Elimination

Question 1

Anatomy of the Colon (large intestine)

Answer 1

Cecum
ascending colon
transverse colon
descending colon
sigmoid colon 
anus

Question 2

Physiology of the Colon (large intestine)

Answer 2

absorption (large amount of H2O)
secretion
elimination (waste and gas) via peristalsis

Question 3

Rectum

Answer 3

• Final part of large intestine

- Remains empty until deification

Question 4

Anus

Answer 4

Sensation from internal and external sphincters allow person to expel waste and gas.

Question 5

Peristalsis

Answer 5

Involuntary contraction that propels food through the length of the GI tract.

Question 6

Sphincter

Answer 6

A ring of muscles that voluntarily allow passage/blockage of food/waste.

Question 7

Gastrocolic reflex

Answer 7

Neurological response to eating which triggers peristalsis and normal digestion

Question 8

Bladder

Answer 8

Urine drains from kidney’s via ureters to bladder; bladder stores urine until urge to expel urine.

Question 9

Urethra

Answer 9

Urine travels from bladder out urethra through the urethral meatus.

Question 10

Internal sphincter

Answer 10

Made up of skeletal muscles called pelvic floor muscles. PFM support bladder and help control continence.

Question 11

External sphincter

Answer 11

Made of striated muscles helps control voluntary release of urine.