
C. Doppler angle can be at 90 degrees
D. Flow direction is not important
B. Velocity calculation is not necessary
During inspiration, what condition listed below occurs in the upper extremity veins?
A. Intra-thoracic pressure is decreased causing an increase in flow.
B. Intra-thoracic pressure is increased causing an increase in flow.
C. Intra-thoracic pressure is increased causing a decrease in flow.
D. Inspiration only affects flow in the leg veins
Intra-thoracic pressure is decreased causing an increase in flow.
The cephalic and the basilic veins are connected distally by which of the following vein?
A. Median cubital.
B. Brachial.
C. Subclavian.
D. Radial.
Median cubital
The innominate vein is formed by the confluence of what two veins?
A. Axillary, subclavian.
B. Internal jugular, subclavian.
C. External jugular, internal jugular.
D. Brachiocephalic, subclavian.
Internal Jugular, Subclavian
Which of the following is a sign of normalcy in a subclavian vein that is usually not present in the lower extremity veins?
A. Respiratory variation.
B. Augmentation.
C. Prominent cardiac pulsatility.
D. Steady, continuous, non-phasic flow.
Prominent cardiac pulsatility
What is the best ultrasound method for assessing the central veins?
A. Compressibility-coaptation.
B. Spectral Doppler flow pattern assessment.
C. Color Doppler.
D. Augmentation from the arm.
Spectral doppler flow pattern assessment
The majority of lower extremity blood volume is carried by the:
a. Perforator system
b. Superficial system
c. Deep venous system
d. Other
Deep venous system
The longest vein in the lower extremities is:
a. Greater saphenous vein
b. Popliteal vein
c. Femoral vein
d. Gastrocnemius vein
Greater saphenous vein
The venous flow direction in the lower extremities is:
a. Superficial to deep
b. Deep to superficial
c. Alternates depending on physiological reasons
Superficial to Deep
The calf Veno-Motor Pump performs the following functions, EXCEPT:
a. Facilitates venous return to heart
b. Reduces the effect of hydrostatic pressure
c. Improves capillary fragility
d. Reduces venous pooling
Improves capillary fragility
Which one of the following is NOT one of the three factors of the Virchow triad?
A. Hypercoagulability
B. Stasis
C. Lysis
D. Vein injury
Lysis
. Perforating veins connect the superficial and deep venous systems. Blood flow in the perforating veins is normally from the ___________________ to the _______________.
a. superficial system; deep system b. deep system; superficial system
c. distal veins; central veins
d. central veins; distal veins
Superficial System, Deep System
The characteristics of a normal venous Doppler signal from the lower extremity include all of the following except:
a. phasicity.
b. spontaneity.
c. pulsatility.
d. augmentation with distal limb compression.
Pulsatility
The presence of an incompetent venous segment is determined by which one of the following?
a. Venous reflux less than 1 second
b. Venous reflux on augmentation c. Color Doppler filling of the lumen
d. Gray-scale image of valve motion
Venous reflux on augmentation
The superficial femoral vein is a ______________ vein.
a. perforating
b. superficial
c. deep
d. complex
Deep
Risk factors for deep-vein thrombosis (DVT) include all of the following except:
a. pregnancy.
b. orthopedic surgery.
c. Baker cyst.
d. oral contraceptive use.
Baker’s Cyst
Which of the following characterizes blood flow to a low-resistance vascular bed?
a) minimal spectral broadening
b) reversed diastolic flow
c) forward diastolic flow
d) high amplitude
forward diastolic flow