Question 1

Motility of small intestine is inhibited by the following except:

Accepted Answer

A) Intestino-intestinal reflex 
B) Vesico-intestinal reflex. 
C) Peritoneal irritation 
D) Distention of stomach. D

Question 2

Large intestinal secretion is stimulated by:

Accepted Answer

A) Direct stimulation. 
B) Local myentric reflex. 
C) Para sympathetic stimulation. 
D) All of the above. D

Question 3

Rectal mucosa is sensitive to:

Accepted Answer

A) Pain 
B) Touch 
C) Temperature 
D) Stretch D

Question 4

The following are true about defecation except:

Accepted Answer

A) It is initiated by distention of rectum with feces. 
B) It is facilitated by micturition reflex. 
C) It is under voluntary control in infant. 
D) It is inhibited by pain.

Question 5

Mass movement in the colon after meal is due to the following except:

Accepted Answer

A) Gastrocolic reflex 
B) Duodenocolic reflex 
C) Gastrin hormone. 
D) Secretine hormone.

Question 6

Mass movement in the colon would be abolished by:

Accepted Answer

A) Vagotomy. 
B) Sympathectomy. 
C) Destruction of the intrinsic nerve plexus. 
D) none

Question 7

Fecal continence requires:

Accepted Answer

A) Intact innervations of anorectal region 
B) Sensation of rectum and anal mucosa. 
C) Tone of the internal and external anal sphincter 
D) All of the above

Question 8

The external anal sphincter is supplied by:

Accepted Answer

A) Pelvic nerve. 
B) Pudendal nerve. 
C) Vagus nerve 
D) none

Question 9

Emptying at ileocecal region is promoted by:

Accepted Answer

A) Distenion of cecum 
B) Distention of colon. 
C) Distention of stomach. 
D) Sympathetic reflex.

Question 10

Small intestine motility is stimulated by the following except:

Accepted Answer

A) Gastrin 
B) CCK 
C) Secretin 
D) Motilin.

Question 11

Removal of the entire colon would be expected to cause:

Accepted Answer

A) Megaloblstic anemia. 
B) Severe malnutrition. 
C) Decrease urinary urobilinogen. 
D) Death.

Question 12

Colonic motility is stimulated by the following except:

Accepted Answer

A) Gastro-colic reflex. 
B) Colono-colic reflex. 
C) Duodeno-colic reflex. 
D) none

Question 13

Resting anal pressure is mainly due to :

Accepted Answer

A) Tone of external anal sphincter 
B) Tone of the internal sphincter. 
C) Tone of the puborectalis muscle. 
D) none

Question 14

Anal mucosa is sensitive to all of the following except:

Accepted Answer

A) Pain 
B) Stretch. 
C) Touch 
D) Temperature

Question 15

Emptying at ileocecal region is inhibited by:

Accepted Answer

A) Gastroileal reflex. 
B) Gastrin 
C) Colonoileal reflex. 
D) Distention of terminal ilium.

Question 16

Small intestine motility is inhibited by the following except:

Accepted Answer

A) Somatostatin. 
B) VIP. 
C) Adrenaline 
D) Insulin.

Question 17

The parasympathetic supply of the distal colon is:

Accepted Answer

A) Pelvic nerve. 
B) Vagus nerve 
C) The lesser splanchnic nerve. 
D) The pudendal nerve.

Question 18

Large intestine secretion is stimulated by:

Accepted Answer

A) Direct stimulation. 
B) Local .myentric reflex. 
C) Parasympathetic stimulation. 
D) All the above.

Exam 8: Digestive System Motility and Secretion