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AST Flash Cards Isaac > Colorectal Surgery > Flashcards

Colorectal Surgery Flashcards

1
Q

What percentage of food is absorbed in the small intestine?

A) 90%
B) 80%
C) 98%

A

A) 90%

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2
Q

The innermost tissue layer of the digestive tract, responsible for absorption is the:

A) Submucosa
B) Muscularis
C) Serosa
D) Mucosa

A

D) Mucosa

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3
Q

The outermost tissue layer of the digestive tract, which is responsible for preventing friction is the:

A) Serosa
B) Muscularis
C) Mucosa
D) Submucosa

A

A) Serosa

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4
Q

The tissue layer of the digestive tract is responsible gut movement is the:

A) Muscularis
B) Mucosa
C) Submucosa
D) Serosa

A

A) Muscularis

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5
Q

The tissue layer of the digestive tract that supports the mucosa is the:

A) Submucosa
B) Muscularis
C) Mucosa
D) Serosa

A

A) Submucosa

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6
Q

Which tissue layer of the large intestine have features which distinguish themselves from the same tissue layers in the small intestine?

A) Mucosa and Muscularis
B) Serosa and Mucosa
C) Serosa and Submucosa

A

A) Mucosa and Muscularis

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7
Q

Which disease affects only the innermost lining of the colon?

A) Crohn’s
B) Ulcerative Colitis

A

B) Ulcerative Colitis

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8
Q

In which disease is surgery recommended only in cases of complications, since surgery is not a cure and the disease can recur in other parts of the colon?

A) Crohn’s
B) Ulcerative Colitis

A

A) Crohn’s

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9
Q

You were smart, and you had a colonoscopy. Your gastroenterologist discovers a polyp. Does your gastroenterologist:

A) Remove it and analyze it only if it appears to be cancerous
B) Remove it and analyze it, no matter how it appears

A

B) Remove it and analyze it, no matter how it appears

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10
Q

What is the main treatment for colon cancer?

A) Radiation
B) Chemotherapy
C) Surgery

A

C) Surgery

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11
Q

When does a patient with colorectal cancer typically receive chemotherapy?

A) After surgery to prevent the spread of cancer
B) Before surgery to shrink the polyp or tumor
C) Both

A

A) After surgery to prevent the spread of cancer

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12
Q

37% of laparoscopic colectomies are performed in patients with:

A) Primary malignant neoplasm
B) Diverticular disease
C) Benign neoplasm

A

A) Primary malignant neoplasm

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13
Q

True or False. Minimally invasive colectomies show improvement over open surgery in recovery time, blood loss, cost of care, surgical site infections, bowel recovery time, and incision size.

A

True

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14
Q

_____________ is a surgical procedure to establish communication between two formerly distant portions of the intestine.

A

intestinal anastomosis

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15
Q

In a sigmoid resection, the descending colon is joined to the:

A) Anal canal
B) Rectum

A

B) Rectum

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16
Q

In a left hemicolectomy, the vascular pedicles are initially ligated, followed by colonic mobilization when using the _______ approach.

A) Lateral to medial
B) Medial to lateral

A

B) Medial to lateral

17
Q

Which procedure utilizes a side-to-side anastomosis?

A) Right hemicolectomy
B) Left hemicolectomy
C) Sigmoid colectomy

A

A) Right hemicolectomy

18
Q

Which procedures utilize an end-to-end anastomosis?

A) Sigmoid colectomy and right hemicolectomy
B) Sigmoid colectomy and left hemicolectomy
C) Left hemicolectomy and right hemicolectomy

A

B) Sigmoid colectomy and left hemicolectomy

19
Q

In a linear stapled technique for laparoscopic gastric bypass, after the retrocolic and mesocolic windows are created, the omentum and transverse colon are reflected cephalad and the ligament of Treitz is identified and run for distance of _______, at which point it is divided with an endoscopic linear stapler.

A) 45 cm
B) 40 cm
C) 35 cm
D) 65 cm

A

B) 40 cm

20
Q

In a linear stapled technique for laparoscopic gastric bypass, the Roux limb is typically run for a distance of __________, at which point a jejunojejunostomy is created between the Roux and the biliopancreatic limbs by first opening each limb with electrocautery shears, and then placing a laparoscopic linear stapler (60 mm) within and deploying.

A) 100-150 cm
B) 100 cm
C) 150-200 cm
D) 75 cm

A

A) 100-150 cm

21
Q

True or False. In a linear stapled technique for laparoscopic gastric bypass, the Roux limb is placed through the mesocolic window in a retrocolic antegastric fashion with care taken to avoid twisting or kinking of the mesentery in preparation for the gastrojejunostomy.

A

True

22
Q

In a linear stapled technique for laparoscopic gastric bypass, the Roux is oriented to the ___________ wall of the gastric pouch with interrupted absorbable sutures. An enterotomy and gastrotomy are performed on the Roux and the gastric pouch, respectively. The anastomosis is created by deploying and endoscopic linear stapler.

A) Posterior
B) Anterior
C) Medial
D) Lateral

A

A) Posterior

23
Q

True or False. The Roux limb may be brought cephalad in a retrocolic or antecolic fashion, and should reach the upper abdomen without tension.

A

True

24
Q

True or False. The Roux limb may be brought cephalad in a retrocolic or antecolic fashion, and should reach the upper abdomen without tension.

A

True

25
Q

In the transoral approach to laparoscopic gastric bypass, the DST Series EEA OrVil device in the size of a _______ EEA anvil is passed down the patient’s esophagus to the gastric pouch by the anesthesiologist or an assisting surgeon.

A) 28 mm
B) 29 mm
C) 25 mm
D) None of the above

A

C) 25 mm

26
Q

True or False. Leaks at the gastrojejunal anastomosis are perhaps the greatest technical complication when performing bypass surgery.

A

True

27
Q

In a sleeve gastrectomy, dissection starts at a vessel-free space close to the stomach along the _________.

A) lesser curvature
B) hilum of the spleen
C) greater curvature
D) None of the above

A

C) greater curvature

28
Q

True or False. Starting 6 cm from pylorus ring on the greater curvature, a linear cutting stapler divides the stomach aiming somewhat left of the angle of the stomach. Most antral part of the stomach is left in situ.

A

True

29
Q

It is recommended to use at least two __________ reloads for ________ tissue at the lower part of the stomach, since the stomach wall is thicker.

A) 60 mm, vascular to medium
B) 45 mm, medium to thick
C) 45 mm, vascular
D) 60 mm, thick to extra-thick

A

D) 60 mm, thick to extra-thick

30
Q

True or False. Buttress on the stapler may not decrease the risk of leakage and bleeding from the staple line.

A

False

AST Flash Cards Isaac (16 decks)

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