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198. Which of these patients would LEAST likely be considered at high risk for deep venous thrombosis?
C. A 75-year-old woman admitted for transient ischemic attack
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199. The primary concern in patients with acute deep v enous thrombosis is:
B. Pulmonary embolism may occur.
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200. Some causes of deep venous thrombosis may be:A. Trauma
- B. Hypercoagulability
- C. Extrinsic compression upon deep veins
- D. Lymphangiitis
- E. all except D
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201. The greatest pressure of venous hypertension in secondary varicose veins occurs:
B. During muscle contraction
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202. Select the factor least likely to contribute to deep venous thrombosis:
A. Diabetes
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203. Virchow’s triad includes:
E. Stasis, hypercoagulability, and intimal injury
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204. Which is NOT a risk factor for DVT?
D. Smoking
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205. What percentage of pulmonary emboli originate from lower extremity deep venous thrombosis?
A. >90%
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206. The vascular technologist knows that chronic venous insufficiency and ulceration are:
A. Chronic but controllable
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207. Lymphedema may be caused by all EXCEPT:
A. Obesity
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208. A varicose vein is most often:
E. A dilatation of the greater saphenous vein or superficial tributary
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209. Varices resulting from deep-venous valvular insufficiency and incompetent perforators are called:
B. Secondary varices
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210. A Baker's cyst is a collection of:
A. Synovial fluid from the knee joint
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211. A thrombus is found in a gastrocnemius muscular vein approximately a third of the way down the calf from the knee. If this were to propagate proximally, it would next involve:
D. The popliteal vein
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212. A thrombus is found in a soleal vein, a bit proximal to mid calf. If this were to propagate, it would next involve:
A. The posterior tibial veins
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213- Approximately what percentage of untreated calf-vein thrombosis is thought to propagate to a proximal level (i.e., popliteal or above)?
B. 15-20%
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214. One complication of deep venous recanalization is:
A. Damage to venous valves, allowing reflux
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