W/L Ch 33 Digestive Quiz

Question 1

At what age should a person of average risk have his or her first screening colonoscopy?

a. 30
b. 40
c. 50
d. 60

Answer 1

c. 50

Question 2

A three-field technique using hinge angles of 120 degrees can be used in the treatment of which cancer?

a. Esophageal
b. Gastric
c. Rectal
d. Hepatic

Answer 2

a. Esophageal

Question 3

Familial adenomatous polyposis (FAP) and hereditary nonpolyposis colorectal syndrome (HNPCC) are most closely associated with which type of cancer?

a. Esophageal
b. Pancreatic
c. Colorectal
d. Anal

Answer 3

c. Colorectal

Question 4

Gastroesophageal reflux disease (GERD) is associated with cancer of which anatomic region?

a. Esophagus
b. Stomach
c. Liver
d. Colon

Answer 4

a. Esophagus

Question 5

What is the treatment of choice for most anal cancers?
I. Surgery
II. Chemotherapy
III. Radiation therapy

a. I only
b. III only
c. I and II
d. II and III
e. I, II, and III

Answer 5

d. II and III

Question 6

The Whipple is a surgical procedure associated with cancer of which organ?

a. Pancreas
b. Esophagus
c. Stomach
d. Colon

Answer 6

a. Pancreas

Question 7

The vermiform appendix is most closely associated with which portion of the digestive tract?

a. Ileum
b. Cecum
c. Duodenum
d. Rectum

Answer 7

b. Cecum

Question 8

What is the dose-limiting structure of most concern for radiation treatments of colorectal cancers?

a. Spinal cord
b. Bladder
c. Normal colon
d. Small bowel

Answer 8

d. Small bowel

The small bowel dose should be less than 45 Gy.

Question 9

What is the dose-limiting structure of most concern for radiation treatments of the esophagus?

a. Normal esophagus
b. Heart
c. Spinal cord
d. Trachea

Answer 9

c. Spinal cord

Question 10

What is the most common histologic type of cancers that occur in the lower third of the esophagus?

a. Adenocarcinoma
b. Transitional cell carcinoma
c. Squamous cell carcinoma
d. Renal cell carcinoma

Answer 10

a. Adenocarcinoma

Question 11

What substance is responsible for the brown color of feces?

a. Bilirubin
b. E. coli
c. Pepsin
d. Undigested food

Answer 11

a. Bilirubin

Question 12

Which of the following cancers is most common in the United States?

a. Esophagus
b. Stomach
c. Liver
d. Colorectal

Answer 12

d. Colorectal

Question 13

Which of the following cancers has the highest incidence of cancer-related deaths in the United States?

a. Esophagus
b. Stomach
c. Colorectal
d. Anal

Answer 13

c. Colorectal

Question 14

Which of the following is not a risk factor for anal cancer?

a. Diet
b. Human papillomavirus
c. Anal intercourse
d. Immunosuppression

Answer 14

a. Diet

Question 15

Which of the following cancer sites can be treated with endocavitary radiation therapy?

a. Esophagus
b. Stomach
c. Rectum
d. Liver

Answer 15

c. Rectum

Question 16

Which of the following methods may reduce the dose to the small bowel during radiation therapy?
I.   Supine positioning
II.  Prone positioning
III. Full bladder
IV. Empty bladder

a. I and III
b. I and IV
c. II and III
d. II and IV

Answer 16

c. II and III

Question 17

What are the growths that arise from the mucosal lining and protrude into the lumen of the bowel?

a. Adenomatous polyps
b. Achalasia
c. Hematochezia
d. Tenesmus

Answer 17

a. Adenomatous polyps

Question 18

What condition is most closely associated with gastroesophageal reflux?

a. Barrett esophagus
b. Gardner syndrome
c. Plummer-Vinson syndrome
d. Tenesmus

Answer 18

a. Barrett esophagus

Barrett esophagus is a condition in which the distal esophagus is lined with a columnar epithelium rather than a stratified squamous epithelium. This mucosal change usually occurs with gastroesophageal reflux.

Question 19

What condition is most closely associated with adenomatous polyposis?

a. Barrett esophagus
b. Gardner syndrome
c. Plummer-Vinson syndrome
d. Tenesmus

Answer 19

b. Gardner syndrome

Patients with Gardner syndrome have adenomatous polyposis of the large bowel and other abnormal growths, such as upper gastrointestinal polyps, periampullary tumors, lipomas, and fibromas.

Question 20

Radiation treatment fields for the distal esophagus typically include which of the following lymph nodes?

a. Supraclavicular
b. Celiac axis
c. Common iliac
d. Hypogastric

Answer 20

b. Celiac axis

Question 21

Which of the following is the region of the esophagus between thoracic vertebrae 5 and 8?

a. Upper thoracic
b. Middle thoracic
c. Lower thoracic
d. Gastroesophageal junction

Answer 21

b. Middle thoracic

Question 22

In which division of the esophagus does most esophageal tumors occur?

a. Upper third
b. Middle third
c. Lower third
d. Gastroesophageal junction

Answer 22

b. Middle third

Question 23

A dose-limiting organ of concern when planning treatment of the pancreas is the liver. The tolerance dose (TD 5/5) for the liver is ______ Gy.

a. 23
b. 35
c. 45
d. 55

Answer 23

b. 35

The TD 5/5 for the liver is 30 to 35 Gy.

Question 24

The width of the anterior field in the treatment of rectal cancer should the iliac lymph nodes. Therefore, the lateral borders of this field should __________________.

a. include the entire width of the iliac crests
b. extend about 2 cm beyond the pelvic brim
c. extend about 2 cm beyond the sacral foramen
d. split the width of the obturator foramen

Answer 24

b. extend about 2 cm beyond the pelvic brim