A 71-Year-Old Man Comes to the Emergency Department Due to Several

question 108

Multiple Choice

A 71-year-old man comes to the emergency department due to several episodes of bright red blood per rectum.  His recent colonoscopy revealed numerous colonic diverticula.  Laboratory studies on admission are notable for a hemoglobin of 8.2 g/dL with an unremarkable coagulation profile.  An abdominal angiogram shows active bleeding from the sigmoid colon.  Catheter embolization is planned via the femoral artery.  During the procedure, the arterial catheter is most likely to proceed in which of the following orders?

• A)External iliac, common iliac, abdominal aorta, celiac
• B)External iliac, common iliac, abdominal aorta, inferior mesenteric
• C)External iliac, common iliac, abdominal aorta, superior mesenteric
• D)External iliac, internal iliac, internal pudendal
• E)External iliac, internal iliac, middle rectal

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Definitions:

Blotting Buffer

A solution used in molecular biology techniques to transfer proteins, DNA, or RNA onto a carrier so they can be detected or analyzed.

UV Light

Ultraviolet light, a type of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, affecting living tissues.

Radiographically Labeled

Marked or tagged with a radiographic marker for visualization under X-rays or similar imaging techniques.

Blotting Buffer

A solution used in molecular biology techniques to transfer proteins, DNA, or RNA onto a membrane for detection and analysis.