Comprehensive ABSITE Review Questions 2015 - Colon: Colorectal Surgery Exam Questions and Answers
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Comprehensive ABSITE
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Comprehensive ABSITE
Comprehensive ABSITE Review Questions 2015 - Colon: Colorectal Surgery Exam Questions and Answers
Colonic bacteria is important to produce what vitamin? - answersVitamin K
Describe the blood supply to the rectum. - answers- Superior rectal artery comes off the IMA
- Middle rectal artery comes...
Comprehensive ABSITE Review Questions
2015 - Colon: Colorectal Surgery Exam
Questions and Answers
Colonic bacteria is important to produce what vitamin? - answers✓✓Vitamin K
Describe the blood supply to the rectum. - answers✓✓- Superior rectal artery comes off the IMA
- Middle rectal artery comes off of the internal iliac artery
- Inferior rectal artery comes off the internal pudendal (which comes off the internal iliac artery)
Describe the blood supply to the terminal ileum and proximal ascending colon. - answers✓✓-
Supplied by the ileocolic artery (absent in 20% of people)
- Ileocolic artery branches off the superior mesenteric artery
Describe the blood supply to the transverse colon. - answers✓✓- Middle colic artery
- Middle colic artery branches off the superior mesenteric artery
Describe the blood supply to the descending colon. - answers✓✓- Supplied by the left colic
artery
- Left colic artery is a branch off the inferior mesenteric artery
Describe the blood supply to the sigmoid colon. - answers✓✓- Supplied by several sigmoidal
arteries, which branches off the inferior mesenteric artery
Describe the blood supply to the proximal rectum. - answers✓✓- Supplied by the superior rectal
artery, which branches off the inferior mesenteric artery
Which of the following is a branch of the inferior mesenteric artery?
d. right colic artery - answers✓✓c. sigmoidal arteries
What does the ileocolic artery supply?
From where does it arise?
Where does it travel?
What other arteries are supplied by it? - answers✓✓- supplies the terminal ileum and proximal
ascending colon
- arises from the superior mesenteric artery
- runs into the ileum and proximal ascending colon
- anastomoses with the right colic artery
What does the right colic artery supply?
From where does it arise?
Where does it travel?
What other arteries are supplied by it? - answers✓✓- supplies the ascending colon
- arises from the superior mesenteric artery
- runs into the ascending colon
- anastomoses with the ileocolic artery and middle colic artery
What does the middle colic artery supply?
From where does it arise?
Where does it travel?
What other arteries are supplied by it? - answers✓✓- supplies the transverse colon
- arises from the superior mesenteric artery
- runs into the transverse colon
What does the left colic artery supply?
From where does it arise?
Where does it travel?
What other arteries are supplied by it? - answers✓✓- supplies the descending colon
- arises from the inferior mesenteric artery
- runs into the descending colon
- anastomoses with the middle colic artery and sigmoidal arteries
What does the sigmoidal artery supply?
From where does it arise?
Where does it travel?
What other arteries are supplied by it? - answers✓✓- supplies the sigmoid colon
- arises from the inferior mesenteric artery
- runs into the sigmoid colon
- anastomoses with the left colic artery
What does the superior rectal artery supply?
From where does it arise?
Where does it travel?
What other arteries are supplied by it? - answers✓✓- supplies the proximal rectum
- arises from the inferior mesenteric artery
- runs into the top of the rectum
What is the name of the communication between the terminal branches of each artery? -
answers✓✓- The Marginal artery of Drummond
- This arcade is complete in only 15-20% of people
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