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Anatomy

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Wide scars that often develop following vertical midline incisions most likely result from which of the following?

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a. Marfan syndrome

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b. Langer lines of skin tension

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c. Poorly developed Camper fascia

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d. Inferior epigastric artery injury

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Camper and Scarpa fasciae of the anterior abdominal wall are not discrete layers but represent a continuum of the subcutaneous tissue layer. Which of the following best describes Camper fascia?

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a. Deeper, more membranous

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b. Deeper, predominantly fatty

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c. Superficial, more membranous

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d. Superficial, predominantly fatty

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The rectus sheath represents the conjoined aponeuroses of which of the following muscles?

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a. External and internal obliques

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b. Rectus abdominis and external oblique

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c. Transversus abdominis and pyramidalis

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d. External and internal obliques and transversus abdominis

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Vertical fascial incisions are prone to dehiscence and hernia formation. This is because of which of the following?

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a. Flank muscle fibers are oriented primarily transversely.

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b. Rectus sheath fibers are oriented primarily transversely.

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c. Vertical fascial suture lines must withstand more tension than those in a transverse incision.

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d. All of the above

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The fascia best recognized as the layer dissected off the anterior surface of the bladder during entry into the abdominal cavity is which of the following?

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a. Camper

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b. Arcuate

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c. Superficial

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d. Transversalis

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Prior to transversely dividing the rectus abdominis muscle during creation of a Maylard incision (shown here), which artery that lies lateral to each muscle belly is ideally ligated?

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Used with permission from Dr. Jayanthi Lea.

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