Development of Midgut Anomalies Quiz

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Questions and Answers

Which structure divides the cloaca into a dorsal part (rectum) and ventral part (urinary bladder and urogenital sinus)?

  • Cloacal membrane
  • Urogenital membrane
  • Proctodeum
  • Cloacal septum (correct)

What anomaly is associated with the persistence of the anal membrane as a diaphragm between the anal canal and rectum?

  • Imperforated anus (correct)
  • Rectourethral fistula
  • Anal stenosis
  • Rectal atresia

In cases of rectovaginal fistula in females, what abnormal connection is observed?

  • Rectum and vagina (correct)
  • Rectum and urinary bladder
  • Vagina and urinary bladder
  • Urethra and vagina

What anomaly is characterized by the absence of the proctodeum?

<p>Imperforated anus (A)</p> Signup and view all the answers

In cases of anal stenosis, what condition is observed in relation to the anal canal?

<p>Narrowing of the anal canal (B)</p> Signup and view all the answers

What is the defining feature of omphalocele?

<p>Abnormal connection between umbilicus and intestinal tract (A)</p> Signup and view all the answers

Anomalies related to abdominal wall involve abnormalities in the development of the ___.

<p>Midgut (B)</p> Signup and view all the answers

What is a characteristic symptom of vitelline fistula?

<p>Fecal discharge at the umbilicus (B)</p> Signup and view all the answers

What is the consequence of an anomaly like omphalocele at birth?

<p>Herniated loops cause large swelling in the umbilical cord (D)</p> Signup and view all the answers

What characterizes atresia of the gut?

<p>Complete failure of esophageal recanalization (A)</p> Signup and view all the answers

Which structure develops from hindgut according to the text?

<p>Prostate and bulbourethral gland in males (D)</p> Signup and view all the answers

What anomaly results from the failure of recanalization of the gall bladder, leading to a solid bladder?

<p>Atresia of the gall bladder (C)</p> Signup and view all the answers

In cases of atresia of the bile duct, what becomes distended proximal to the atresia?

<p>Gall bladder (B)</p> Signup and view all the answers

What condition leads to severe jaundice in newborns, often presenting as a 'yellow baby'?

<p>Atresia of the bile duct (C)</p> Signup and view all the answers

Which anomaly involves the failure to reopen the lumen of the bile duct?

<p>Atresia of the gall bladder (C)</p> Signup and view all the answers

What anomaly arises due to duplication of the gall bladder?

<p>Duplication of the bile duct (A)</p> Signup and view all the answers

In cases of atresia of gall bladder, what is a characteristic outcome?

<p>Herniation into the vitelline veins (A)</p> Signup and view all the answers

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