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WorksheetsModule 1 Quiz - Colon, Rectum, Anus
Total questions: 10
Worksheet time: 8mins
Which part of the colon connects to the cecum?
Ascending colon
Transverse colon
Descending colon
Sigmoid colon
Which structure extends from the inferior end of the sigmoid colon along the anterior surface of the sacrum and coccyx in the posterior of the pelvic cavity?
Anus
Rectum
Cecum
Anal Sphincter
When does the desire for defecation occur?
Feces enters the rectum due to mass movement
When rectal pressure increases to about 18mmHg
Both are true
None of the choices
The following is true about the anal sphincters except
The internal sphincter is responsible for squeezing pressure
The involuntary contraction of the external sphincter is sufficient to override the reflex relaxation of the internal anal sphincter
Anal sphincters act individually in response to rectal distension
None are true
What causes the colicky pain experienced by patients with obstruction?
The obstruction compressing on arteries causing ischemia then pain
Increased intestinal activity
Gas and fluid accumulation proximal to the site of obstruction
Bowel distension and increase in intraluminal and intramural pressure
Which of the following is not a risk factor for rectal cancer?
Sedentary lifestyle
Alcohol intake
Diet of high fiber
Age over 50 years old
What is considered the most common form of spread of Rectal cancer?
Hematogenous
Seeding
Transcoelomic
Regional Lymph Node Involvement
Which of the following is the best way to determine if a colorectal mass is benign or malignant?
Frozen section biopsy
Tumor Marker level in serum
Fine needle aspiration biopsy
Core biopsy
What is the results of flexible sigmoidoscopy of a patient with colonic obstruction secondary to colorectal cancer?
No result because the test is contraindicated
A luminal narrowing or a circumferential mass
Luminal dilatation
A mass on either side covering half the lumen
Which type of imaging can differentiate benign polyps from invasive tumors?
CT scan
X-ray
Colonoscopy
Endorectal ultrasound
