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Anatomy

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

a. Marfan syndrome

b. Langer lines of skin tension

c. Poorly developed Camper fascia

d. Inferior epigastric artery injury

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?

a. Deeper, more membranous

b. Deeper, predominantly fatty

c. Superficial, more membranous

d. Superficial, predominantly fatty

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

a. External and internal obliques

b. Rectus abdominis and external oblique

c. Transversus abdominis and pyramidalis

d. External and internal obliques and transversus abdominis

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

a. Flank muscle fibers are oriented primarily transversely.

b. Rectus sheath fibers are oriented primarily transversely.

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

d. All of the above

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?

a. Camper

b. Arcuate

c. Superficial

d. Transversalis

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?

Used with permission from Dr. Jayanthi Lea.

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