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NRSG L1 1010 > Elimination > Flashcards

Flashcards in Elimination Deck (11)
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1

Anatomy of the Colon (large intestine)

Cecum
ascending colon
transverse colon
descending colon
sigmoid colon
anus

2

Physiology of the Colon (large intestine)

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

3

Rectum

-Final part of large intestine
-Remains empty until deification

4

Anus

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

5

Peristalsis

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

6

Sphincter

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

7

Gastrocolic reflex

Neurological response to eating which triggers peristalsis and normal digestion

8

Bladder

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

9

Urethra

Urine travels from bladder out urethra through the urethral meatus.

10

Internal sphincter

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

11

External sphincter

Made of striated muscles helps control voluntary release of urine.