Digestive System 3

Question 1

LUQ

Answer 1

jejnum - 2 or 2.5 m

Question 2

Small intestine

Answer 2

First part of small intestine is the duodenum

Question 3

RLQ

Answer 3

Ileum 3 - 3.5 m

Question 4

Functions of small intestine

Answer 4

mixes and propel chymes, digestion, absorption. 90% of absorption happens in small intestine

Question 5

Surface area of SI

Answer 5

circular folds, intestinal villi, microvilli

Question 6

Small intestine histology

Answer 6

1-2 L juice a day
Duodenum, retroperitoneal, iloum, jejunum by retroperitoneal

Question 7

Circular folds

Answer 7

Mucosa and submucosa

Question 8

Intestine villi

Answer 8

like finger sticking out
Collagen cells to the base

Question 9

Blood capillaries

Answer 9

Lymphatic capillaries are found in mucosa. important because of lipids

Question 10

Absorptive cells

Answer 10

Extension of the cell membrane, microvillous border secret enzymes lysozymes

Question 11

Hormones in Small intestine

Answer 11

hormones - enteroendocrine cells

Question 12

Lysozyme phagocytosis

Answer 12

Paneth cells

Question 13

Large intestine

Answer 13

Cecum, colon, rectum

Question 14

Ileal orifice

Answer 14

between large and small intestine
- Ileocolic and ileaceceal lips - ileal papilla smooth muscle

Question 15

Vermiform appendix

Answer 15

worm like 5 to 10 cm long, covered in mesoappendix serious membrane around ileum
-Lymphoid nodules function of immunity

Question 16

Ascending colon

Answer 16

on the right side of the boyd descending colon is on the left side.
Attaching them together is the transverse colon

Question 17

Descending colon

Answer 17

goes down to iliac crest down to rectum (15 cm) then to anal canal and rectum

Question 18

The fold in large intestine

Answer 18

Sigmoid colon, retropereoneal goes down to S3 vertebrae

Question 19

Pouches

Answer 19

Haustra (sleeve)

Question 20

Teniae coli

Answer 20

3 bands of longitudinal smooth muscle located around the wall

Question 21

Function of large intestine

Answer 21

Movement of chyme to rectum, digestion, absorption, form feces, defecation,

Question 22

omental appendix

Answer 22

extend teniae coli down to large intestine

Question 23

Flatus

Answer 23

Farts

Question 24

Large intestine histology

Answer 24

No enzymes - absorb water and mucus

Question 25

Intestinal gland

Answer 25

absorptive cell mucus

Question 26

Longitudinal layer

Answer 26

layer of muscle continuous sheet

Question 27

Anal Canal

Answer 27

Rectum, anal canal, anus

Question 28

Anus

Answer 28

is the opening

Question 29

Anal canal

Answer 29

lined by longitudinal mucus folds

Question 30

Mucosa and submucosa

Answer 30

Has alot of vascularity

Question 31

Hemorrhoids

Answer 31

swollen decimals full of blood - internal or external (diet, hydration)

Question 32

Internal anal sphincter

Answer 32

smooth muscle (involuntary)

Question 33

External anal sphincter

Answer 33

skeletal muscle (voluntary)

Question 34

Order of Anus

Answer 34

Mass peristasis - distention of rectum - defecation smooth muscle and skeletal muscle contraction - Relax internal sphincter - Relax external sphincter - Defecation