Exam 3 - Lower & Upper Extremity Venous - 1

25 Questions | By Kfdm26 | Updated: Mar 21, 2022 | Attempts: 445

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1.

In the evaluation of the axillary vein or subclavian vein, normal Doppler findings should demonstrate
- A.
  
  Phasicity but not pulsatility
- B.
  
  Continuous flow
- C.
  
  Pulsatility but not phasicity
- D.
  
  Pulsatility and phasicity
2.

In the thigh, the superficial femoral vein becomes more difficult to follow and compress distally. What technique is most effective in this case?
- A.
  
  Skip that segment of the vein, it's not important
- B.
  
  Exert greater pressure with the transducer
- C.
  
  Turn up the overal 2D gain
- D.
  
  Move to a more anterior position and compress from behind
3.

All of the following are considered to be normal findings in a duplex study of the lower extremity veins, EXCEPT
- A.
  
  Pulsatility with the cardiac cycle
- B.
  
  Augmentation with distal compression
- C.
  
  Spontaneity
- D.
  
  Competence
4.

In the use of photoplethysmography for venous testing purposes, a change in blood volume is detected by light
- A.
  
  Transmission
- B.
  
  Reflection
- C.
  
  Frequency
- D.
  
  Refraction
5.

In the finding of primary varicose veins, which veins have incompetent valves
- A.
  
  Superficial veins
- B.
  
  Deep veins
- C.
  
  Perforating veins
6.

Valves in veins are present in all of the following locations EXCEPT the
- A.
  
  Perforating veins
- B.
  
  Deep veins of the calf
- C.
  
  Lesser saphenous vein
- D.
  
  Inferior vena cava
7.

Compressibility of veins is very important in the diagnosis of DVT. Which of the following veins are always difficult or impossible to compress?
- A.
  
  Superficial femoral veins
- B.
  
  Iliac veins
- C.
  
  Common femoral veins
- D.
  
  Popliteal veins
8.

In identification of the deep veins of the lower extremity, which is most helpful?
- A.
  
  The adjacent artery
- B.
  
  The size of the vessel
- C.
  
  The lenght of the vessel
- D.
  
  The diameter of the vessel
9.

Which of the following vessels is NOT a deep vein of the lower extremity?
- A.
  
  Superficial femoral vein
- B.
  
  Anterior tibial vein
- C.
  
  Lesser saphenous vein
- D.
  
  Popliteal vein
10.

Lower extremity venous flow is aided in its return to the heart by all of the following mechanisms EXCEPT
- A.
  
  Venous valves
- B.
  
  Inspiration
- C.
  
  Calf muscle contraction
- D.
  
  Expiration
11.

Acute DVT is MOST related to which of the following findings?
- A.
  
  Presence of collaterals
- B.
  
  Highly echogenic thrombus in lumen
- C.
  
  Presence of "floating" thrombus known as "tail of the dog"
- D.
  
  A constricted vein
12.

Which of the following criteria will aid in the diagnosis of DVT
- A.
  
  Vein enlargement
- B.
  
  Visualization of echogenic thrombus in the lumen
- C.
  
  Absence of color or spectral waveforms
- D.
  
  All of the above
13.

The calf vein are sometimes difficult to image using Duplex sonography. Which of the following methods might be used to better visualizethese veins?
- A.
  
  Proximal augmentation of the limb
- B.
  
  Using the "heel toe" maneuver
- C.
  
  Changing the transducer to a lower frequency
- D.
  
  Asking the patient to dangle the legs over the side of the bed
14.

Virchow's Triad relates to which of the following factors?
- A.
  
  Smoking, atherosclerosis, and high blood pressure
- B.
  
  Blood stasis, anxiety, and hypocoaguability of blood
- C.
  
  Blood stasis, hypercoaguability of blood, and injury to vein walls
- D.
  
  All of the aboe
15.

In order to assess for vein wall compressibility, the preferred method is
- A.
  
  Gentle probe pressure in SAG
- B.
  
  Rocking probe pressure in TRV
- C.
  
  Repetitive bouncing pressure in SAG
- D.
  
  Gentle firm probe pressure in TRV
16.

The most serious consequence of thrombus in the deep veins of the lower extremity is
- A.
  
  Pulmonary embolus
- B.
  
  Compression of the pelvic veins
- C.
  
  Lymphedema
- D.
  
  Venous hypertension
17.

In venous duplex scanning, which of the following characteristics are of diagnostic value in scanning for deep vein thrombosis?
- A.
  
  Echoes within the vessel lumen
- B.
  
  Coaptation of vessel walls
- C.
  
  Augmentation of flow with distal compression
- D.
  
  All of the above
18.

If augmentation is performed in a DVT study distal to the transducer, this proves that complete obstruction by thrombus is not present
- A.
  
  Between the location of the transducer and the point of augmentation
- B.
  
  Between the location of the transducer and the heart
- C.
  
  At any point along the path of the vein being imaged
- D.
  
  In any of the deep veins of the lower extremity
19.

The greater saphenous veins ascends along the _____ aspect of the entire lower limb, and empties into the ____ ____ just distal to the inguinal ligament
- A.
  
  Lateral, internal iliac vein
- B.
  
  Medial, profund vein
- C.
  
  Medial, common femoral vein
- D.
  
  Lateral, superficial femoral vein
20.

All of the following risk factors are associated with deep vein thrombosis EXCEPT for
- A.
  
  Malignancy
- B.
  
  Pregnancy
- C.
  
  Recent major surgery
- D.
  
  Diabetes
- E.
  
  Trauma to the vein
21.

Which of the following statements is FALSE in relation to chronic DVT?
- A.
  
  Thrombosis is usually hyperechoic
- B.
  
  Collateral veins may be in evidence
- C.
  
  The vein's diameter may decrease in size
- D.
  
  Augmentation guarantees that no thrombus at all is present
22.

Primary varicose veins are related to
- A.
  
  Repeated episodes of DVT
- B.
  
  Trauma
- C.
  
  Heredity
- D.
  
  Hypertension
23.

If the greater saphenous veins is found to be completely filled with clot to the level of the sapheno-femoral junction, the most probable course of treatment will be
- A.
  
  Removal of the saphenous vein
- B.
  
  A heparin dip
- C.
  
  Coumadin therapy
- D.
  
  Conservative treatment with US follow up
24.

Which of the following is (are) physical signs and symptoms relating to DVT?
- A.
  
  Edema
- B.
  
  Brawny skin discoloration
- C.
  
  Leg pain
- D.
  
  Ulcerations on the toes
- E.
  
  All of the above
- F.
  
  Edema, brawny skin discoloration, leg pain
25.

This vein is formed by the confluence of the peroneal veins and the tibial veins and becomes the SFV at the level of the adductor canal
- A.
  
  Soleal vein
- B.
  
  Popliteal vein
- C.
  
  Lesser saphenous vein
- D.
  
  Gastrocnemius vein