GI tract

Question 1

What is the largest endocrine organ in the body?

Answer 1

GI tract

Question 2

Where does most digestion occur within the GI tract?

A) Small intestine
B) Duodenum
C) Ascending colon
D) Descending colon

Answer 2

B

Question 3

Between what two landmarks will you find the gastro-esophageal junction?

Answer 3

LLL and Ao

Question 4

What are the normal measurements for the stomach wall when distended and when not distended?

Answer 4

Non-distended = 4-6mm

Distended = 2-4mm

Question 5

If the stomach wall is >1cm, what should we be concerned about?

Answer 5

Malignancy

Question 6

What is the requirement for prep to image the stomach?

Answer 6

5-800 mL of water 10-15 minutes prior to exam

Question 7

Patient positioning for imaging the stomach?

Answer 7

LLD for fundus
RLD fro antrum and pylorus

Question 8

What kind of gastritis is a precursor to gastric CA?

A) Acute
B) Chronic
C) Atrophic
D) Phlegmonous gastritis

Question 9

What is the most common benign tumor of the stomach?

Answer 9

Leiomyoma

Question 10

What gastric malignancy is associated with H pylori?

A) Leiomyoma
B) Leiomyosarcoma
C) Adenoma
D) Lymphoma

Answer 10

D

Question 11

The bowel should be less than what measurement?

Answer 11

<3cm

Question 12

What pathology is known as “diminished motility of bowel leading to failure to propel its contents”?

Answer 12

Ileus

Question 13

What pathology demonstrates a “sandwhich sign” in long axis?

A) Small bowel obstruction
B) Intussusception
C) Ileus
D) Chron’s disease

Answer 13

B

Question 14

What pathology demonstrates either absent or increased peristalsis and valvulae conniventes?

A) Small bowel obstruction
B) Intussusception
C) Ileus
D) Chron’s disease

Answer 14

A

Question 15

What is the longest section of the small bowel?

Answer 15

Ileum

Question 16

Chron’s disease most commonly affects what portion of the bowel?

A) Duodenum
B) Jejunum
C) Ileum
D) Large intestine

Answer 16

C

Question 17

Chron’s disease is AKA?

Answer 17

Granulomatous enteritis - hypervascular, thickened bowel wall with target sign

Question 18

What pathology may cause rectal bleeding?

A) Chron’s
B) Intussuseption
C) Small bowel obstruction
D) Meckel diverticulitis

Answer 18

D

Question 19

What part of the intestinal wall do leiomyomas form?

Answer 19

Muscularis PROPRIA

Question 20

The appendix is attached to what structure?

Answer 20

The cecum

Question 21

Whats the normal measurement of the appendix and its wall?

Answer 21

Appendix = <6mm
Wall = <2mm

Question 22

What is the most common surgical emergency of the abdomen?

Answer 22

Appendicitis

Question 23

The appendix is seen between what two structures?

Answer 23

Cecum and terminal ileum

Question 24

When assessing for appendicitis, what other findings may accompany it? (2)

Answer 24

Inflamed fat and free fluid

Question 25

What organ is involved with a mucocele? A) Small bowel B) Large bowel C) Appendix D) Cecum

Answer 25

C

Question 26

What condition is caused by rupture of mucinous adenocarcinoma of the appendix?

Answer 26

Pseudomyxoma Peritonei

Question 27

What is known as "abnormal nodes in the small bowel and are rounder and >4mm AP" ? A) Meckel diverticulitis B) Mesenteric Adenitis C) Pseudomyxoma peritonei D) Carcinoid tumor

Answer 27

B

Question 28

Normal measurements of the colon distended vs un-distended?

Answer 28

Undistended = 4-9mm Distended = 2-4mm

Question 29

You are imaging a 25 year old female with history of chronic diarrhea, weight loss, abdominal pain, and fever. You detect a concentrically thickened small bowel that is hyperemic. What is the most likely diagnosis? A) Adenocarcinoma B) Chron's disease C) Acute appendicitis D) Acute diverticulitis

Answer 29

B

Question 30

What is the innermost lining of the gut? A) Mucosa B) Submucosa C) Serosa D) Muscularis propria

Answer 30

A

Question 31

What is the most common retroperitoneal organ to be affected by lung cancer? A) Kidney B) Pancreas C) Adrenal gland D) Duodenum

Answer 31

C

Question 32

What part of the GI tract contains haustra? A) Stomach B) Duodenum C) Small intestine D) Colon E) All of the above

Answer 32

D

Question 33

What retroperitoneal compartment contains the Aorta? A) Anterior pararenal B) Perirenal C) Posterior pararenal D) Retrofascial

Answer 33

Anterior pararenal

Question 34

What is the most common malignancy of the GI tract? A) Lymphoma B) Leiomyosarcoma C) Lymphadenoma D) Adenocarcinoma

Answer 34

D

Question 35

What part of the GI tract is most commonly affected by Chron's disease? A) Terminal ileum and prox colon B) Duodenum C) Rectosigmoid colon D) Colon and antrum of stomach

Answer 35

A

Question 36

You detect dilated bowel with multiple concentric rings while the patient has severe abdominal pain. What finding is this most consistent with? A) Chron's disease B) Ulcerative colitis C) Intussusception D) Acute diverticulitis

Answer 36

C

Question 37

With good imaging of the gut, how many layers do you expect to see? A) Two B) Three C) Four D) Five

Answer 37

D