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
199. The primary concern in patients with acute deep v enous thrombosis is:
B. Pulmonary embolism may occur.
200. Some causes of deep venous thrombosis may be:A. Trauma
C. Extrinsic compression upon deep veins
E. all except D
201. The greatest pressure of venous hypertension in secondary varicose veins occurs:
B. During muscle contraction
202. Select the factor least likely to contribute to deep venous thrombosis:
203. Virchow’s triad includes:
E. Stasis, hypercoagulability, and intimal injury
204. Which is NOT a risk factor for DVT?
205. What percentage of pulmonary emboli originate from lower extremity deep venous thrombosis?
206. The vascular technologist knows that chronic venous insufficiency and ulceration are:
A. Chronic but controllable
207. Lymphedema may be caused by all EXCEPT:
208. A varicose vein is most often:
E. A dilatation of the greater saphenous vein or superficial tributary
209. Varices resulting from deep-venous valvular insufficiency and incompetent perforators are called:
B. Secondary varices
210. A Baker's cyst is a collection of:
A. Synovial fluid from the knee joint
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
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
213- Approximately what percentage of untreated calf-vein thrombosis is thought to propagate to a proximal level (i.e., popliteal or above)?
214. One complication of deep venous recanalization is:
A. Damage to venous valves, allowing reflux