Question 1

Which of the following correctly lists the order in which chyme passes through the regions of the large intestine, starting from the ileocecal valve?

Accepted Answer

Cecum → Ascending colon → Transverse colon → Descending colon → Sigmoid colon → Rectum

Question 2

Which structure is responsible for storing feces prior to defecation?

Accepted Answer

Rectum

Question 3

What is the primary function of the large intestine as depicted in the image?

Accepted Answer

Absorption of water, electrolytes, and vitamins B and K

Question 4

Which part of the large intestine is directly connected to the small intestine?

Accepted Answer

Cecum

Question 5

A patient has a blockage at the left colic flexure. Which regions of the large intestine would be affected in terms of chyme movement?

Accepted Answer

Descending colon, sigmoid colon, and rectum

Question 6

Which of the following statements about the sigmoid colon is correct?

Accepted Answer

It originates at the sigmoid flexure and terminates in the rectum.

Question 7

If the descending colon is surgically removed, which of the following processes would be most directly impaired?

Accepted Answer

Absorption of water and electrolytes from fecal material

Question 8

Which anatomical feature marks the transition from the transverse colon to the descending colon?

Accepted Answer

Left colic flexure

Question 9

Which of the following best describes the function of the haustra in the large intestine?

Accepted Answer

They allow expansion and elongation of the colon during the passage of fecal material.

Question 10

A patient with a damaged internal anal sphincter would most likely experience which of the following symptoms?

Accepted Answer

Involuntary leakage of feces

Digestive and Endocrine Systems: Structure, Function, and Regulation

Study Guide - Practice Questions