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Kaplan Qbank USMLE



Author14 Posts
  #1

A 4-cm bronchogenic cyst is an incidental finding at autopsy of a 55-year-old man. The cyst most likely arose from which of the following embryologic structures?<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

A) Allantois

B) Foregut

C) Mesonephric (wolffian) duct

D) Metanephric duct

E) Omphalomesenteric duct


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Focus on the one step you can take right now. Let go all regrets and resentment about what has already happened.

  #2

B????


  #3

B,, development of respi system from foregut at 4-6 weeks


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Live as u were to die tommorow. Learn as if u were to live forever.

  #4

Yes, It's B

  #5

B


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hang on in there......u will survive....

  #6

at 4 wks...from the gut tube arises an outpouching anteriorly which ....grows downwards n branches...uppper part forms the lining of larynx n trachea ...the branches form the bronchial buds which go on to develop the resp lining

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hang on in there......u will survive....

  #7

yes agree with u all guys, its b

  #8

Pathophysiology: Bronchogenic cysts develop from an abnormal budding of the ventral foregut between the 26th and 40th week of gestation. As such, they are often more appropriately termed foregut duplication cysts.



CT showing cyst in left paratracheal area, anteromedial to great vessels, with slight deformity of airway.

Two chest roentgenograms (A) and a computed tomogram of the chest (B) of a patient with a bronchogenic cyst (arrow).



___________________
Focus on the one step you can take right now. Let go all regrets and resentment about what has already happened.

  #9

wow believe i wish u can show us all those notes u have i bet u are a 99er

  #10

oh yeah

  #11

thanks a lot believe...god bless ya

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If you yourself are at peace, then there is at least some peace in the world.

  #12

Thank a lot believe

  #13

forgut structure smiling face

  #14

believe=rock star







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