Colon Motility

Question 1

Functions of Large intestine

Answer 1

• Reabsorb water and compact material into feces
• Absorb vitamins absorbed by bacteria
• Stores fecal matter prior to defecation

Question 2

Which part of the colon processes chyme delivered from terminal ileum ?

Answer 2

Ascending colon

Question 3

Specialized in storage of dehydration of feces

Answer 3

Transverse colon

Question 4

Primary site of removal of water and electrolytes

Answer 4

Transverse colon

Question 5

Conduit between transverse & sigmoid colon

Answer 5

Descending colon

Question 6

The neural program for power propulsion involved in

Answer 6

Deification reflex

Question 7

Reservoir - capacity of 500 ml

Answer 7

Sigmoid & rectum

Question 8

Made up of a functional unit that maintain continence

Answer 8

Pubo recitals muscle & external anal sphincter

Question 9

Pass around it to form u-shaped sling

Answer 9

Puborectalis join behind anorectum (physiological wave)

Question 10

Innervated by somatosensory nerves which transmits signals to CNS. Has pain, temp &touch receptors

Answer 10

Anal canal

Question 11

Which constrictions Blocks passage of feces and maintain continence ?

Answer 11

Internal anal sphincter and puborectalis muscle

Question 12

Concerned with absorption & distal half with storage

Answer 12

Proximal half of the colon

Question 13

Mixing movement

Answer 13

Haustration

Question 14

Propulsive movement (ring-like contractions)

Answer 14

Mass movement

Question 15

Ring-like contractions (about 2.5 cm) of the circular muscle divide the colon into pockets called

Answer 15

Haustra