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Author Question: Where do most pulmonary emboli originate? a. Deep veins of the arms b. Deep veins of the legs ... (Read 66 times)

leo leo

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on: Jul 16, 2018
Where do most pulmonary emboli originate?
 
  a. Deep veins of the arms
  b. Deep veins of the legs
  c. Thrombi from the right side of the heart
  d. Veins of the thorax

Question 2

Where in the lung is pulmonary embolism most frequently observed?
 
  a. Right lower lobe
  b. Lingula
  c. Left lower lobe
  d. Right middle lobe


rosiehomeworddo

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
Pulmonary emboli arise from detached portions of venous thrombi that form, in most cases, in deep veins of the lower extremities or pelvis (86).

Answer to Question 2

ANS: A
Pulmonary embolism is more frequently observed in the lower lobes and more commonly in the right rather than in the left lung, a phenomenon related to the pulmonary flow distribution that tends to favor the right side and the lower lobes.


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